X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdsp.cpp;h=7a0553f292b6c432a8daaa80b56c51daf88e7ef5;hb=6f25f63a18153bc2adc49c5f9a3862c2760716df;hp=878d4443e148f91971fa6af125d6060b6d7722b2;hpb=f28b39e7d7d5fff9d7790da5bd6585e07b7f555e;p=virtualjaguar diff --git a/src/dsp.cpp b/src/dsp.cpp index 878d444..7a0553f 100644 --- a/src/dsp.cpp +++ b/src/dsp.cpp @@ -1,21 +1,49 @@ // // DSP core // -// by Cal2 +// Originally by David Raingeard // GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS) -// Extensive cleanups/rewrites by James L. Hammons +// Extensive cleanups/rewrites by James Hammons +// (C) 2010 Underground Software +// +// JLH = James Hammons +// +// Who When What +// --- ---------- ------------------------------------------------------------- +// JLH 01/16/2010 Created this log ;-) +// JLH 11/26/2011 Added fixes for LOAD/STORE alignment issues // -#include // Used only for SDL_GetTicks... #include "dsp.h" +#include // Used only for SDL_GetTicks... +#include +#include +#include "dac.h" +#include "gpu.h" +#include "jagdasm.h" +#include "jaguar.h" +#include "jerry.h" +#include "log.h" +#include "m68000/m68kinterface.h" +//#include "memory.h" + + +// Seems alignment in loads & stores was off... +#define DSP_CORRECT_ALIGNMENT +//#define DSP_CORRECT_ALIGNMENT_STORE + //#define DSP_DEBUG //#define DSP_DEBUG_IRQ +//#define DSP_DEBUG_PL2 //#define DSP_DEBUG_STALL +//#define DSP_DEBUG_CC +#define NEW_SCOREBOARD // Disassembly definitions -#define DSP_DIS_ABS // Pipelined only +#if 0 +#define DSP_DIS_ABS #define DSP_DIS_ADD #define DSP_DIS_ADDC #define DSP_DIS_ADDQ @@ -44,6 +72,7 @@ #define DSP_DIS_MOVEI #define DSP_DIS_MOVEQ #define DSP_DIS_MOVEFA +#define DSP_DIS_MOVEPC // Pipeline only! #define DSP_DIS_MOVETA #define DSP_DIS_MULT #define DSP_DIS_NEG @@ -69,7 +98,7 @@ //*/ bool doDSPDis = false; //bool doDSPDis = true; - +#endif /* No dis yet: @@ -154,7 +183,11 @@ struct PipelineStage #define TYPE_WORD 1 #define TYPE_DWORD 2 #define PIPELINE_STALL 64 // Set to # of opcodes + 1 +#ifndef NEW_SCOREBOARD bool scoreboard[32]; +#else +uint8 scoreboard[32]; +#endif uint8 plPtrFetch, plPtrRead, plPtrExec, plPtrWrite; PipelineStage pipeline[4]; bool IMASKCleared = false; @@ -214,7 +247,7 @@ static void dsp_opcode_abs(void); static void dsp_opcode_add(void); static void dsp_opcode_addc(void); static void dsp_opcode_addq(void); -static void dsp_opcode_addqmod(void); +static void dsp_opcode_addqmod(void); static void dsp_opcode_addqt(void); static void dsp_opcode_and(void); static void dsp_opcode_bclr(void); @@ -235,7 +268,7 @@ static void dsp_opcode_load_r14_indexed(void); static void dsp_opcode_load_r14_ri(void); static void dsp_opcode_load_r15_indexed(void); static void dsp_opcode_load_r15_ri(void); -static void dsp_opcode_mirror(void); +static void dsp_opcode_mirror(void); static void dsp_opcode_mmult(void); static void dsp_opcode_move(void); static void dsp_opcode_movei(void); @@ -254,8 +287,8 @@ static void dsp_opcode_resmac(void); static void dsp_opcode_ror(void); static void dsp_opcode_rorq(void); static void dsp_opcode_xor(void); -static void dsp_opcode_sat16s(void); -static void dsp_opcode_sat32s(void); +static void dsp_opcode_sat16s(void); +static void dsp_opcode_sat32s(void); static void dsp_opcode_sh(void); static void dsp_opcode_sha(void); static void dsp_opcode_sharq(void); @@ -271,31 +304,38 @@ static void dsp_opcode_store_r15_ri(void); static void dsp_opcode_sub(void); static void dsp_opcode_subc(void); static void dsp_opcode_subq(void); -static void dsp_opcode_subqmod(void); +static void dsp_opcode_subqmod(void); static void dsp_opcode_subqt(void); uint8 dsp_opcode_cycles[64] = { - 3, 3, 3, 3, - 3, 3, 3, 3, - 3, 3, 3, 3, - 3, 3, 3, 3, - 3, 3, 1, 3, - 1, 18, 3, 3, - 3, 3, 3, 3, - 3, 3, 3, 3, - 3, 3, 2, 2, - 2, 2, 3, 4, - 5, 4, 5, 6, - 6, 1, 1, 1, - 1, 2, 2, 2, - 1, 1, 9, 3, - 3, 1, 6, 6, - 2, 2, 3, 3 -}; + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 1, 3, 1, 18, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 2, 2, 2, 2, 3, 4, + 5, 4, 5, 6, 6, 1, 1, 1, + 1, 2, 2, 2, 1, 1, 9, 3, + 3, 1, 6, 6, 2, 2, 3, 3 +};//*/ +//Here's a QnD kludge... +//This is wrong, wrong, WRONG, but it seems to work for the time being... +//(That is, it fixes Flip Out which relies on GPU timing rather than semaphores. Bad developers! Bad!) +//What's needed here is a way to take pipeline effects into account (including pipeline stalls!)... +/*uint8 dsp_opcode_cycles[64] = +{ + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 9, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 2, + 2, 2, 2, 3, 3, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 4, 1, + 1, 1, 3, 3, 1, 1, 1, 1 +};//*/ void (* dsp_opcode[64])() = -{ +{ dsp_opcode_add, dsp_opcode_addc, dsp_opcode_addq, dsp_opcode_addqt, dsp_opcode_sub, dsp_opcode_subc, dsp_opcode_subq, dsp_opcode_subqt, dsp_opcode_neg, dsp_opcode_and, dsp_opcode_or, dsp_opcode_xor, @@ -316,8 +356,8 @@ void (* dsp_opcode[64])() = uint32 dsp_opcode_use[65]; -char * dsp_opcode_str[65]= -{ +const char * dsp_opcode_str[65]= +{ "add", "addc", "addq", "addqt", "sub", "subc", "subq", "subqt", "neg", "and", "or", "xor", @@ -347,9 +387,9 @@ static uint32 dsp_pointer_to_matrix; static uint32 dsp_data_organization; uint32 dsp_control; static uint32 dsp_div_control; -static uint8 dsp_flag_z, dsp_flag_n, dsp_flag_c; -static uint32 * dsp_reg, * dsp_alternate_reg; -static uint32 * dsp_reg_bank_0, * dsp_reg_bank_1; +static uint8 dsp_flag_z, dsp_flag_n, dsp_flag_c; +static uint32 * dsp_reg = NULL, * dsp_alternate_reg = NULL; +static uint32 dsp_reg_bank_0[32], dsp_reg_bank_1[32]; static uint32 dsp_opcode_first_parameter; static uint32 dsp_opcode_second_parameter; @@ -367,17 +407,20 @@ static uint32 dsp_opcode_second_parameter; #define CLR_ZN (dsp_flag_z = dsp_flag_n = 0) #define CLR_ZNC (dsp_flag_z = dsp_flag_n = dsp_flag_c = 0) #define SET_Z(r) (dsp_flag_z = ((r) == 0)) -#define SET_N(r) (dsp_flag_n = (((UINT32)(r) >> 31) & 0x01)) -#define SET_C_ADD(a,b) (dsp_flag_c = ((UINT32)(b) > (UINT32)(~(a)))) -#define SET_C_SUB(a,b) (dsp_flag_c = ((UINT32)(b) > (UINT32)(a))) +#define SET_N(r) (dsp_flag_n = (((uint32)(r) >> 31) & 0x01)) +#define SET_C_ADD(a,b) (dsp_flag_c = ((uint32)(b) > (uint32)(~(a)))) +#define SET_C_SUB(a,b) (dsp_flag_c = ((uint32)(b) > (uint32)(a))) #define SET_ZN(r) SET_N(r); SET_Z(r) #define SET_ZNC_ADD(a,b,r) SET_N(r); SET_Z(r); SET_C_ADD(a,b) #define SET_ZNC_SUB(a,b,r) SET_N(r); SET_Z(r); SET_C_SUB(a,b) -uint32 dsp_convert_zero[32] = { 32,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 }; -uint8 * dsp_branch_condition_table = NULL; -static uint16 * mirror_table = NULL; -static uint8 * dsp_ram_8 = NULL; +uint32 dsp_convert_zero[32] = { + 32, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 +}; +uint8 dsp_branch_condition_table[32 * 8]; +static uint16 mirror_table[65536]; +static uint8 dsp_ram_8[0x2000]; #define BRANCH_CONDITION(x) dsp_branch_condition_table[(x) + ((jaguar_flags & 7) << 5)] @@ -386,6 +429,14 @@ static uint32 dsp_releaseTimeSlice_flag = 0; FILE * dsp_fp; +#ifdef DSP_DEBUG_CC +// Comparison core vars (used only for core comparison! :-) +static uint64 count = 0; +static uint8 ram1[0x2000], ram2[0x2000]; +static uint32 regs1[64], regs2[64]; +static uint32 ctrl1[14], ctrl2[14]; +#endif + // Private function prototypes void DSPDumpRegisters(void); @@ -399,7 +450,7 @@ void dsp_reset_stats(void) dsp_opcode_use[i] = 0; } -void dsp_releaseTimeslice(void) +void DSPReleaseTimeslice(void) { //This does absolutely nothing!!! !!! FIX !!! dsp_releaseTimeSlice_flag = 1; @@ -407,49 +458,39 @@ void dsp_releaseTimeslice(void) void dsp_build_branch_condition_table(void) { - // Allocate the mirror table - if (!mirror_table) - mirror_table = (uint16 *)malloc(65536 * sizeof(mirror_table[0])); - // Fill in the mirror table - if (mirror_table) - for(int i=0; i<65536; i++) - mirror_table[i] = ((i >> 15) & 0x0001) | ((i >> 13) & 0x0002) | - ((i >> 11) & 0x0004) | ((i >> 9) & 0x0008) | - ((i >> 7) & 0x0010) | ((i >> 5) & 0x0020) | - ((i >> 3) & 0x0040) | ((i >> 1) & 0x0080) | - ((i << 1) & 0x0100) | ((i << 3) & 0x0200) | - ((i << 5) & 0x0400) | ((i << 7) & 0x0800) | - ((i << 9) & 0x1000) | ((i << 11) & 0x2000) | - ((i << 13) & 0x4000) | ((i << 15) & 0x8000); - - if (!dsp_branch_condition_table) - { - dsp_branch_condition_table = (uint8 *)malloc(32 * 8 * sizeof(dsp_branch_condition_table[0])); - - // Fill in the condition table - if (dsp_branch_condition_table) + for(int i=0; i<65536; i++) + { + mirror_table[i] = ((i >> 15) & 0x0001) | ((i >> 13) & 0x0002) + | ((i >> 11) & 0x0004) | ((i >> 9) & 0x0008) + | ((i >> 7) & 0x0010) | ((i >> 5) & 0x0020) + | ((i >> 3) & 0x0040) | ((i >> 1) & 0x0080) + | ((i << 1) & 0x0100) | ((i << 3) & 0x0200) + | ((i << 5) & 0x0400) | ((i << 7) & 0x0800) + | ((i << 9) & 0x1000) | ((i << 11) & 0x2000) + | ((i << 13) & 0x4000) | ((i << 15) & 0x8000); + } + + // Fill in the condition table + for(int i=0; i<8; i++) + { + for(int j=0; j<32; j++) { - for(int i=0; i<8; i++) - { - for(int j=0; j<32; j++) - { - int result = 1; - if (j & 1) - if (i & ZERO_FLAG) - result = 0; - if (j & 2) - if (!(i & ZERO_FLAG)) - result = 0; - if (j & 4) - if (i & (CARRY_FLAG << (j >> 4))) - result = 0; - if (j & 8) - if (!(i & (CARRY_FLAG << (j >> 4)))) - result = 0; - dsp_branch_condition_table[i * 32 + j] = result; - } - } + int result = 1; + + if ((j & 1) && (i & ZERO_FLAG)) + result = 0; + + if ((j & 2) && (!(i & ZERO_FLAG))) + result = 0; + + if ((j & 4) && (i & (CARRY_FLAG << (j >> 4)))) + result = 0; + + if ((j & 8) && (!(i & (CARRY_FLAG << (j >> 4))))) + result = 0; + + dsp_branch_condition_table[i * 32 + j] = result; } } } @@ -488,7 +529,7 @@ uint8 DSPReadByte(uint32 offset, uint32 who/*=UNKNOWN*/) } return JaguarReadByte(offset, who); -} +} uint16 DSPReadWord(uint32 offset, uint32 who/*=UNKNOWN*/) { @@ -513,12 +554,12 @@ uint16 DSPReadWord(uint32 offset, uint32 who/*=UNKNOWN*/) if (offset==0xF1B2C2) return(0x0000); } */ - // pour permettre à wolfenstein 3d de tourner sans le dsp + // pour permettre � wolfenstein 3d de tourner sans le dsp /* if ((offset==0xF1B0D0)||(offset==0xF1B0D2)) return(0); */ - // pour permettre à nba jam de tourner sans le dsp + // pour permettre � nba jam de tourner sans le dsp /* if (jaguar_mainRom_crc32==0x4faddb18) { if (offset==0xf1b2c0) return(0); @@ -583,12 +624,9 @@ uint32 DSPReadLong(uint32 offset, uint32 who/*=UNKNOWN*/) offset &= 0x3F; switch (offset) { - case 0x00: /*dsp_flag_c?(dsp_flag_c=1):(dsp_flag_c=0); - dsp_flag_z?(dsp_flag_z=1):(dsp_flag_z=0); - dsp_flag_n?