+++ /dev/null
-//
-// Alternate GPU core... Testing purposes only!
-//
-
-//#include "gpu.h"
-
-// Random stuff from GPU.CPP
-
-/*static uint8 * gpu_ram_8;
-extern uint32 gpu_pc;
-static uint32 gpu_acc;
-static uint32 gpu_remain;
-static uint32 gpu_hidata;
-static uint32 gpu_flags;
-static uint32 gpu_matrix_control;
-static uint32 gpu_pointer_to_matrix;
-static uint32 gpu_data_organization;
-static uint32 gpu_control;
-static uint32 gpu_div_control;
-static uint8 gpu_flag_z, gpu_flag_n, gpu_flag_c;
-static uint8 gpu_alternate_flag_z, gpu_alternate_flag_n, gpu_alternate_flag_c;
-static uint32 * gpu_reg;
-static uint32 * gpu_alternate_reg;
-static uint32 * gpu_reg_bank_0;
-static uint32 * gpu_reg_bank_1;
-
-static uint32 gpu_opcode_first_parameter;
-static uint32 gpu_opcode_second_parameter;*/
-
-//
-
-const INT32 qtable[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 };
-
-const INT32 sqtable[32] =
-{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- -16, -15, -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1 };
-
-const UINT8 gpu_opcode_times[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, 6, 6, 4, 6, 6, 6, 1, 1, 1,
- 1, 2, 2, 2, 1, 1,20, 3, 3, 1, 6, 6, 2, 2, 3, 3 };
-
-UINT8 jump_condition[32][8];
-
-void gpu2_init(void)
-{
- memset(jump_condition, 0, 32 * 8 * sizeof(UINT8));
-
- for(int j=0; j<32; j++)
- {
- for(int i=0; i<8; i++)
- {
- UINT8 r = 1;
- if(j & 0x1) {
- if(i & 0x1)
- r = 0;
- }
- if(j & 0x2) {
- if(!(i & 0x1))
- r = 0;
- }
- if(j & 0x4) {
- if(i & (0x2 << (j >> 4)))
- r = 0;
- }
- if(j & 0x8) {
- if(!(i & (0x2 << (j >> 4))))
- r = 0;
- }
- jump_condition[j][i] = r;
- }
- }
-}
-
-// case 22: // ABS
-void opcode_abs(void)
-{
- int d = RN;
- if(d & 0x80000000) {
- d = abs(d);
- gpu_flag_c = 1;
- } else {
- gpu_flag_c = 0;
- }
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = 0;
-}
-
-// case 0: // ADD
-void opcode_add(void)
-{
- int s = RM;
- int d = RN;
- INT64 r = s + d;
- gpu_flag_c = r & 0x100000000 ? 1 : 0;
- RN = r;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 1: // ADDC
-void opcode_addc(void)
-{
- int s = RM;
- int d = RN;
- int c = gpu_flag_c;
- INT64 r = s + d + c;
- gpu_flag_c = r & 0x100000000 ? 1 : 0;
- RN = r;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 2: // ADDQ
-void opcode_addq(void)
-{
- int s = qtable[IMM_1];
- int d = RN;
- INT64 r = s + d;
- gpu_flag_c = r & 0x100000000 ? 1 : 0;
- RN = r;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 3: // ADDQT
-void opcode_addqt(void)
-{
- RN += qtable[IMM_1];
-}
-// break;
-// case 9: // AND
-void opcode_and(void)
-{
- RN &= RM;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 15: // BLCR
-void opcode_bclr(void)
-{
- RN &= ~(1 << IMM_1);
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 14: // BSET
-void opcode_bset(void)
-{
- RN |= 1 << IMM_1;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 13: // BTST
-void opcode_btst(void)
-{
- gpu_flag_z = RN & (1 << IMM_1) ? 0 : 1;
-}
-// break;
-// case 30: // CMP
-void opcode_cmp(void)
-{
- int s = RM;
- int d = RN;
- gpu_flag_c = (unsigned int)d < (unsigned int)s;
- d -= s;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 31: // CMPQ
-void opcode_cmpq(void)
-{
- int s = sqtable[IMM_1];
- int d = RN;
- gpu_flag_c = (unsigned int)d < (unsigned int)s;