(dsp_flag_n=1):(dsp_flag_n=0);*/ - - dsp_flags = (dsp_flags & 0xFFFFFFF8) | (dsp_flag_n << 2) | (dsp_flag_c << 1) | dsp_flag_z; - return dsp_flags & 0xFFFFC1FF; + case 0x00: + dsp_flags = (dsp_flags & 0xFFFFFFF8) | (dsp_flag_n << 2) | (dsp_flag_c << 1) | dsp_flag_z; + return dsp_flags & 0xFFFFC1FF; case 0x04: return dsp_matrix_control; case 0x08: return dsp_pointer_to_matrix; case 0x0C: return dsp_data_organization; @@ -619,7 +657,7 @@ void DSPWriteByte(uint32 offset, uint8 data, uint32 who/*=UNKNOWN*/) /* if (dsp_in_exec == 0) { m68k_end_timeslice(); - gpu_releaseTimeslice(); + dsp_releaseTimeslice(); }*/ return; } @@ -627,7 +665,7 @@ void DSPWriteByte(uint32 offset, uint8 data, uint32 who/*=UNKNOWN*/) { uint32 reg = offset & 0x1C; int bytenum = offset & 0x03; - + if ((reg >= 0x1C) && (reg <= 0x1F)) dsp_div_control = (dsp_div_control & (~(0xFF << (bytenum << 3)))) | (data << (bytenum << 3)); else @@ -635,7 +673,7 @@ void DSPWriteByte(uint32 offset, uint8 data, uint32 who/*=UNKNOWN*/) //This looks funky. !!! FIX !!! uint32 old_data = DSPReadLong(offset&0xFFFFFFC, who); bytenum = 3 - bytenum; // convention motorola !!! - old_data = (old_data & (~(0xFF << (bytenum << 3)))) | (data << (bytenum << 3)); + old_data = (old_data & (~(0xFF << (bytenum << 3)))) | (data << (bytenum << 3)); DSPWriteLong(offset & 0xFFFFFFC, old_data, who); } return; @@ -657,6 +695,10 @@ void DSPWriteWord(uint32 offset, uint16 data, uint32 who/*=UNKNOWN*/) // WriteLog("dsp: writing %.4x at 0x%.8x\n",data,offset); if ((offset >= DSP_WORK_RAM_BASE) && (offset < DSP_WORK_RAM_BASE+0x2000)) { +/*if (offset == 0xF1B2F4) +{ + WriteLog("DSP: %s is writing %04X at location 0xF1B2F4 (DSP_PC: %08X)...\n", whoName[who], data, dsp_pc); +}//*/ offset -= DSP_WORK_RAM_BASE; dsp_ram_8[offset] = data >> 8; dsp_ram_8[offset+1] = data & 0xFF; @@ -665,8 +707,14 @@ void DSPWriteWord(uint32 offset, uint16 data, uint32 who/*=UNKNOWN*/) { // WriteLog("dsp: writing %.4x at 0x%.8x\n",data,offset+DSP_WORK_RAM_BASE); m68k_end_timeslice(); - gpu_releaseTimeslice(); + dsp_releaseTimeslice(); }*/ +//CC only! +#ifdef DSP_DEBUG_CC +SET16(ram1, offset, data), +SET16(ram2, offset, data); +#endif +//!!!!!!!! return; } else if ((offset >= DSP_CONTROL_RAM_BASE) && (offset < DSP_CONTROL_RAM_BASE+0x20)) @@ -674,19 +722,22 @@ void DSPWriteWord(uint32 offset, uint16 data, uint32 who/*=UNKNOWN*/) if ((offset & 0x1C) == 0x1C) { if (offset & 0x03) - dsp_div_control = (dsp_div_control&0xffff0000)|(data&0xffff); + dsp_div_control = (dsp_div_control & 0xFFFF0000) | (data & 0xFFFF); else - dsp_div_control = (dsp_div_control&0xffff)|((data&0xffff)<<16); + dsp_div_control = (dsp_div_control & 0xFFFF) | ((data & 0xFFFF) << 16); } else { - uint32 old_data = DSPReadLong(offset & 0xffffffc, who); + uint32 old_data = DSPReadLong(offset & 0xFFFFFFC, who); + if (offset & 0x03) - old_data = (old_data&0xffff0000)|(data&0xffff); + old_data = (old_data & 0xFFFF0000) | (data & 0xFFFF); else - old_data = (old_data&0xffff)|((data&0xffff)<<16); - DSPWriteLong(offset & 0xffffffc, old_data, who); + old_data = (old_data & 0xFFFF) | ((data & 0xFFFF) << 16); + + DSPWriteLong(offset & 0xFFFFFFC, old_data, who); } + return; } @@ -713,6 +764,12 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) }//*/ offset -= DSP_WORK_RAM_BASE; SET32(dsp_ram_8, offset, data); +//CC only! +#ifdef DSP_DEBUG_CC +SET32(ram1, offset, data), +SET32(ram2, offset, data); +#endif +//!!!!!!!! return; } else if (offset >= DSP_CONTROL_RAM_BASE && offset <= (DSP_CONTROL_RAM_BASE + 0x1F)) @@ -723,17 +780,61 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) case 0x00: { #ifdef DSP_DEBUG - WriteLog("DSP: Writing %08X to DSP_FLAGS by %s (REGPAGE is %s)...\n", data, whoName[who], (dsp_flags & REGPAGE ? "set" : "not set")); + WriteLog("DSP: Writing %08X to DSP_FLAGS by %s (REGPAGE is %sset)...\n", data, whoName[who], (dsp_flags & REGPAGE ? "" : "not ")); #endif // bool IMASKCleared = (dsp_flags & IMASK) && !(data & IMASK); IMASKCleared = (dsp_flags & IMASK) && !(data & IMASK); - dsp_flags = data; + // NOTE: According to the JTRM, writing a 1 to IMASK has no effect; only the + // IRQ logic can set it. So we mask it out here to prevent problems... + dsp_flags = data & (~IMASK); dsp_flag_z = dsp_flags & 0x01; dsp_flag_c = (dsp_flags >> 1) & 0x01; dsp_flag_n = (dsp_flags >> 2) & 0x01; DSPUpdateRegisterBanks(); dsp_control &= ~((dsp_flags & CINT04FLAGS) >> 3); dsp_control &= ~((dsp_flags & CINT5FLAG) >> 1); + +// NB: This is just a wild hairy-assed guess as to what the playback frequency is. +// It can be timed to anything really, anything that writes to L/RTXD at a regular +// interval. Most things seem to use either the I2S interrupt or the TIMER 0 +// interrupt, so that's what we check for here. Just know that this approach +// can be easily fooled! +// Note also that if both interrupts are enabled, the I2S freq will win. :-P + +// Further Note: +// The impetus for this "fix" was Cybermorph, which sets the SCLK to 7 which is an +// audio frequency > 48 KHz. However, it stuffs the L/RTXD registers using TIMER0. +// So, while this works, it's a by-product of the lame way in which audio is currently +// handled. Hopefully, once we run the DSP in the host audio IRQ, this problem will +// go away of its own accord. :-P +// Or does it? It seems the I2S interrupt isn't on with Cybermorph, so something +// weird is going on here... +// Maybe it works like this: It acknowledges the 1st interrupt, but never clears it. +// So subsequent interrupts come into the chip, but they're never serviced but the +// I2S subsystem keeps going. +// After some testing on real hardware, it seems that if you enable TIMER0 and EXTERNAL +// IRQs on J_INT ($F10020), you don't have to run an I2S interrupt on the DSP. Also, +// It seems that it's only stable for values of SCLK <= 9. + +// All of the preceeding is moot now; we run the DSP in the host audio IRQ. This means +// that we don't actually need this stuff anymore. :-D +#if 0 + if (data & INT_ENA1) // I2S interrupt + { + int freq = GetCalculatedFrequency(); +//This happens too often to be useful... +// WriteLog("DSP: Setting audio freqency to %u Hz...\n", freq); + DACSetNewFrequency(freq); + } + else if (data & INT_ENA2) // TIMER 0 interrupt + { + int freq = JERRYGetPIT1Frequency(); +//This happens too often to be useful... +// WriteLog("DSP: Setting audio freqency to %u Hz...\n", freq); + DACSetNewFrequency(freq); + } +#endif + /* if (IMASKCleared) // If IMASK was cleared, #ifdef DSP_DEBUG_IRQ { @@ -743,13 +844,36 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) #ifdef DSP_DEBUG_IRQ } #endif//*/ +#if 0 + if (/*4-8, 16*/data & 0x101F0) + WriteLog("DSP: %s is enabling interrupts %s%s%s%s%s%s\n", whoName[who], + (data & 0x010 ? "CPU " : ""), (data & 0x020 ? "I2S " : ""), + (data & 0x040 ? "TIMER0 " : ""), (data & 0x080 ? "TIMER1 " : ""), + (data & 0x100 ? "EXT0 " : ""), (data & 0x10000 ? "EXT1" : "")); +/*if (data & 0x00020) // CD BIOS DSP code... +{ +//001AC1BA: movea.l #$1AC200, A0 +//001AC1C0: move.l #$1AC68C, D0 + char buffer[512]; + + WriteLog("\n---[DSP code at 00F1B97C]---------------------------\n"); + uint32 j = 0xF1B97C;//0x1AC200; + while (j <= 0xF1BE08)//0x1AC68C) + { + uint32 oldj = j; + j += dasmjag(JAGUAR_DSP, buffer, j); +// WriteLog("\t%08X: %s\n", oldj+0xD6F77C, buffer); + WriteLog("\t%08X: %s\n", oldj, buffer); + } +}//*/ +#endif break; } case 0x04: dsp_matrix_control = data; break; case 0x08: - // According to JTRM, only lines 2-11 are adressable, the rest being + // According to JTRM, only lines 2-11 are addressable, the rest being // hardwired to $F1Bxxx. dsp_pointer_to_matrix = 0xF1B000 | (data & 0x000FFC); break; @@ -761,21 +885,34 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) #ifdef DSP_DEBUG WriteLog("DSP: Setting DSP PC to %08X by %s%s\n", dsp_pc, whoName[who], (DSP_RUNNING ? " (DSP is RUNNING!)" : ""));//*/ #endif +//CC only! +#ifdef DSP_DEBUG_CC +if (who != DSP) + ctrl1[0] = ctrl2[0] = data; +#endif +//!!!!!!!! break; case 0x14: - { + { +//#ifdef DSP_DEBUG +WriteLog("Write to DSP CTRL by %s: %08X (DSP PC=$%08X)\n", whoName[who], data, dsp_pc); +//#endif + bool wasRunning = DSP_RUNNING; // uint32 dsp_was_running = DSP_RUNNING; // Check for DSP -> CPU interrupt if (data & CPUINT) { -// WriteLog("DSP: DSP -> CPU interrupt\n"); +#ifdef DSP_DEBUG + WriteLog("DSP: DSP -> CPU interrupt\n"); +#endif // This was WRONG -// Why do we check for a valid handler at 64? Isn't that the Jag programmer's responsibility? +// Why do we check for a valid handler at 64? Isn't that the Jag programmer's responsibility? (YES) +#warning "!!! DSP IRQs that go to the 68K have to be routed thru TOM !!! FIX !!!" if (JERRYIRQEnabled(IRQ2_DSP))// && jaguar_interrupt_handler_is_valid(64)) { JERRYSetPendingIRQ(IRQ2_DSP); - dsp_releaseTimeslice(); - m68k_set_irq(7); // Set 68000 NMI... + DSPReleaseTimeslice(); + m68k_set_irq(2); // Set 68000 IPL 2... } data &= ~CPUINT; } @@ -786,7 +923,7 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) WriteLog("DSP: CPU -> DSP interrupt\n"); #endif m68k_end_timeslice(); - gpu_releaseTimeslice(); + DSPReleaseTimeslice(); DSPSetIRQLine(DSPIRQ_CPU, ASSERT_LINE); data &= ~DSPINT0; } @@ -799,6 +936,12 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) // Protect writes to VERSION and the interrupt latches... uint32 mask = VERSION | INT_LAT0 | INT_LAT1 | INT_LAT2 | INT_LAT3 | INT_LAT4 | INT_LAT5; dsp_control = (dsp_control & mask) | (data & ~mask); +//CC only! +#ifdef DSP_DEBUG_CC +if (who != DSP) + ctrl1[8] = ctrl2[8] = dsp_control; +#endif +//!!!!!!!! // if dsp wasn't running but is now running // execute a few cycles @@ -814,23 +957,23 @@ void DSPWriteLong(uint32 offset, uint32 data, uint32 who/*=UNKNOWN*/) DSPExec(1); #endif #ifdef DSP_DEBUG -WriteLog("Write to DSP CTRL: %08X ", data); if (DSP_RUNNING) WriteLog(" --> Starting to run at %08X by %s...", dsp_pc, whoName[who]); else WriteLog(" --> Stopped by %s! (DSP PC: %08X)", whoName[who], dsp_pc); WriteLog("\n"); #endif // DSP_DEBUG -//This isn't exactly right either--we don't know if it was the M68K or the GPU writing here... +//This isn't exactly right either--we don't know if it was the M68K or the DSP writing here... // !!! FIX !!! [DONE] if (DSP_RUNNING) { if (who == M68K) m68k_end_timeslice(); - else if (who == GPU) - gpu_releaseTimeslice(); + else if (who == DSP) + DSPReleaseTimeslice(); - FlushDSPPipeline(); + if (!wasRunning) + FlushDSPPipeline(); //DSPDumpDisassembly(); } break; @@ -872,7 +1015,7 @@ void DSPUpdateRegisterBanks(void) } // -// Check for an handle any asserted DSP IRQs +// Check for and handle any asserted DSP IRQs // void DSPHandleIRQs(void) { @@ -889,7 +1032,7 @@ void DSPHandleIRQs(void) if (!bits) // Bail if nothing is enabled return; - int which = 0; // Determine which interrupt + int which = 0; // Determine which interrupt if (bits & 0x01) which = 0; if (bits & 0x02) @@ -921,6 +1064,16 @@ void DSPHandleIRQs(void) if (affectsScoreboard[pipeline[plPtrWrite].opcode]) scoreboard[pipeline[plPtrWrite].operand2] = false; }//*/ +//This should be execute (or should it?--not sure now!) +//Actually, the way this is called now, this should be correct (i.e., the plPtrs advance, +//and what just executed is now in the Write position...). So why didn't it do the +//writeback into register 0? +#ifdef DSP_DEBUG_IRQ +WriteLog("--> Pipeline dump [DSP_PC=%08X]...\n", dsp_pc); +WriteLog("\tR -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrRead].opcode, pipeline[plPtrRead].operand1, pipeline[plPtrRead].operand2, pipeline[plPtrRead].reg1, pipeline[plPtrRead].reg2, pipeline[plPtrRead].result, pipeline[plPtrRead].writebackRegister, dsp_opcode_str[pipeline[plPtrRead].opcode]); +WriteLog("\tE -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrExec].opcode, pipeline[plPtrExec].operand1, pipeline[plPtrExec].operand2, pipeline[plPtrExec].reg1, pipeline[plPtrExec].reg2, pipeline[plPtrExec].result, pipeline[plPtrExec].writebackRegister, dsp_opcode_str[pipeline[plPtrExec].opcode]); +WriteLog("\tW -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrWrite].opcode, pipeline[plPtrWrite].operand1, pipeline[plPtrWrite].operand2, pipeline[plPtrWrite].reg1, pipeline[plPtrWrite].reg2, pipeline[plPtrWrite].result, pipeline[plPtrWrite].writebackRegister, dsp_opcode_str[pipeline[plPtrWrite].opcode]); +#endif if (pipeline[plPtrWrite].opcode != PIPELINE_STALL) { if (pipeline[plPtrWrite].writebackRegister != 0xFF) @@ -938,21 +1091,38 @@ void DSPHandleIRQs(void) } } +#ifndef NEW_SCOREBOARD if (affectsScoreboard[pipeline[plPtrWrite].opcode]) scoreboard[pipeline[plPtrWrite].operand2] = false; +#else +//Yup, sequential MOVEQ # problem fixing (I hope!)... + if (affectsScoreboard[pipeline[plPtrWrite].opcode]) + if (scoreboard[pipeline[plPtrWrite].operand2]) + scoreboard[pipeline[plPtrWrite].operand2]--; +#endif } dsp_flags |= IMASK; +//CC only! +#ifdef DSP_DEBUG_CC +ctrl2[4] = dsp_flags; +#endif +//!!!!!!!! DSPUpdateRegisterBanks(); #ifdef DSP_DEBUG_IRQ // WriteLog(" [PC will return to %08X, R31 = %08X]\n", dsp_pc, dsp_reg[31]); WriteLog(" [PC will return to %08X, R31 = %08X]\n", dsp_pc - (pipeline[plPtrExec].opcode == 38 ? 6 : (pipeline[plPtrExec].opcode == PIPELINE_STALL ? 0 : 2)), dsp_reg[31]); #endif - // subqt #4,r31 ; pre-decrement stack pointer - // move pc,r30 ; address of interrupted code + // subqt #4,r31 ; pre-decrement stack pointer + // move pc,r30 ; address of interrupted code // store r30,(r31) ; store return address dsp_reg[31] -= 4; +//CC only! +#ifdef DSP_DEBUG_CC +regs2[31] -= 4; +#endif +//!!!!!!!! //This might not come back to the right place if the instruction was MOVEI #. !!! FIX !!! //But, then again, JTRM says that it adds two regardless of what the instruction was... //It missed the place that it was supposed to come back to, so this is WRONG! @@ -970,14 +1140,120 @@ void DSPHandleIRQs(void) // DSPWriteLong(dsp_reg[31], dsp_pc - 2, DSP); DSPWriteLong(dsp_reg[31], dsp_pc - 2 - (pipeline[plPtrExec].opcode == 38 ? 6 : (pipeline[plPtrExec].opcode == PIPELINE_STALL ? 0 : 2)), DSP); +//CC only! +#ifdef DSP_DEBUG_CC +SET32(ram2, regs2[31] - 0xF1B000, dsp_pc - 2 - (pipeline[plPtrExec].opcode == 38 ? 6 : (pipeline[plPtrExec].opcode == PIPELINE_STALL ? 0 : 2))); +#endif +//!!!!!!!! - // movei #service_address,r30 ; pointer to ISR entry - // jump (r30) ; jump to ISR + // movei #service_address,r30 ; pointer to ISR entry + // jump (r30) ; jump to ISR // nop dsp_pc = dsp_reg[30] = DSP_WORK_RAM_BASE + (which * 0x10); +//CC only! +#ifdef DSP_DEBUG_CC +ctrl2[0] = regs2[30] = dsp_pc; +#endif +//!!!!!!!! FlushDSPPipeline(); } +// +// Non-pipelined version... +// +void DSPHandleIRQsNP(void) +{ +//CC only! +#ifdef DSP_DEBUG_CC + memcpy(dsp_ram_8, ram1, 0x2000); + memcpy(dsp_reg_bank_0, regs1, 32 * 4); + memcpy(dsp_reg_bank_1, ®s1[32], 32 * 4); + dsp_pc = ctrl1[0]; + dsp_acc = ctrl1[1]; + dsp_remain = ctrl1[2]; + dsp_modulo = ctrl1[3]; + dsp_flags = ctrl1[4]; + dsp_matrix_control = ctrl1[5]; + dsp_pointer_to_matrix = ctrl1[6]; + dsp_data_organization = ctrl1[7]; + dsp_control = ctrl1[8]; + dsp_div_control = ctrl1[9]; + IMASKCleared = ctrl1[10]; + dsp_flag_z = ctrl1[11]; + dsp_flag_n = ctrl1[12]; + dsp_flag_c = ctrl1[13]; +DSPUpdateRegisterBanks(); +#endif +//!!!!!!!! + if (dsp_flags & IMASK) // Bail if we're already inside an interrupt + return; + + // Get the active interrupt bits (latches) & interrupt mask (enables) + uint32 bits = ((dsp_control >> 10) & 0x20) | ((dsp_control >> 6) & 0x1F), + mask = ((dsp_flags >> 11) & 0x20) | ((dsp_flags >> 4) & 0x1F); + +// WriteLog("dsp: bits=%.2x mask=%.2x\n",bits,mask); + bits &= mask; + + if (!bits) // Bail if nothing is enabled + return; + + int which = 0; // Determine which interrupt + if (bits & 0x01) + which = 0; + if (bits & 0x02) + which = 1; + if (bits & 0x04) + which = 2; + if (bits & 0x08) + which = 3; + if (bits & 0x10) + which = 4; + if (bits & 0x20) + which = 5; + +#ifdef DSP_DEBUG_IRQ + WriteLog("DSP: Generating interrupt #%i...", which); +#endif + + dsp_flags |= IMASK; +//CC only! +#ifdef DSP_DEBUG_CC +ctrl1[4] = dsp_flags; +#endif +//!!!!!!!! + DSPUpdateRegisterBanks(); +#ifdef DSP_DEBUG_IRQ + WriteLog(" [PC will return to %08X, R31 = %08X]\n", dsp_pc, dsp_reg[31]); +#endif + + // subqt #4,r31 ; pre-decrement stack pointer + // move pc,r30 ; address of interrupted code + // store r30,(r31) ; store return address + dsp_reg[31] -= 4; +//CC only! +#ifdef DSP_DEBUG_CC +regs1[31] -= 4; +#endif +//!!!!!!!! + DSPWriteLong(dsp_reg[31], dsp_pc - 2, DSP); +//CC only! +#ifdef DSP_DEBUG_CC +SET32(ram1, regs1[31] - 0xF1B000, dsp_pc - 2); +#endif +//!!!!!!!! + + // movei #service_address,r30 ; pointer to ISR entry + // jump (r30) ; jump to ISR + // nop + dsp_pc = dsp_reg[30] = DSP_WORK_RAM_BASE + (which * 0x10); +//CC only! +#ifdef DSP_DEBUG_CC +ctrl1[0] = regs1[30] = dsp_pc; +#endif +//!!!!!!!! +} + // // Set the specified DSP IRQ line to a given state // @@ -986,22 +1262,44 @@ void DSPSetIRQLine(int irqline, int state) //NOTE: This doesn't take INT_LAT5 into account. !!! FIX !!! uint32 mask = INT_LAT0 << irqline; dsp_control &= ~mask; // Clear the latch bit +//CC only! +#ifdef DSP_DEBUG_CC +ctrl1[8] = ctrl2[8] = dsp_control; +#endif +//!!!!!!!! if (state) { dsp_control |= mask; // Set the latch bit DSPHandleIRQs(); +//CC only! +#ifdef DSP_DEBUG_CC +ctrl1[8] = ctrl2[8] = dsp_control; +DSPHandleIRQsNP(); +#endif +//!!!!!!!! } + + // Not sure if this is correct behavior, but according to JTRM, + // the IRQ output of JERRY is fed to this IRQ in the GPU... +// Not sure this is right--DSP interrupts seem to be different from the JERRY interrupts! +// GPUSetIRQLine(GPUIRQ_DSP, ASSERT_LINE); +} + +bool DSPIsRunning(void) +{ + return (DSP_RUNNING ? true : false); } void DSPInit(void) { - memory_malloc_secure((void **)&dsp_ram_8, 0x2000, "DSP work RAM"); - memory_malloc_secure((void **)&dsp_reg_bank_0, 32 * sizeof(int32), "DSP bank 0 regs"); - memory_malloc_secure((void **)&dsp_reg_bank_1, 32 * sizeof(int32), "DSP bank 1 regs"); +// memory_malloc_secure((void **)&dsp_ram_8, 0x2000, "DSP work RAM"); +// memory_malloc_secure((void **)&dsp_reg_bank_0, 32 * sizeof(int32), "DSP bank 0 regs"); +// memory_malloc_secure((void **)&dsp_reg_bank_1, 32 * sizeof(int32), "DSP bank 1 regs"); dsp_build_branch_condition_table(); DSPReset(); + srand(time(NULL)); // For randomizing local RAM } void DSPReset(void) @@ -1026,8 +1324,14 @@ void DSPReset(void) CLR_ZNC; IMASKCleared = false; + FlushDSPPipeline(); dsp_reset_stats(); - memset(dsp_ram_8, 0xFF, 0x2000); +// memset(dsp_ram_8, 0xFF, 0x2000); + // Contents of local RAM are quasi-stable; we simulate this by randomizing RAM contents + for(uint32 i=0; i<8192; i+=4) + { + *((uint32 *)(&dsp_ram_8[i])) = rand(); + } } void DSPDumpDisassembly(void) @@ -1036,6 +1340,7 @@ void DSPDumpDisassembly(void) WriteLog("\n---[DSP code at 00F1B000]---------------------------\n"); uint32 j = 0xF1B000; + while (j <= 0xF1CFFF) { uint32 oldj = j; @@ -1049,6 +1354,7 @@ void DSPDumpRegisters(void) //Shoud add modulus, etc to dump here... WriteLog("\n---[DSP flags: NCZ %d%d%d, DSP PC: %08X]------------\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, dsp_pc); WriteLog("\nRegisters bank 0\n"); + for(int j=0; j<8; j++) { WriteLog("\tR%02i = %08X R%02i = %08X R%02i = %08X R%02i = %08X\n", @@ -1057,7 +1363,9 @@ void DSPDumpRegisters(void) (j << 2) + 2, dsp_reg_bank_0[(j << 2) + 2], (j << 2) + 3, dsp_reg_bank_0[(j << 2) + 3]); } + WriteLog("Registers bank 1\n"); + for(int j=0; j<8; j++) { WriteLog("\tR%02i = %08X R%02i = %08X R%02i = %08X R%02i = %08X\n", @@ -1071,38 +1379,46 @@ void DSPDumpRegisters(void) void DSPDone(void) { int i, j; - WriteLog("DSP: Stopped at PC=%08X dsp_modulo=%08X (dsp %s running)\n", dsp_pc, dsp_modulo, (DSP_RUNNING ? "was" : "wasn't")); + WriteLog("DSP: Stopped at PC=%08X dsp_modulo=%08X (dsp was%s running)\n", dsp_pc, dsp_modulo, (DSP_RUNNING ? "" : "n't")); WriteLog("DSP: %sin interrupt handler\n", (dsp_flags & IMASK ? "" : "not ")); - // get the active interrupt bits + // get the active interrupt bits int bits = ((dsp_control >> 10) & 0x20) | ((dsp_control >> 6) & 0x1F); - // get the interrupt mask + // get the interrupt mask int mask = ((dsp_flags >> 11) & 0x20) | ((dsp_flags >> 4) & 0x1F); - WriteLog("DSP: pending=%08X enabled=%08X\n", bits, mask); + WriteLog("DSP: pending=$%X enabled=$%X (%s%s%s%s%s%s)\n", bits, mask, + (mask & 0x01 ? "CPU " : ""), (mask & 0x02 ? "I2S " : ""), + (mask & 0x04 ? "Timer0 " : ""), (mask & 0x08 ? "Timer1 " : ""), + (mask & 0x10 ? "Ext0 " : ""), (mask & 0x20 ? "Ext1" : "")); WriteLog("\nRegisters bank 0\n"); + for(int j=0; j<8; j++) { - WriteLog("\tr%2i=0x%.8x r%2i=0x%.8x r%2i=0x%.8x r%2i=0x%.8x\n", + WriteLog("\tR%02i=%08X R%02i=%08X R%02i=%08X R%02i=%08X\n", (j << 2) + 0, dsp_reg_bank_0[(j << 2) + 0], (j << 2) + 1, dsp_reg_bank_0[(j << 2) + 1], (j << 2) + 2, dsp_reg_bank_0[(j << 2) + 2], (j << 2) + 3, dsp_reg_bank_0[(j << 2) + 3]); } + WriteLog("\nRegisters bank 1\n"); + for (j=0; j<8; j++) { - WriteLog("\tr%2i=0x%.8x r%2i=0x%.8x r%2i=0x%.8x r%2i=0x%.8x\n", + WriteLog("\tR%02i=%08X R%02i=%08X R%02i=%08X R%02i=%08X\n", (j << 2) + 0, dsp_reg_bank_1[(j << 2) + 0], (j << 2) + 1, dsp_reg_bank_1[(j << 2) + 1], (j << 2) + 2, dsp_reg_bank_1[(j << 2) + 2], (j << 2) + 3, dsp_reg_bank_1[(j << 2) + 3]); - } + WriteLog("\n"); + static char buffer[512]; j = DSP_WORK_RAM_BASE; - while (j <= 0xF1BFFF) + + while (j <= 0xF1CFFF) { uint32 oldj = j; j += dasmjag(JAGUAR_DSP, buffer, j); @@ -1110,14 +1426,224 @@ void DSPDone(void) }//*/ WriteLog("DSP opcodes use:\n"); + for (i=0;i<64;i++) { if (dsp_opcode_use[i]) WriteLog("\t%s %i\n", dsp_opcode_str[i], dsp_opcode_use[i]); }//*/ - memory_free(dsp_ram_8); +// memory_free(dsp_ram_8); +// memory_free(dsp_reg_bank_0); +// memory_free(dsp_reg_bank_1); +// if (dsp_branch_condition_table) +// free(dsp_branch_condition_table); + +// if (mirror_table) +// free(mirror_table); +} + + + +// +// DSP comparison core... +// +#ifdef DSP_DEBUG_CC +static uint16 lastExec; +void DSPExecComp(int32 cycles) +{ + while (cycles > 0 && DSP_RUNNING) + { + // Load up vars for non-pipelined core + memcpy(dsp_ram_8, ram1, 0x2000); + memcpy(dsp_reg_bank_0, regs1, 32 * 4); + memcpy(dsp_reg_bank_1, ®s1[32], 32 * 4); + dsp_pc = ctrl1[0]; + dsp_acc = ctrl1[1]; + dsp_remain = ctrl1[2]; + dsp_modulo = ctrl1[3]; + dsp_flags = ctrl1[4]; + dsp_matrix_control = ctrl1[5]; + dsp_pointer_to_matrix = ctrl1[6]; + dsp_data_organization = ctrl1[7]; + dsp_control = ctrl1[8]; + dsp_div_control = ctrl1[9]; + IMASKCleared = ctrl1[10]; + dsp_flag_z = ctrl1[11]; + dsp_flag_n = ctrl1[12]; + dsp_flag_c = ctrl1[13]; +DSPUpdateRegisterBanks(); + + // Decrement cycles based on non-pipelined core... + uint16 instr1 = DSPReadWord(dsp_pc, DSP); + cycles -= dsp_opcode_cycles[instr1 >> 10]; + +//WriteLog("\tAbout to execute non-pipelined core on tick #%u (DSP_PC=%08X)...\n", (uint32)count, dsp_pc); + DSPExec(1); // Do *one* instruction + + // Save vars + memcpy(ram1, dsp_ram_8, 0x2000); + memcpy(regs1, dsp_reg_bank_0, 32 * 4); + memcpy(®s1[32], dsp_reg_bank_1, 32 * 4); + ctrl1[0] = dsp_pc; + ctrl1[1] = dsp_acc; + ctrl1[2] = dsp_remain; + ctrl1[3] = dsp_modulo; + ctrl1[4] = dsp_flags; + ctrl1[5] = dsp_matrix_control; + ctrl1[6] = dsp_pointer_to_matrix; + ctrl1[7] = dsp_data_organization; + ctrl1[8] = dsp_control; + ctrl1[9] = dsp_div_control; + ctrl1[10] = IMASKCleared; + ctrl1[11] = dsp_flag_z; + ctrl1[12] = dsp_flag_n; + ctrl1[13] = dsp_flag_c; + + // Load up vars for pipelined core + memcpy(dsp_ram_8, ram2, 0x2000); + memcpy(dsp_reg_bank_0, regs2, 32 * 4); + memcpy(dsp_reg_bank_1, ®s2[32], 32 * 4); + dsp_pc = ctrl2[0]; + dsp_acc = ctrl2[1]; + dsp_remain = ctrl2[2]; + dsp_modulo = ctrl2[3]; + dsp_flags = ctrl2[4]; + dsp_matrix_control = ctrl2[5]; + dsp_pointer_to_matrix = ctrl2[6]; + dsp_data_organization = ctrl2[7]; + dsp_control = ctrl2[8]; + dsp_div_control = ctrl2[9]; + IMASKCleared = ctrl2[10]; + dsp_flag_z = ctrl2[11]; + dsp_flag_n = ctrl2[12]; + dsp_flag_c = ctrl2[13]; +DSPUpdateRegisterBanks(); + +//WriteLog("\tAbout to execute pipelined core on tick #%u (DSP_PC=%08X)...\n", (uint32)count, dsp_pc); + DSPExecP2(1); // Do *one* instruction + + // Save vars + memcpy(ram2, dsp_ram_8, 0x2000); + memcpy(regs2, dsp_reg_bank_0, 32 * 4); + memcpy(®s2[32], dsp_reg_bank_1, 32 * 4); + ctrl2[0] = dsp_pc; + ctrl2[1] = dsp_acc; + ctrl2[2] = dsp_remain; + ctrl2[3] = dsp_modulo; + ctrl2[4] = dsp_flags; + ctrl2[5] = dsp_matrix_control; + ctrl2[6] = dsp_pointer_to_matrix; + ctrl2[7] = dsp_data_organization; + ctrl2[8] = dsp_control; + ctrl2[9] = dsp_div_control; + ctrl2[10] = IMASKCleared; + ctrl2[11] = dsp_flag_z; + ctrl2[12] = dsp_flag_n; + ctrl2[13] = dsp_flag_c; + + if (instr1 != lastExec) + { +// WriteLog("\nCores diverged at instruction tick #%u!\nAttemping to synchronize...\n\n", count); + +// uint32 ppc = ctrl2[0] - (pipeline[plPtrExec].opcode == 38 ? 6 : (pipeline[plPtrExec].opcode == PIPELINE_STALL ? 0 : 2)) - (pipeline[plPtrWrite].opcode == 38 ? 6 : (pipeline[plPtrWrite].opcode == PIPELINE_STALL ? 0 : 2)); +//WriteLog("[DSP_PC1=%08X, DSP_PC2=%08X]\n", ctrl1[0], ppc); +// if (ctrl1[0] < ppc) // P ran ahead of NP +//How to test this crap??? +// if (1) + { + DSPExecP2(1); // Do one more instruction + + // Save vars + memcpy(ram2, dsp_ram_8, 0x2000); + memcpy(regs2, dsp_reg_bank_0, 32 * 4); + memcpy(®s2[32], dsp_reg_bank_1, 32 * 4); + ctrl2[0] = dsp_pc; + ctrl2[1] = dsp_acc; + ctrl2[2] = dsp_remain; + ctrl2[3] = dsp_modulo; + ctrl2[4] = dsp_flags; + ctrl2[5] = dsp_matrix_control; + ctrl2[6] = dsp_pointer_to_matrix; + ctrl2[7] = dsp_data_organization; + ctrl2[8] = dsp_control; + ctrl2[9] = dsp_div_control; + ctrl2[10] = IMASKCleared; + ctrl2[11] = dsp_flag_z; + ctrl2[12] = dsp_flag_n; + ctrl2[13] = dsp_flag_c; + } +// else // NP ran ahead of P + if (instr1 != lastExec) // Must be the other way... + + { + // Load up vars for non-pipelined core + memcpy(dsp_ram_8, ram1, 0x2000); + memcpy(dsp_reg_bank_0, regs1, 32 * 4); + memcpy(dsp_reg_bank_1, ®s1[32], 32 * 4); + dsp_pc = ctrl1[0]; + dsp_acc = ctrl1[1]; + dsp_remain = ctrl1[2]; + dsp_modulo = ctrl1[3]; + dsp_flags = ctrl1[4]; + dsp_matrix_control = ctrl1[5]; + dsp_pointer_to_matrix = ctrl1[6]; + dsp_data_organization = ctrl1[7]; + dsp_control = ctrl1[8]; + dsp_div_control = ctrl1[9]; + IMASKCleared = ctrl1[10]; + dsp_flag_z = ctrl1[11]; + dsp_flag_n = ctrl1[12]; + dsp_flag_c = ctrl1[13]; +DSPUpdateRegisterBanks(); + +for(int k=0; k<2; k++) +{ + // Decrement cycles based on non-pipelined core... + instr1 = DSPReadWord(dsp_pc, DSP); + cycles -= dsp_opcode_cycles[instr1 >> 10]; + +//WriteLog("\tAbout to execute non-pipelined core on tick #%u (DSP_PC=%08X)...\n", (uint32)count, dsp_pc); + DSPExec(1); // Do *one* instruction +} + + // Save vars + memcpy(ram1, dsp_ram_8, 0x2000); + memcpy(regs1, dsp_reg_bank_0, 32 * 4); + memcpy(®s1[32], dsp_reg_bank_1, 32 * 4); + ctrl1[0] = dsp_pc; + ctrl1[1] = dsp_acc; + ctrl1[2] = dsp_remain; + ctrl1[3] = dsp_modulo; + ctrl1[4] = dsp_flags; + ctrl1[5] = dsp_matrix_control; + ctrl1[6] = dsp_pointer_to_matrix; + ctrl1[7] = dsp_data_organization; + ctrl1[8] = dsp_control; + ctrl1[9] = dsp_div_control; + ctrl1[10] = IMASKCleared; + ctrl1[11] = dsp_flag_z; + ctrl1[12] = dsp_flag_n; + ctrl1[13] = dsp_flag_c; + } + } + + if (instr1 != lastExec) + { + WriteLog("\nCores diverged at instruction tick #%u!\nStopped!\n\n", count); + + WriteLog("Instruction for non-pipelined core: %04X\n", instr1); + WriteLog("Instruction for pipelined core: %04X\n", lastExec); + + log_done(); + exit(1); + } + + count++; + } } +#endif + // // DSP execution core @@ -1143,6 +1669,30 @@ void DSPExec(int32 cycles) while (cycles > 0 && DSP_RUNNING) { +/*extern uint32 totalFrames; +//F1B2F6: LOAD (R14+$04), R24 [NCZ:001, R14+$04=00F20018, R24=FFFFFFFF] -> Jaguar: Unknown word read at 00F20018 by DSP (M68K PC=00E32E) +//-> 43 + 1 + 24 -> $2B + $01 + $18 -> 101011 00001 11000 -> 1010 1100 0011 1000 -> AC38 +//C470 -> 1100 0100 0111 0000 -> 110001 00011 10000 -> 49, 3, 16 -> STORE R16, (R14+$0C) +//F1B140: +if (totalFrames >= 377 && GET16(dsp_ram_8, 0x0002F6) == 0xAC38 && dsp_pc == 0xF1B140) +{ + doDSPDis = true; + WriteLog("Starting disassembly at frame #%u...\n", totalFrames); +} +if (dsp_pc == 0xF1B092) + doDSPDis = false;//*/ +/*if (dsp_pc == 0xF1B140) + doDSPDis = true;//*/ + + if (IMASKCleared) // If IMASK was cleared, + { +#ifdef DSP_DEBUG_IRQ + WriteLog("DSP: Finished interrupt.\n"); +#endif + DSPHandleIRQsNP(); // See if any other interrupts are pending! + IMASKCleared = false; + } + /*if (badWrite) { WriteLog("\nDSP: Encountered bad write in Atari Synth module. PC=%08X, R15=%08X\n", dsp_pc, dsp_reg[15]); @@ -1207,7 +1757,7 @@ if ((dsp_pc < 0xF1B000 || dsp_pc > 0xF1CFFE) && !tripwire) static void dsp_opcode_jump(void) { #ifdef DSP_DIS_JUMP -char * condition[32] = +const char * condition[32] = { "T", "nz", "z", "???", "nc", "nc nz", "nc z", "???", "c", "c nz", "c z", "???", "???", "???", "???", "???", "???", "???", "???", "???", "nn", "nn nz", "nn z", "???", "n", "n nz", "n z", "???", @@ -1242,7 +1792,7 @@ char * condition[32] = static void dsp_opcode_jr(void) { #ifdef DSP_DIS_JR -char * condition[32] = +const char * condition[32] = { "T", "nz", "z", "???", "nc", "nc nz", "nc z", "???", "c", "c nz", "c z", "???", "???", "???", "???", "???", "???", "???", "???", "???", "nn", "nn nz", "nn z", "???", "n", "n nz", "n z", "???", @@ -1281,7 +1831,7 @@ static void dsp_opcode_add(void) if (doDSPDis) WriteLog("%06X: ADD R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif - UINT32 res = RN + RM; + uint32 res = RN + RM; SET_ZNC_ADD(RN, RM, res); RN = res; #ifdef DSP_DIS_ADD @@ -1296,8 +1846,8 @@ static void dsp_opcode_addc(void) if (doDSPDis) WriteLog("%06X: ADDC R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif - UINT32 res = RN + RM + dsp_flag_c; - UINT32 carry = dsp_flag_c; + uint32 res = RN + RM + dsp_flag_c; + uint32 carry = dsp_flag_c; // SET_ZNC_ADD(RN, RM, res); //???BUG??? Yes! SET_ZNC_ADD(RN + carry, RM, res); // SET_ZNC_ADD(RN, RM + carry, res); @@ -1314,8 +1864,8 @@ static void dsp_opcode_addq(void) if (doDSPDis) WriteLog("%06X: ADDQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 r1 = dsp_convert_zero[IMM_1]; - UINT32 res = RN + r1; + uint32 r1 = dsp_convert_zero[IMM_1]; + uint32 res = RN + r1; CLR_ZNC; SET_ZNC_ADD(RN, r1, res); RN = res; #ifdef DSP_DIS_ADDQ @@ -1330,7 +1880,7 @@ static void dsp_opcode_sub(void) if (doDSPDis) WriteLog("%06X: SUB R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif - UINT32 res = RN - RM; + uint32 res = RN - RM; SET_ZNC_SUB(RN, RM, res); RN = res; #ifdef DSP_DIS_SUB @@ -1345,8 +1895,8 @@ static void dsp_opcode_subc(void) if (doDSPDis) WriteLog("%06X: SUBC R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif - UINT32 res = RN - RM - dsp_flag_c; - UINT32 borrow = dsp_flag_c; + uint32 res = RN - RM - dsp_flag_c; + uint32 borrow = dsp_flag_c; SET_ZNC_SUB(RN - borrow, RM, res); RN = res; #ifdef DSP_DIS_SUBC @@ -1361,8 +1911,8 @@ static void dsp_opcode_subq(void) if (doDSPDis) WriteLog("%06X: SUBQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 r1 = dsp_convert_zero[IMM_1]; - UINT32 res = RN - r1; + uint32 r1 = dsp_convert_zero[IMM_1]; + uint32 res = RN - r1; SET_ZNC_SUB(RN, r1, res); RN = res; #ifdef DSP_DIS_SUBQ @@ -1377,7 +1927,7 @@ static void dsp_opcode_cmp(void) if (doDSPDis) WriteLog("%06X: CMP R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif - UINT32 res = RN - RM; + uint32 res = RN - RM; SET_ZNC_SUB(RN, RM, res); #ifdef DSP_DIS_CMP if (doDSPDis) @@ -1393,8 +1943,8 @@ static void dsp_opcode_cmpq(void) if (doDSPDis) WriteLog("%06X: CMPQ #%d, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, sqtable[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 r1 = sqtable[IMM_1 & 0x1F]; // I like this better -> (INT8)(jaguar.op >> 2) >> 3; - UINT32 res = RN - r1; + uint32 r1 = sqtable[IMM_1 & 0x1F]; // I like this better -> (INT8)(jaguar.op >> 2) >> 3; + uint32 res = RN - r1; SET_ZNC_SUB(RN, r1, res); #ifdef DSP_DIS_CMPQ if (doDSPDis) @@ -1448,13 +1998,13 @@ static void dsp_opcode_not(void) { #ifdef DSP_DIS_NOT if (doDSPDis) - WriteLog("%06X: NOT R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); + WriteLog("%06X: NOT R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif RN = ~RN; SET_ZN(RN); #ifdef DSP_DIS_NOT if (doDSPDis) - WriteLog("[NCZ:%u%u%u, R%02u=%08X, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); + WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif } @@ -1469,7 +2019,11 @@ static void dsp_opcode_store_r14_indexed(void) if (doDSPDis) WriteLog("%06X: STORE R%02u, (R14+$%02X) [NCZ:%u%u%u, R%02u=%08X, R14+$%02X=%08X]\n", dsp_pc-2, IMM_2, dsp_convert_zero[IMM_1] << 2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN, dsp_convert_zero[IMM_1] << 2, dsp_reg[14]+(dsp_convert_zero[IMM_1] << 2)); #endif +#ifdef DSP_CORRECT_ALIGNMENT_STORE + DSPWriteLong((dsp_reg[14] & 0xFFFFFFFC) + (dsp_convert_zero[IMM_1] << 2), RN, DSP); +#else DSPWriteLong(dsp_reg[14] + (dsp_convert_zero[IMM_1] << 2), RN, DSP); +#endif } static void dsp_opcode_store_r15_indexed(void) @@ -1478,7 +2032,11 @@ static void dsp_opcode_store_r15_indexed(void) if (doDSPDis) WriteLog("%06X: STORE R%02u, (R15+$%02X) [NCZ:%u%u%u, R%02u=%08X, R15+$%02X=%08X]\n", dsp_pc-2, IMM_2, dsp_convert_zero[IMM_1] << 2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN, dsp_convert_zero[IMM_1] << 2, dsp_reg[15]+(dsp_convert_zero[IMM_1] << 2)); #endif +#ifdef DSP_CORRECT_ALIGNMENT_STORE + DSPWriteLong((dsp_reg[15] & 0xFFFFFFFC) + (dsp_convert_zero[IMM_1] << 2), RN, DSP); +#else DSPWriteLong(dsp_reg[15] + (dsp_convert_zero[IMM_1] << 2), RN, DSP); +#endif } static void dsp_opcode_load_r14_ri(void) @@ -1487,7 +2045,11 @@ static void dsp_opcode_load_r14_ri(void) if (doDSPDis) WriteLog("%06X: LOAD (R14+R%02u), R%02u [NCZ:%u%u%u, R14+R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM+dsp_reg[14], IMM_2, RN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + RN = DSPReadLong((dsp_reg[14] + RM) & 0xFFFFFFFC, DSP); +#else RN = DSPReadLong(dsp_reg[14] + RM, DSP); +#endif #ifdef DSP_DIS_LOAD14R if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); @@ -1500,7 +2062,11 @@ static void dsp_opcode_load_r15_ri(void) if (doDSPDis) WriteLog("%06X: LOAD (R15+R%02u), R%02u [NCZ:%u%u%u, R15+R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM+dsp_reg[15], IMM_2, RN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + RN = DSPReadLong((dsp_reg[15] + RM) & 0xFFFFFFFC, DSP); +#else RN = DSPReadLong(dsp_reg[15] + RM, DSP); +#endif #ifdef DSP_DIS_LOAD15R if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); @@ -1543,10 +2109,17 @@ static void dsp_opcode_storew(void) if (doDSPDis) WriteLog("%06X: STOREW R%02u, (R%02u) [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X]\n", dsp_pc-2, IMM_2, IMM_1, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN, IMM_1, RM); #endif +#ifdef DSP_CORRECT_ALIGNMENT_STORE + if (RM >= DSP_WORK_RAM_BASE && RM <= (DSP_WORK_RAM_BASE + 0x1FFF)) + DSPWriteLong(RM & 0xFFFFFFFE, RN & 0xFFFF, DSP); + else + JaguarWriteWord(RM & 0xFFFFFFFE, RN, DSP); +#else if (RM >= DSP_WORK_RAM_BASE && RM <= (DSP_WORK_RAM_BASE + 0x1FFF)) DSPWriteLong(RM, RN & 0xFFFF, DSP); else JaguarWriteWord(RM, RN, DSP); +#endif } static void dsp_opcode_store(void) @@ -1555,7 +2128,11 @@ static void dsp_opcode_store(void) if (doDSPDis) WriteLog("%06X: STORE R%02u, (R%02u) [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X]\n", dsp_pc-2, IMM_2, IMM_1, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN, IMM_1, RM); #endif +#ifdef DSP_CORRECT_ALIGNMENT_STORE + DSPWriteLong(RM & 0xFFFFFFFC, RN, DSP); +#else DSPWriteLong(RM, RN, DSP); +#endif } static void dsp_opcode_loadb(void) @@ -1580,10 +2157,17 @@ static void dsp_opcode_loadw(void) if (doDSPDis) WriteLog("%06X: LOADW (R%02u), R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + if (RM >= DSP_WORK_RAM_BASE && RM <= (DSP_WORK_RAM_BASE + 0x1FFF)) + RN = DSPReadLong(RM & 0xFFFFFFFE, DSP) & 0xFFFF; + else + RN = JaguarReadWord(RM & 0xFFFFFFFE, DSP); +#else if (RM >= DSP_WORK_RAM_BASE && RM <= (DSP_WORK_RAM_BASE + 0x1FFF)) RN = DSPReadLong(RM, DSP) & 0xFFFF; else RN = JaguarReadWord(RM, DSP); +#endif #ifdef DSP_DIS_LOADW if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); @@ -1596,7 +2180,11 @@ static void dsp_opcode_load(void) if (doDSPDis) WriteLog("%06X: LOAD (R%02u), R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + RN = DSPReadLong(RM & 0xFFFFFFFC, DSP); +#else RN = DSPReadLong(RM, DSP); +#endif #ifdef DSP_DIS_LOAD if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); @@ -1609,7 +2197,11 @@ static void dsp_opcode_load_r14_indexed(void) if (doDSPDis) WriteLog("%06X: LOAD (R14+$%02X), R%02u [NCZ:%u%u%u, R14+$%02X=%08X, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1] << 2, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, dsp_convert_zero[IMM_1] << 2, dsp_reg[14]+(dsp_convert_zero[IMM_1] << 2), IMM_2, RN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + RN = DSPReadLong((dsp_reg[14] & 0xFFFFFFFC) + (dsp_convert_zero[IMM_1] << 2), DSP); +#else RN = DSPReadLong(dsp_reg[14] + (dsp_convert_zero[IMM_1] << 2), DSP); +#endif #ifdef DSP_DIS_LOAD14I if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); @@ -1622,7 +2214,11 @@ static void dsp_opcode_load_r15_indexed(void) if (doDSPDis) WriteLog("%06X: LOAD (R15+$%02X), R%02u [NCZ:%u%u%u, R15+$%02X=%08X, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1] << 2, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, dsp_convert_zero[IMM_1] << 2, dsp_reg[15]+(dsp_convert_zero[IMM_1] << 2), IMM_2, RN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + RN = DSPReadLong((dsp_reg[15] & 0xFFFFFFFC) + (dsp_convert_zero[IMM_1] << 2), DSP); +#else RN = DSPReadLong(dsp_reg[15] + (dsp_convert_zero[IMM_1] << 2), DSP); +#endif #ifdef DSP_DIS_LOAD15I if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); @@ -1743,7 +2339,7 @@ static void dsp_opcode_bclr(void) if (doDSPDis) WriteLog("%06X: BCLR #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 res = RN & ~(1 << IMM_1); + uint32 res = RN & ~(1 << IMM_1); RN = res; SET_ZN(res); #ifdef DSP_DIS_BCLR @@ -1771,7 +2367,7 @@ static void dsp_opcode_bset(void) if (doDSPDis) WriteLog("%06X: BSET #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 res = RN | (1 << IMM_1); + uint32 res = RN | (1 << IMM_1); RN = res; SET_ZN(res); #ifdef DSP_DIS_BSET @@ -1819,11 +2415,11 @@ static void dsp_opcode_imacn(void) if (doDSPDis) WriteLog("[NCZ:%u%u%u, DSP_ACC=%02X%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, (uint8)(dsp_acc >> 32), (uint32)(dsp_acc & 0xFFFFFFFF)); #endif -} +} static void dsp_opcode_mtoi(void) { - RN = (((INT32)RM >> 8) & 0xFF800000) | (RM & 0x007FFFFF); + RN = (((int32)RM >> 8) & 0xFF800000) | (RM & 0x007FFFFF); SET_ZN(RN); } @@ -1852,14 +2448,14 @@ static void dsp_opcode_normi(void) static void dsp_opcode_mmult(void) { int count = dsp_matrix_control&0x0f; - uint32 addr = dsp_pointer_to_matrix; // in the gpu ram + uint32 addr = dsp_pointer_to_matrix; // in the dsp ram int64 accum = 0; uint32 res; if (!(dsp_matrix_control & 0x10)) { for (int i = 0; i < count; i++) - { + { int16 a; if (i&0x01) a=(int16)((dsp_alternate_reg[dsp_opcode_first_parameter + (i>>1)]>>16)&0xffff); @@ -1892,9 +2488,13 @@ static void dsp_opcode_mmult(void) static void dsp_opcode_abs(void) { +#ifdef DSP_DIS_ABS + if (doDSPDis) + WriteLog("%06X: ABS R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); +#endif uint32 _Rn = RN; uint32 res; - + if (_Rn == 0x80000000) dsp_flag_n = 1; else @@ -1903,6 +2503,10 @@ static void dsp_opcode_abs(void) res = RN = (_Rn & 0x80000000 ? -_Rn : _Rn); CLR_ZN; SET_Z(res); } +#ifdef DSP_DIS_ABS + if (doDSPDis) + WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); +#endif } static void dsp_opcode_div(void) @@ -1953,7 +2557,7 @@ static void dsp_opcode_neg(void) if (doDSPDis) WriteLog("%06X: NEG R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 res = -RN; + uint32 res = -RN; SET_ZNC_SUB(0, RN, res); RN = res; #ifdef DSP_DIS_NEG @@ -1968,8 +2572,8 @@ static void dsp_opcode_shlq(void) if (doDSPDis) WriteLog("%06X: SHLQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, 32 - IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - INT32 r1 = 32 - IMM_1; - UINT32 res = RN << r1; + int32 r1 = 32 - IMM_1; + uint32 res = RN << r1; SET_ZN(res); dsp_flag_c = (RN >> 31) & 1; RN = res; #ifdef DSP_DIS_SHLQ @@ -1984,8 +2588,8 @@ static void dsp_opcode_shrq(void) if (doDSPDis) WriteLog("%06X: SHRQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - INT32 r1 = dsp_convert_zero[IMM_1]; - UINT32 res = RN >> r1; + int32 r1 = dsp_convert_zero[IMM_1]; + uint32 res = RN >> r1; SET_ZN(res); dsp_flag_c = RN & 1; RN = res; #ifdef DSP_DIS_SHRQ @@ -2000,8 +2604,8 @@ static void dsp_opcode_ror(void) if (doDSPDis) WriteLog("%06X: ROR R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", dsp_pc-2, IMM_1, IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_1, RM, IMM_2, RN); #endif - UINT32 r1 = RM & 0x1F; - UINT32 res = (RN >> r1) | (RN << (32 - r1)); + uint32 r1 = RM & 0x1F; + uint32 res = (RN >> r1) | (RN << (32 - r1)); SET_ZN(res); dsp_flag_c = (RN >> 31) & 1; RN = res; #ifdef DSP_DIS_ROR @@ -2016,9 +2620,9 @@ static void dsp_opcode_rorq(void) if (doDSPDis) WriteLog("%06X: RORQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 r1 = dsp_convert_zero[IMM_1 & 0x1F]; - UINT32 r2 = RN; - UINT32 res = (r2 >> r1) | (r2 << (32 - r1)); + uint32 r1 = dsp_convert_zero[IMM_1 & 0x1F]; + uint32 r2 = RN; + uint32 res = (r2 >> r1) | (r2 << (32 - r1)); RN = res; SET_ZN(res); dsp_flag_c = (r2 >> 31) & 0x01; #ifdef DSP_DIS_RORQ @@ -2064,7 +2668,7 @@ static void dsp_opcode_sharq(void) if (doDSPDis) WriteLog("%06X: SHARQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN); #endif - UINT32 res = (INT32)RN >> dsp_convert_zero[IMM_1]; + uint32 res = (int32)RN >> dsp_convert_zero[IMM_1]; SET_ZN(res); dsp_flag_c = RN & 0x01; RN = res; #ifdef DSP_DIS_SHARQ @@ -2110,9 +2714,9 @@ void dsp_opcode_addqmod(void) if (doDSPDis) WriteLog("%06X: ADDQMOD #%u, R%02u [NCZ:%u%u%u, R%02u=%08X, DSP_MOD=%08X] -> ", dsp_pc-2, dsp_convert_zero[IMM_1], IMM_2, dsp_flag_n, dsp_flag_c, dsp_flag_z, IMM_2, RN, dsp_modulo); #endif - UINT32 r1 = dsp_convert_zero[IMM_1]; - UINT32 r2 = RN; - UINT32 res = r2 + r1; + uint32 r1 = dsp_convert_zero[IMM_1]; + uint32 r2 = RN; + uint32 res = r2 + r1; res = (res & (~dsp_modulo)) | (r2 & dsp_modulo); RN = res; SET_ZNC_ADD(r2, r1, res); @@ -2122,37 +2726,37 @@ void dsp_opcode_addqmod(void) #endif } -void dsp_opcode_subqmod(void) +void dsp_opcode_subqmod(void) { - UINT32 r1 = dsp_convert_zero[IMM_1]; - UINT32 r2 = RN; - UINT32 res = r2 - r1; + uint32 r1 = dsp_convert_zero[IMM_1]; + uint32 r2 = RN; + uint32 res = r2 - r1; res = (res & (~dsp_modulo)) | (r2 & dsp_modulo); RN = res; - + SET_ZNC_SUB(r2, r1, res); } -void dsp_opcode_mirror(void) +void dsp_opcode_mirror(void) { - UINT32 r1 = RN; + uint32 r1 = RN; RN = (mirror_table[r1 & 0xFFFF] << 16) | mirror_table[r1 >> 16]; SET_ZN(RN); } -void dsp_opcode_sat32s(void) +void dsp_opcode_sat32s(void) { - INT32 r2 = (UINT32)RN; - INT32 temp = dsp_acc >> 32; - UINT32 res = (temp < -1) ? (INT32)0x80000000 : (temp > 0) ? (INT32)0x7FFFFFFF : r2; + int32 r2 = (uint32)RN; + int32 temp = dsp_acc >> 32; + uint32 res = (temp < -1) ? (int32)0x80000000 : (temp > 0) ? (int32)0x7FFFFFFF : r2; RN = res; SET_ZN(res); } -void dsp_opcode_sat16s(void) +void dsp_opcode_sat16s(void) { - INT32 r2 = RN; - UINT32 res = (r2 < -32768) ? -32768 : (r2 > 32767) ? 32767 : r2; + int32 r2 = RN; + uint32 res = (r2 < -32768) ? -32768 : (r2 > 32767) ? 32767 : r2; RN = res; SET_ZN(res); } @@ -2165,7 +2769,7 @@ static void DSP_abs(void); static void DSP_add(void); static void DSP_addc(void); static void DSP_addq(void); -static void DSP_addqmod(void); +static void DSP_addqmod(void); static void DSP_addqt(void); static void DSP_and(void); static void DSP_bclr(void); @@ -2187,7 +2791,7 @@ static void DSP_load_r14_i(void); static void DSP_load_r14_r(void); static void DSP_load_r15_i(void); static void DSP_load_r15_r(void); -static void DSP_mirror(void); +static void DSP_mirror(void); static void DSP_mmult(void); static void DSP_move(void); static void DSP_movefa(void); @@ -2205,8 +2809,8 @@ static void DSP_or(void); static void DSP_resmac(void); static void DSP_ror(void); static void DSP_rorq(void); -static void DSP_sat16s(void); -static void DSP_sat32s(void); +static void DSP_sat16s(void); +static void DSP_sat32s(void); static void DSP_sh(void); static void DSP_sha(void); static void DSP_sharq(void); @@ -2222,7 +2826,7 @@ static void DSP_store_r15_r(void); static void DSP_sub(void); static void DSP_subc(void); static void DSP_subq(void); -static void DSP_subqmod(void); +static void DSP_subqmod(void); static void DSP_subqt(void); static void DSP_xor(void); @@ -2272,6 +2876,21 @@ bool readAffected[64][2] = { true, true}, { true, true}, {false, false}, {false, true} }; +bool isLoadStore[65] = +{ + false, false, false, false, false, false, false, false, + false, false, false, false, false, false, false, false, + + false, false, false, false, false, false, false, false, + false, false, false, false, false, false, false, false, + + false, false, false, false, false, false, false, true, + true, true, false, true, true, true, true, true, + + false, true, true, false, false, false, false, false, + false, false, true, true, true, true, false, false, false +}; + void FlushDSPPipeline(void) { plPtrFetch = 3, plPtrRead = 2, plPtrExec = 1, plPtrWrite = 0; @@ -2280,7 +2899,7 @@ void FlushDSPPipeline(void) pipeline[i].opcode = PIPELINE_STALL; for(int i=0; i<32; i++) - scoreboard[i] = false; + scoreboard[i] = 0; } // @@ -2447,7 +3066,7 @@ because the STORE instruction writes back on stage #2 of the pipeline instead of If it were done properly, the STORE write back would occur *after* (well, technically, during) the execution of the the JUMP that follows it. -!!! FIX !!! +!!! FIX !!! [DONE] F1B08A: JR z, F1B082 [NCZ:001] Branched! F1B08A: NOP [NCZ:001] @@ -2547,8 +3166,9 @@ F1B016: NOP [NCZ:001] F1B1FC: MOVEI #$00F1A100, R01 [NCZ:001, R01=00F1A100] -> [NCZ:001, R01=00F1A100] */ - -//#define DSP_DEBUG_PL2 +uint32 pcQueue1[0x400]; +uint32 pcQPtr1 = 0; +static uint32 prevR1; //Let's try a 3 stage pipeline.... //Looks like 3 stage is correct, otherwise bad things happen... void DSPExecP2(int32 cycles) @@ -2558,6 +3178,54 @@ void DSPExecP2(int32 cycles) while (cycles > 0 && DSP_RUNNING) { +/*extern uint32 totalFrames; +//F1B2F6: LOAD (R14+$04), R24 [NCZ:001, R14+$04=00F20018, R24=FFFFFFFF] -> Jaguar: Unknown word read at 00F20018 by DSP (M68K PC=00E32E) +//-> 43 + 1 + 24 -> $2B + $01 + $18 -> 101011 00001 11000 -> 1010 1100 0011 1000 -> AC38 +//C470 -> 1100 0100 0111 0000 -> 110001 00011 10000 -> 49, 3, 16 -> STORE R16, (R14+$0C) +//F1B140: +if (totalFrames >= 377 && GET16(dsp_ram_8, 0x0002F6) == 0xAC38 && dsp_pc == 0xF1B140) +{ + doDSPDis = true; + WriteLog("Starting disassembly at frame #%u...\n", totalFrames); +} +if (dsp_pc == 0xF1B092) + doDSPDis = false;//*/ +/*if (totalFrames >= 373 && GET16(dsp_ram_8, 0x0002F6) == 0xAC38) + doDSPDis = true;//*/ +/*if (totalFrames >= 373 && dsp_pc == 0xF1B0A0) + doDSPDis = true;//*/ +/*if (dsp_pc == 0xF1B0A0) + doDSPDis = true;//*/ +/*if (dsp_pc == 0xF1B0D2) && dsp_reg[1] == 0x2140C) + doDSPDis = true;//*/ +//Two parter... (not sure how to write this) +//if (dsp_pc == 0xF1B0D2) +// prevR1 = dsp_reg[1]; + +//F1B0D2: ADDQT #8, R01 [NCZ:000, R01=0002140C] -> [NCZ:000, R01=00021414] +//F1B0D2: ADDQT #8, R01 [NCZ:000, R01=0002140C] -> [NCZ:000, R01=00021414] + + +pcQueue1[pcQPtr1++] = dsp_pc; +pcQPtr1 &= 0x3FF; + +#ifdef DSP_DEBUG_PL2 +if ((dsp_pc < 0xF1B000 || dsp_pc > 0xF1CFFF) && !doDSPDis) +{ + WriteLog("DSP: PC has stepped out of bounds...\n\nBacktrace:\n\n"); + doDSPDis = true; + + char buffer[512]; + + for(int i=0; i<0x400; i++) + { + dasmjag(JAGUAR_DSP, buffer, pcQueue1[(i + pcQPtr1) & 0x3FF]); + WriteLog("\t%08X: %s\n", pcQueue1[(i + pcQPtr1) & 0x3FF], buffer); + } + WriteLog("\n"); +}//*/ +#endif + if (IMASKCleared) // If IMASK was cleared, { #ifdef DSP_DEBUG_IRQ @@ -2570,6 +3238,8 @@ void DSPExecP2(int32 cycles) //if (dsp_flags & REGPAGE) // WriteLog(" --> REGPAGE has just been set!\n"); #ifdef DSP_DEBUG_PL2 +if (doDSPDis) +{ WriteLog("DSPExecP: Pipeline status [PC=%08X]...\n", dsp_pc); WriteLog("\tR -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrRead].opcode, pipeline[plPtrRead].operand1, pipeline[plPtrRead].operand2, pipeline[plPtrRead].reg1, pipeline[plPtrRead].reg2, pipeline[plPtrRead].result, pipeline[plPtrRead].writebackRegister, dsp_opcode_str[pipeline[plPtrRead].opcode]); WriteLog("\tE -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrExec].opcode, pipeline[plPtrExec].operand1, pipeline[plPtrExec].operand2, pipeline[plPtrExec].reg1, pipeline[plPtrExec].reg2, pipeline[plPtrExec].result, pipeline[plPtrExec].writebackRegister, dsp_opcode_str[pipeline[plPtrExec].opcode]); @@ -2578,6 +3248,7 @@ WriteLog(" --> Scoreboard: "); for(int i=0; i<32; i++) WriteLog("%s ", scoreboard[i] ? "T" : "F"); WriteLog("\n"); +} #endif // Stage 1a: Instruction fetch pipeline[plPtrRead].instruction = DSPReadWord(dsp_pc, DSP); @@ -2588,29 +3259,40 @@ WriteLog("\n"); pipeline[plPtrRead].result = (uint32)DSPReadWord(dsp_pc + 2, DSP) | ((uint32)DSPReadWord(dsp_pc + 4, DSP) << 16); #ifdef DSP_DEBUG_PL2 +if (doDSPDis) +{ WriteLog("DSPExecP: Fetching instruction (%04X) from DSP_PC = %08X...\n", pipeline[plPtrRead].instruction, dsp_pc); WriteLog("DSPExecP: Pipeline status (after stage 1a) [PC=%08X]...\n", dsp_pc); WriteLog("\tR -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrRead].opcode, pipeline[plPtrRead].operand1, pipeline[plPtrRead].operand2, pipeline[plPtrRead].reg1, pipeline[plPtrRead].reg2, pipeline[plPtrRead].result, pipeline[plPtrRead].writebackRegister, dsp_opcode_str[pipeline[plPtrRead].opcode]); WriteLog("\tE -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrExec].opcode, pipeline[plPtrExec].operand1, pipeline[plPtrExec].operand2, pipeline[plPtrExec].reg1, pipeline[plPtrExec].reg2, pipeline[plPtrExec].result, pipeline[plPtrExec].writebackRegister, dsp_opcode_str[pipeline[plPtrExec].opcode]); WriteLog("\tW -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrWrite].opcode, pipeline[plPtrWrite].operand1, pipeline[plPtrWrite].operand2, pipeline[plPtrWrite].reg1, pipeline[plPtrWrite].reg2, pipeline[plPtrWrite].result, pipeline[plPtrWrite].writebackRegister, dsp_opcode_str[pipeline[plPtrWrite].opcode]); +} #endif // Stage 1b: Read registers //Small problem--when say LOAD or STORE (R14/5+$nn) is executed AFTER an instruction that //modifies R14/5, we don't check the scoreboard for R14/5 (and we need to!)... !!! FIX !!! //Ugly, but [DONE] +//Another problem: Any sequential combination of LOAD and STORE operations will cause the +//pipeline to stall, and we don't take care of that here. !!! FIX !!! if ((scoreboard[pipeline[plPtrRead].operand1] && readAffected[pipeline[plPtrRead].opcode][0]) || (scoreboard[pipeline[plPtrRead].operand2] && readAffected[pipeline[plPtrRead].opcode][1]) || ((pipeline[plPtrRead].opcode == 43 || pipeline[plPtrRead].opcode == 58) && scoreboard[14]) - || ((pipeline[plPtrRead].opcode == 44 || pipeline[plPtrRead].opcode == 59) && scoreboard[15])) + || ((pipeline[plPtrRead].opcode == 44 || pipeline[plPtrRead].opcode == 59) && scoreboard[15]) +//Not sure that this is the best way to fix the LOAD/STORE problem... But it seems to +//work--somewhat... + || (isLoadStore[pipeline[plPtrRead].opcode] && isLoadStore[pipeline[plPtrExec].opcode])) // We have a hit in the scoreboard, so we have to stall the pipeline... #ifdef DSP_DEBUG_PL2 { +if (doDSPDis) +{ WriteLog(" --> Stalling pipeline: "); if (readAffected[pipeline[plPtrRead].opcode][0]) WriteLog("scoreboard[%u] = %s (reg 1) ", pipeline[plPtrRead].operand1, scoreboard[pipeline[plPtrRead].operand1] ? "true" : "false"); if (readAffected[pipeline[plPtrRead].opcode][1]) WriteLog("scoreboard[%u] = %s (reg 2)", pipeline[plPtrRead].operand2, scoreboard[pipeline[plPtrRead].operand2] ? "true" : "false"); WriteLog("\n"); +} #endif pipeline[plPtrRead].opcode = PIPELINE_STALL; #ifdef DSP_DEBUG_PL2 @@ -2624,47 +3306,84 @@ WriteLog("\n"); // Shouldn't we be more selective with the register scoreboarding? // Yes, we should. !!! FIX !!! Kinda [DONE] +#ifndef NEW_SCOREBOARD scoreboard[pipeline[plPtrRead].operand2] = affectsScoreboard[pipeline[plPtrRead].opcode]; +#else +//Hopefully this will fix the dual MOVEQ # problem... + scoreboard[pipeline[plPtrRead].operand2] += (affectsScoreboard[pipeline[plPtrRead].opcode] ? 1 : 0); +#endif //Advance PC here??? Yes. dsp_pc += (pipeline[plPtrRead].opcode == 38 ? 6 : 2); } #ifdef DSP_DEBUG_PL2 +if (doDSPDis) +{ WriteLog("DSPExecP: Pipeline status (after stage 1b) [PC=%08X]...\n", dsp_pc); WriteLog("\tR -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrRead].opcode, pipeline[plPtrRead].operand1, pipeline[plPtrRead].operand2, pipeline[plPtrRead].reg1, pipeline[plPtrRead].reg2, pipeline[plPtrRead].result, pipeline[plPtrRead].writebackRegister, dsp_opcode_str[pipeline[plPtrRead].opcode]); WriteLog("\tE -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrExec].opcode, pipeline[plPtrExec].operand1, pipeline[plPtrExec].operand2, pipeline[plPtrExec].reg1, pipeline[plPtrExec].reg2, pipeline[plPtrExec].result, pipeline[plPtrExec].writebackRegister, dsp_opcode_str[pipeline[plPtrExec].opcode]); WriteLog("\tW -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrWrite].opcode, pipeline[plPtrWrite].operand1, pipeline[plPtrWrite].operand2, pipeline[plPtrWrite].reg1, pipeline[plPtrWrite].reg2, pipeline[plPtrWrite].result, pipeline[plPtrWrite].writebackRegister, dsp_opcode_str[pipeline[plPtrWrite].opcode]); +} #endif // Stage 2: Execute if (pipeline[plPtrExec].opcode != PIPELINE_STALL) { #ifdef DSP_DEBUG_PL2 +if (doDSPDis) + WriteLog("\t[inst=%02u][R28=%08X, alt R28=%08X, REGPAGE=%s]\n", pipeline[plPtrExec].opcode, dsp_reg[28], dsp_alternate_reg[28], (dsp_flags & REGPAGE ? "set" : "not set")); + +if (doDSPDis) +{ WriteLog("DSPExecP: About to execute opcode %s...\n", dsp_opcode_str[pipeline[plPtrExec].opcode]); +} +#endif +//CC only! +#ifdef DSP_DEBUG_CC +lastExec = pipeline[plPtrExec].instruction; +//WriteLog("[lastExec = %04X]\n", lastExec); #endif + cycles -= dsp_opcode_cycles[pipeline[plPtrExec].opcode]; + dsp_opcode_use[pipeline[plPtrExec].opcode]++; DSPOpcode[pipeline[plPtrExec].opcode](); //WriteLog(" --> Returned from execute. DSP_PC: %08X\n", dsp_pc); - dsp_opcode_use[pipeline[plPtrExec].opcode]++; - cycles -= dsp_opcode_cycles[pipeline[plPtrExec].opcode]; } else { - cycles--; +//Let's not, until we do the stalling correctly... +//But, we gotta while we're doing the comparison core...! +//Or do we? cycles--; +//Really, the whole thing is wrong. When the pipeline is correctly stuffed, most instructions +//will execute in one clock cycle (others, like DIV, will likely not). So, the challenge is +//to model this clock cycle behavior correctly... +//Also, the pipeline stalls too much--mostly because the transparent writebacks at stage 3 +//don't affect the reads at stage 1... #ifdef DSP_DEBUG_STALL -WriteLog("[STALL...]\n"); +if (doDSPDis) + WriteLog("[STALL... DSP_PC = %08X]\n", dsp_pc); #endif } #ifdef DSP_DEBUG_PL2 +if (doDSPDis) +{ WriteLog("DSPExecP: Pipeline status (after stage 2) [PC=%08X]...\n", dsp_pc); WriteLog("\tR -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrRead].opcode, pipeline[plPtrRead].operand1, pipeline[plPtrRead].operand2, pipeline[plPtrRead].reg1, pipeline[plPtrRead].reg2, pipeline[plPtrRead].result, pipeline[plPtrRead].writebackRegister, dsp_opcode_str[pipeline[plPtrRead].opcode]); WriteLog("\tE -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrExec].opcode, pipeline[plPtrExec].operand1, pipeline[plPtrExec].operand2, pipeline[plPtrExec].reg1, pipeline[plPtrExec].reg2, pipeline[plPtrExec].result, pipeline[plPtrExec].writebackRegister, dsp_opcode_str[pipeline[plPtrExec].opcode]); WriteLog("\tW -> %02u, %02u, %02u; r1=%08X, r2= %08X, res=%08X, wb=%u (%s)\n", pipeline[plPtrWrite].opcode, pipeline[plPtrWrite].operand1, pipeline[plPtrWrite].operand2, pipeline[plPtrWrite].reg1, pipeline[plPtrWrite].reg2, pipeline[plPtrWrite].result, pipeline[plPtrWrite].writebackRegister, dsp_opcode_str[pipeline[plPtrWrite].opcode]); WriteLog("\n"); +} #endif // Stage 3: Write back register/memory address if (pipeline[plPtrWrite].opcode != PIPELINE_STALL) { +/*if (pipeline[plPtrWrite].writebackRegister == 3 + && (pipeline[plPtrWrite].result < 0xF14000 || pipeline[plPtrWrite].result > 0xF1CFFF) + && !doDSPDis) +{ + WriteLog("DSP: Register R03 has stepped out of bounds...\n\n"); + doDSPDis = true; +}//*/ if (pipeline[plPtrWrite].writebackRegister != 0xFF) { if (pipeline[plPtrWrite].writebackRegister != 0xFE) @@ -2680,8 +3399,15 @@ WriteLog("\n"); } } +#ifndef NEW_SCOREBOARD if (affectsScoreboard[pipeline[plPtrWrite].opcode]) scoreboard[pipeline[plPtrWrite].operand2] = false; +#else +//Yup, sequential MOVEQ # problem fixing (I hope!)... + if (affectsScoreboard[pipeline[plPtrWrite].opcode]) + if (scoreboard[pipeline[plPtrWrite].operand2]) + scoreboard[pipeline[plPtrWrite].operand2]--; +#endif } // Push instructions through the pipeline... @@ -2822,10 +3548,10 @@ static void DSP_abs(void) { #ifdef DSP_DIS_ABS if (doDSPDis) - WriteLog("%06X: ABS R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); + WriteLog("%06X: ABS R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif uint32 _Rn = PRN; - + if (_Rn == 0x80000000) dsp_flag_n = 1; else @@ -2846,7 +3572,7 @@ static void DSP_add(void) if (doDSPDis) WriteLog("%06X: ADD R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif - UINT32 res = PRN + PRM; + uint32 res = PRN + PRM; SET_ZNC_ADD(PRN, PRM, res); PRES = res; #ifdef DSP_DIS_ADD @@ -2861,8 +3587,8 @@ static void DSP_addc(void) if (doDSPDis) WriteLog("%06X: ADDC R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif - UINT32 res = PRN + PRM + dsp_flag_c; - UINT32 carry = dsp_flag_c; + uint32 res = PRN + PRM + dsp_flag_c; + uint32 carry = dsp_flag_c; // SET_ZNC_ADD(PRN, PRM, res); //???BUG??? Yes! SET_ZNC_ADD(PRN + carry, PRM, res); // SET_ZNC_ADD(PRN, PRM + carry, res); @@ -2879,8 +3605,8 @@ static void DSP_addq(void) if (doDSPDis) WriteLog("%06X: ADDQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - UINT32 r1 = dsp_convert_zero[PIMM1]; - UINT32 res = PRN + r1; + uint32 r1 = dsp_convert_zero[PIMM1]; + uint32 res = PRN + r1; CLR_ZNC; SET_ZNC_ADD(PRN, r1, res); PRES = res; #ifdef DSP_DIS_ADDQ @@ -2895,9 +3621,9 @@ static void DSP_addqmod(void) if (doDSPDis) WriteLog("%06X: ADDQMOD #%u, R%02u [NCZ:%u%u%u, R%02u=%08X, DSP_MOD=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN, dsp_modulo); #endif - UINT32 r1 = dsp_convert_zero[PIMM1]; - UINT32 r2 = PRN; - UINT32 res = r2 + r1; + uint32 r1 = dsp_convert_zero[PIMM1]; + uint32 r2 = PRN; + uint32 res = r2 + r1; res = (res & (~dsp_modulo)) | (r2 & dsp_modulo); PRES = res; SET_ZNC_ADD(r2, r1, res); @@ -2972,7 +3698,7 @@ static void DSP_btst(void) NO_WRITEBACK; #ifdef DSP_DIS_BTST if (doDSPDis) - WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); + WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif } @@ -2982,7 +3708,7 @@ static void DSP_cmp(void) if (doDSPDis) WriteLog("%06X: CMP R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif - UINT32 res = PRN - PRM; + uint32 res = PRN - PRM; SET_ZNC_SUB(PRN, PRM, res); NO_WRITEBACK; #ifdef DSP_DIS_CMP @@ -2999,8 +3725,8 @@ static void DSP_cmpq(void) if (doDSPDis) WriteLog("%06X: CMPQ #%d, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, sqtable[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - UINT32 r1 = sqtable[PIMM1 & 0x1F]; // I like this better -> (INT8)(jaguar.op >> 2) >> 3; - UINT32 res = PRN - r1; + uint32 r1 = sqtable[PIMM1 & 0x1F]; // I like this better -> (INT8)(jaguar.op >> 2) >> 3; + uint32 res = PRN - r1; SET_ZNC_SUB(PRN, r1, res); NO_WRITEBACK; #ifdef DSP_DIS_CMPQ @@ -3048,7 +3774,7 @@ static void DSP_imacn(void) if (doDSPDis) WriteLog("[NCZ:%u%u%u, DSP_ACC=%02X%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, (uint8)(dsp_acc >> 32), (uint32)(dsp_acc & 0xFFFFFFFF)); #endif -} +} static void DSP_imult(void) { @@ -3098,13 +3824,14 @@ static void DSP_illegal(void) static void DSP_jr(void) { #ifdef DSP_DIS_JR -char * condition[32] = +const char * condition[32] = { "T", "nz", "z", "???", "nc", "nc nz", "nc z", "???", "c", "c nz", "c z", "???", "???", "???", "???", "???", "???", "???", "???", "???", "nn", "nn nz", "nn z", "???", "n", "n nz", "n z", "???", "???", "???", "???", "F" }; if (doDSPDis) - WriteLog("%06X: JR %s, %06X [NCZ:%u%u%u] ", DSP_PPC, condition[PIMM2], dsp_pc+((PIMM1 & 0x10 ? 0xFFFFFFF0 | PIMM1 : PIMM1) * 2), dsp_flag_n, dsp_flag_c, dsp_flag_z); +//How come this is always off by 2??? + WriteLog("%06X: JR %s, %06X [NCZ:%u%u%u] ", DSP_PPC, condition[PIMM2], DSP_PPC+((PIMM1 & 0x10 ? 0xFFFFFFF0 | PIMM1 : PIMM1) * 2)+2, dsp_flag_n, dsp_flag_c, dsp_flag_z); #endif // KLUDGE: Used by BRANCH_CONDITION macro uint32 jaguar_flags = (dsp_flag_n << 2) | (dsp_flag_c << 1) | dsp_flag_z; @@ -3123,7 +3850,7 @@ char * condition[32] = // Now that we've branched, we have to make sure that the following instruction // is executed atomically with this one and then flush the pipeline before setting // the new PC. - + // Step 1: Handle writebacks at stage 3 of pipeline /* if (pipeline[plPtrWrite].opcode != PIPELINE_STALL) { @@ -3150,8 +3877,15 @@ char * condition[32] = } } +#ifndef NEW_SCOREBOARD if (affectsScoreboard[pipeline[plPtrWrite].opcode]) scoreboard[pipeline[plPtrWrite].operand2] = false; +#else +//Yup, sequential MOVEQ # problem fixing (I hope!)... + if (affectsScoreboard[pipeline[plPtrWrite].opcode]) + if (scoreboard[pipeline[plPtrWrite].operand2]) + scoreboard[pipeline[plPtrWrite].operand2]--; +#endif } // Step 2: Push instruction through pipeline & execute following instruction @@ -3175,6 +3909,7 @@ char * condition[32] = pipeline[plPtrExec].reg2 = dsp_reg[pipeline[plPtrExec].operand2]; pipeline[plPtrExec].writebackRegister = pipeline[plPtrExec].operand2; // Set it to RN }//*/ + dsp_pc += 2; // For DSP_DIS_* accuracy DSPOpcode[pipeline[plPtrExec].opcode](); dsp_opcode_use[pipeline[plPtrExec].opcode]++; pipeline[plPtrWrite] = pipeline[plPtrExec]; @@ -3199,7 +3934,7 @@ char * condition[32] = static void DSP_jump(void) { #ifdef DSP_DIS_JUMP -char * condition[32] = +const char * condition[32] = { "T", "nz", "z", "???", "nc", "nc nz", "nc z", "???", "c", "c nz", "c z", "???", "???", "???", "???", "???", "???", "???", "???", "???", "nn", "nn nz", "nn z", "???", "n", "n nz", "n z", "???", @@ -3220,7 +3955,7 @@ char * condition[32] = // Now that we've branched, we have to make sure that the following instruction // is executed atomically with this one and then flush the pipeline before setting // the new PC. - + // Step 1: Handle writebacks at stage 3 of pipeline /* if (pipeline[plPtrWrite].opcode != PIPELINE_STALL) { @@ -3247,8 +3982,15 @@ char * condition[32] = } } +#ifndef NEW_SCOREBOARD if (affectsScoreboard[pipeline[plPtrWrite].opcode]) scoreboard[pipeline[plPtrWrite].operand2] = false; +#else +//Yup, sequential MOVEQ # problem fixing (I hope!)... + if (affectsScoreboard[pipeline[plPtrWrite].opcode]) + if (scoreboard[pipeline[plPtrWrite].operand2]) + scoreboard[pipeline[plPtrWrite].operand2]--; +#endif } // Step 2: Push instruction through pipeline & execute following instruction @@ -3273,6 +4015,7 @@ char * condition[32] = pipeline[plPtrExec].reg2 = dsp_reg[pipeline[plPtrExec].operand2]; pipeline[plPtrExec].writebackRegister = pipeline[plPtrExec].operand2; // Set it to RN }//*/ + dsp_pc += 2; // For DSP_DIS_* accuracy DSPOpcode[pipeline[plPtrExec].opcode](); dsp_opcode_use[pipeline[plPtrExec].opcode]++; pipeline[plPtrWrite] = pipeline[plPtrExec]; @@ -3299,7 +4042,11 @@ static void DSP_load(void) if (doDSPDis) WriteLog("%06X: LOAD (R%02u), R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + PRES = DSPReadLong(PRM & 0xFFFFFFFC, DSP); +#else PRES = DSPReadLong(PRM, DSP); +#endif #ifdef DSP_DIS_LOAD if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); @@ -3328,10 +4075,17 @@ static void DSP_loadw(void) if (doDSPDis) WriteLog("%06X: LOADW (R%02u), R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + if (PRM >= DSP_WORK_RAM_BASE && PRM <= (DSP_WORK_RAM_BASE + 0x1FFF)) + PRES = DSPReadLong(PRM & 0xFFFFFFFE, DSP) & 0xFFFF; + else + PRES = JaguarReadWord(PRM & 0xFFFFFFFE, DSP); +#else if (PRM >= DSP_WORK_RAM_BASE && PRM <= (DSP_WORK_RAM_BASE + 0x1FFF)) PRES = DSPReadLong(PRM, DSP) & 0xFFFF; else PRES = JaguarReadWord(PRM, DSP); +#endif #ifdef DSP_DIS_LOADW if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); @@ -3344,7 +4098,11 @@ static void DSP_load_r14_i(void) if (doDSPDis) WriteLog("%06X: LOAD (R14+$%02X), R%02u [NCZ:%u%u%u, R14+$%02X=%08X, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1] << 2, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, dsp_convert_zero[PIMM1] << 2, dsp_reg[14]+(dsp_convert_zero[PIMM1] << 2), PIMM2, PRN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + PRES = DSPReadLong((dsp_reg[14] & 0xFFFFFFFC) + (dsp_convert_zero[PIMM1] << 2), DSP); +#else PRES = DSPReadLong(dsp_reg[14] + (dsp_convert_zero[PIMM1] << 2), DSP); +#endif #ifdef DSP_DIS_LOAD14I if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); @@ -3357,7 +4115,11 @@ static void DSP_load_r14_r(void) if (doDSPDis) WriteLog("%06X: LOAD (R14+R%02u), R%02u [NCZ:%u%u%u, R14+R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM+dsp_reg[14], PIMM2, PRES); #endif +#ifdef DSP_CORRECT_ALIGNMENT + PRES = DSPReadLong((dsp_reg[14] + PRM) & 0xFFFFFFFC, DSP); +#else PRES = DSPReadLong(dsp_reg[14] + PRM, DSP); +#endif #ifdef DSP_DIS_LOAD14R if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); @@ -3370,7 +4132,11 @@ static void DSP_load_r15_i(void) if (doDSPDis) WriteLog("%06X: LOAD (R15+$%02X), R%02u [NCZ:%u%u%u, R15+$%02X=%08X, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1] << 2, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, dsp_convert_zero[PIMM1] << 2, dsp_reg[15]+(dsp_convert_zero[PIMM1] << 2), PIMM2, PRN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + PRES = DSPReadLong((dsp_reg[15] &0xFFFFFFFC) + (dsp_convert_zero[PIMM1] << 2), DSP); +#else PRES = DSPReadLong(dsp_reg[15] + (dsp_convert_zero[PIMM1] << 2), DSP); +#endif #ifdef DSP_DIS_LOAD15I if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); @@ -3383,16 +4149,20 @@ static void DSP_load_r15_r(void) if (doDSPDis) WriteLog("%06X: LOAD (R15+R%02u), R%02u [NCZ:%u%u%u, R15+R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM+dsp_reg[15], PIMM2, PRN); #endif +#ifdef DSP_CORRECT_ALIGNMENT + PRES = DSPReadLong((dsp_reg[15] + PRM) & 0xFFFFFFFC, DSP); +#else PRES = DSPReadLong(dsp_reg[15] + PRM, DSP); +#endif #ifdef DSP_DIS_LOAD15R if (doDSPDis) WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); #endif } -static void DSP_mirror(void) +static void DSP_mirror(void) { - UINT32 r1 = PRN; + uint32 r1 = PRN; PRES = (mirror_table[r1 & 0xFFFF] << 16) | mirror_table[r1 >> 16]; SET_ZN(PRES); } @@ -3400,14 +4170,14 @@ static void DSP_mirror(void) static void DSP_mmult(void) { int count = dsp_matrix_control&0x0f; - uint32 addr = dsp_pointer_to_matrix; // in the gpu ram + uint32 addr = dsp_pointer_to_matrix; // in the dsp ram int64 accum = 0; uint32 res; if (!(dsp_matrix_control & 0x10)) { for (int i = 0; i < count; i++) - { + { int16 a; if (i&0x01) a=(int16)((dsp_alternate_reg[dsp_opcode_first_parameter + (i>>1)]>>16)&0xffff); @@ -3485,8 +4255,18 @@ static void DSP_movei(void) static void DSP_movepc(void) { -//Need to fix this to take into account pipelining effects... !!! FIX !!! - PRES = dsp_pc - 2; +#ifdef DSP_DIS_MOVEPC + if (doDSPDis) + WriteLog("%06X: MOVE PC, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); +#endif +//Need to fix this to take into account pipelining effects... !!! FIX !!! [DONE] +// PRES = dsp_pc - 2; +//Account for pipeline effects... + PRES = dsp_pc - 2 - (pipeline[plPtrRead].opcode == 38 ? 6 : (pipeline[plPtrRead].opcode == PIPELINE_STALL ? 0 : 2)); +#ifdef DSP_DIS_MOVEPC + if (doDSPDis) + WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); +#endif } static void DSP_moveq(void) @@ -3521,7 +4301,7 @@ static void DSP_moveta(void) static void DSP_mtoi(void) { - PRES = (((INT32)PRM >> 8) & 0xFF800000) | (PRM & 0x007FFFFF); + PRES = (((int32)PRM >> 8) & 0xFF800000) | (PRM & 0x007FFFFF); SET_ZN(PRES); } @@ -3545,7 +4325,7 @@ static void DSP_neg(void) if (doDSPDis) WriteLog("%06X: NEG R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - UINT32 res = -PRN; + uint32 res = -PRN; SET_ZNC_SUB(0, PRN, res); PRES = res; #ifdef DSP_DIS_NEG @@ -3589,13 +4369,13 @@ static void DSP_not(void) { #ifdef DSP_DIS_NOT if (doDSPDis) - WriteLog("%06X: NOT R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); + WriteLog("%06X: NOT R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif PRES = ~PRN; SET_ZN(PRES); #ifdef DSP_DIS_NOT if (doDSPDis) - WriteLog("[NCZ:%u%u%u, R%02u=%08X, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRES); + WriteLog("[NCZ:%u%u%u, R%02u=%08X]\n", dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRES); #endif } @@ -3632,8 +4412,8 @@ static void DSP_ror(void) if (doDSPDis) WriteLog("%06X: ROR R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif - UINT32 r1 = PRM & 0x1F; - UINT32 res = (PRN >> r1) | (PRN << (32 - r1)); + uint32 r1 = PRM & 0x1F; + uint32 res = (PRN >> r1) | (PRN << (32 - r1)); SET_ZN(res); dsp_flag_c = (PRN >> 31) & 1; PRES = res; #ifdef DSP_DIS_ROR @@ -3648,9 +4428,9 @@ static void DSP_rorq(void) if (doDSPDis) WriteLog("%06X: RORQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - UINT32 r1 = dsp_convert_zero[PIMM1 & 0x1F]; - UINT32 r2 = PRN; - UINT32 res = (r2 >> r1) | (r2 << (32 - r1)); + uint32 r1 = dsp_convert_zero[PIMM1 & 0x1F]; + uint32 r2 = PRN; + uint32 res = (r2 >> r1) | (r2 << (32 - r1)); PRES = res; SET_ZN(res); dsp_flag_c = (r2 >> 31) & 0x01; #ifdef DSP_DIS_RORQ @@ -3659,19 +4439,19 @@ static void DSP_rorq(void) #endif } -static void DSP_sat16s(void) +static void DSP_sat16s(void) { - INT32 r2 = PRN; - UINT32 res = (r2 < -32768) ? -32768 : (r2 > 32767) ? 32767 : r2; + int32 r2 = PRN; + uint32 res = (r2 < -32768) ? -32768 : (r2 > 32767) ? 32767 : r2; PRES = res; SET_ZN(res); } -static void DSP_sat32s(void) +static void DSP_sat32s(void) { - INT32 r2 = (UINT32)PRN; - INT32 temp = dsp_acc >> 32; - UINT32 res = (temp < -1) ? (INT32)0x80000000 : (temp > 0) ? (INT32)0x7FFFFFFF : r2; + int32 r2 = (uint32)PRN; + int32 temp = dsp_acc >> 32; + uint32 res = (temp < -1) ? (int32)0x80000000 : (temp > 0) ? (int32)0x7FFFFFFF : r2; PRES = res; SET_ZN(res); } @@ -3762,7 +4542,7 @@ static void DSP_sharq(void) if (doDSPDis) WriteLog("%06X: SHARQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - UINT32 res = (INT32)PRN >> dsp_convert_zero[PIMM1]; + uint32 res = (int32)PRN >> dsp_convert_zero[PIMM1]; SET_ZN(res); dsp_flag_c = PRN & 0x01; PRES = res; #ifdef DSP_DIS_SHARQ @@ -3777,8 +4557,8 @@ static void DSP_shlq(void) if (doDSPDis) WriteLog("%06X: SHLQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, 32 - PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - INT32 r1 = 32 - PIMM1; - UINT32 res = PRN << r1; + int32 r1 = 32 - PIMM1; + uint32 res = PRN << r1; SET_ZN(res); dsp_flag_c = (PRN >> 31) & 1; PRES = res; #ifdef DSP_DIS_SHLQ @@ -3793,8 +4573,8 @@ static void DSP_shrq(void) if (doDSPDis) WriteLog("%06X: SHRQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - INT32 r1 = dsp_convert_zero[PIMM1]; - UINT32 res = PRN >> r1; + int32 r1 = dsp_convert_zero[PIMM1]; + uint32 res = PRN >> r1; SET_ZN(res); dsp_flag_c = PRN & 1; PRES = res; #ifdef DSP_DIS_SHRQ @@ -3811,7 +4591,11 @@ static void DSP_store(void) #endif // DSPWriteLong(PRM, PRN, DSP); // NO_WRITEBACK; +#ifdef DSP_CORRECT_ALIGNMENT_STORE + pipeline[plPtrExec].address = PRM & 0xFFFFFFFC; +#else pipeline[plPtrExec].address = PRM; +#endif pipeline[plPtrExec].value = PRN; pipeline[plPtrExec].type = TYPE_DWORD; WRITEBACK_ADDR; @@ -3857,7 +4641,11 @@ static void DSP_storew(void) // JaguarWriteWord(PRM, PRN, DSP); // // NO_WRITEBACK; +#ifdef DSP_CORRECT_ALIGNMENT_STORE + pipeline[plPtrExec].address = PRM & 0xFFFFFFFE; +#else pipeline[plPtrExec].address = PRM; +#endif if (PRM >= DSP_WORK_RAM_BASE && PRM <= (DSP_WORK_RAM_BASE + 0x1FFF)) { @@ -3880,7 +4668,11 @@ static void DSP_store_r14_i(void) #endif // DSPWriteLong(dsp_reg[14] + (dsp_convert_zero[PIMM1] << 2), PRN, DSP); // NO_WRITEBACK; +#ifdef DSP_CORRECT_ALIGNMENT_STORE + pipeline[plPtrExec].address = (dsp_reg[14] & 0xFFFFFFFC) + (dsp_convert_zero[PIMM1] << 2); +#else pipeline[plPtrExec].address = dsp_reg[14] + (dsp_convert_zero[PIMM1] << 2); +#endif pipeline[plPtrExec].value = PRN; pipeline[plPtrExec].type = TYPE_DWORD; WRITEBACK_ADDR; @@ -3890,7 +4682,11 @@ static void DSP_store_r14_r(void) { // DSPWriteLong(dsp_reg[14] + PRM, PRN, DSP); // NO_WRITEBACK; +#ifdef DSP_CORRECT_ALIGNMENT_STORE + pipeline[plPtrExec].address = (dsp_reg[14] + PRM) & 0xFFFFFFFC; +#else pipeline[plPtrExec].address = dsp_reg[14] + PRM; +#endif pipeline[plPtrExec].value = PRN; pipeline[plPtrExec].type = TYPE_DWORD; WRITEBACK_ADDR; @@ -3904,7 +4700,11 @@ static void DSP_store_r15_i(void) #endif // DSPWriteLong(dsp_reg[15] + (dsp_convert_zero[PIMM1] << 2), PRN, DSP); // NO_WRITEBACK; +#ifdef DSP_CORRECT_ALIGNMENT_STORE + pipeline[plPtrExec].address = (dsp_reg[15] & 0xFFFFFFFC) + (dsp_convert_zero[PIMM1] << 2); +#else pipeline[plPtrExec].address = dsp_reg[15] + (dsp_convert_zero[PIMM1] << 2); +#endif pipeline[plPtrExec].value = PRN; pipeline[plPtrExec].type = TYPE_DWORD; WRITEBACK_ADDR; @@ -3914,7 +4714,11 @@ static void DSP_store_r15_r(void) { // DSPWriteLong(dsp_reg[15] + PRM, PRN, DSP); // NO_WRITEBACK; +#ifdef DSP_CORRECT_ALIGNMENT_STORE + pipeline[plPtrExec].address = (dsp_reg[15] + PRM) & 0xFFFFFFFC; +#else pipeline[plPtrExec].address = dsp_reg[15] + PRM; +#endif pipeline[plPtrExec].value = PRN; pipeline[plPtrExec].type = TYPE_DWORD; WRITEBACK_ADDR; @@ -3926,7 +4730,7 @@ static void DSP_sub(void) if (doDSPDis) WriteLog("%06X: SUB R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif - UINT32 res = PRN - PRM; + uint32 res = PRN - PRM; SET_ZNC_SUB(PRN, PRM, res); PRES = res; #ifdef DSP_DIS_SUB @@ -3941,8 +4745,8 @@ static void DSP_subc(void) if (doDSPDis) WriteLog("%06X: SUBC R%02u, R%02u [NCZ:%u%u%u, R%02u=%08X, R%02u=%08X] -> ", DSP_PPC, PIMM1, PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM1, PRM, PIMM2, PRN); #endif - UINT32 res = PRN - PRM - dsp_flag_c; - UINT32 borrow = dsp_flag_c; + uint32 res = PRN - PRM - dsp_flag_c; + uint32 borrow = dsp_flag_c; SET_ZNC_SUB(PRN - borrow, PRM, res); PRES = res; #ifdef DSP_DIS_SUBC @@ -3957,8 +4761,8 @@ static void DSP_subq(void) if (doDSPDis) WriteLog("%06X: SUBQ #%u, R%02u [NCZ:%u%u%u, R%02u=%08X] -> ", DSP_PPC, dsp_convert_zero[PIMM1], PIMM2, dsp_flag_n, dsp_flag_c, dsp_flag_z, PIMM2, PRN); #endif - UINT32 r1 = dsp_convert_zero[PIMM1]; - UINT32 res = PRN - r1; + uint32 r1 = dsp_convert_zero[PIMM1]; + uint32 res = PRN - r1; SET_ZNC_SUB(PRN, r1, res); PRES = res; #ifdef DSP_DIS_SUBQ @@ -3967,11 +4771,11 @@ static void DSP_subq(void) #endif } -static void DSP_subqmod(void) +static void DSP_subqmod(void) { - UINT32 r1 = dsp_convert_zero[PIMM1]; - UINT32 r2 = PRN; - UINT32 res = r2 - r1; + uint32 r1 = dsp_convert_zero[PIMM1]; + uint32 r2 = PRN; + uint32 res = r2 - r1; res = (res & (~dsp_modulo)) | (r2 & dsp_modulo); PRES = res; SET_ZNC_SUB(r2, r1, res);