- d -= s;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 21: // DIV
-void opcode_div(void)
-{
- if(RM != 0) {
- if(gpu_div_control == 0) {
- UINT32 q = RN;
- UINT32 d = RM;
- UINT32 r = q / d;
- UINT32 r2 = q % d;
- RN = r;
- gpu_remain = r2;
- } else {
- UINT64 q = (UINT64)(RN)<<16;
- UINT64 d = (UINT64)(RM);
- UINT32 r = (UINT64)(q / d);
- UINT32 r2 = (UINT64)(q % d);
- RN = r;
- gpu_remain = r2;
- }
- }
-}
-// break;
-// case 20: // IMACN
-void opcode_imacn(void)
-{
- short s = RM;
- short d = RN;
- int r = s * d;
- gpu_acc += r;
-}
-// break;
-// case 17: // IMULT
-void opcode_imult(void)
-{
- short s = RM;
- short d = RN;
- int r = s * d;
- RN = r;
- gpu_flag_z = r == 0 ? 1 : 0;
- gpu_flag_n = r & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 18: // IMULTN
-void opcode_imultn(void)
-{
- short s = RM;
- short d = RN;
- int r = s * d;
- gpu_acc = r;
- gpu_flag_z = r == 0 ? 1 : 0;
- gpu_flag_n = r & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 53: // JR;
-void opcode_jr(void)
-{
- UINT32 dw = (gpu_flag_z & 0x1) | ((gpu_flag_n & 0x1) << 2) | ((gpu_flag_c & 0x1) << 1);
- if (jump_condition[IMM_2][dw])
- {
-if (gpu_start_log)
- fprintf(log_get(), " --> JR: Branch taken. ");
- signed int offset = IMM_1 & 0x10 ? (0xFFFFFFF0 | (IMM_1 & 0xF)) : (IMM_1 & 0xF);
- UINT32 delayed_jump_address = gpu_pc + 2 + (offset * 2);
-// delayed_jump = 1;
- gpu_pc += 2;
- gpu_exec(1);
-// gpu_pc = delayed_jump_address;
- gpu_pc = delayed_jump_address - 2;
- }
-}
-// break;
-// case 52: // JUMP
-void opcode_jump(void)
-{
- UINT32 dw = (gpu_flag_z & 0x1) | ((gpu_flag_n & 0x1) << 2) | ((gpu_flag_c & 0x1) << 1);
- if (jump_condition[IMM_2][dw])
- {
-if (gpu_start_log)
- fprintf(log_get(), " --> JUMP: Branch taken. ");
- UINT32 delayed_jump_address = RM & 0xFFFFFE;
-// delayed_jump = 1;
- gpu_pc += 2;
- gpu_exec(1);
-// gpu_pc = delayed_jump_address;
- gpu_pc = delayed_jump_address - 2;
- }
-}
-// break;
-// case 41: // LOAD
-void opcode_load(void)
-{
- UINT32 address = RM;
- if(address >= 0xF03000 && address < 0xF04000) {
-// RN = _rotl(*(UINT32*)(&MEM[address]),16);
- RN = gpu_long_read(address);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// RN = _rotl(*(UINT32*)(&MEM[address-0x8000]),16);
- RN = gpu_long_read(address-0x8000);
- } else {
-// RN = ReadMem32(address);
- RN = jaguar_long_read(address);
- }
-}
-// break;
-// case 43: // LOAD (R14+m)
-void opcode_load_r14_indexed(void)
-{
- UINT32 address = gpu_reg[14] + (qtable[IMM_1] << 2);
- if(address >= 0xF03000 && address < 0xF04000) {
-// RN = _rotl(*(UINT32*)(&MEM[address]),16);
- RN = gpu_long_read(address);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// RN = _rotl(*(UINT32*)(&MEM[address-0x8000]),16);
- RN = gpu_long_read(address-0x8000);
- } else {
-// RN = ReadMem32(address);
- RN = jaguar_long_read(address);
- }
-}
-// break;
-// case 44: // LOAD (R15+m)
-void opcode_load_r15_indexed(void)
-{
- UINT32 address = gpu_reg[15] + (qtable[IMM_1] << 2);
- if(address >= 0xF03000 && address < 0xF04000) {
-// RN = _rotl(*(UINT32*)(&MEM[address]),16);
- RN = gpu_long_read(address);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// RN = _rotl(*(UINT32*)(&MEM[address-0x8000]),16);
- RN = gpu_long_read(address-0x8000);
- } else {
-// RN = ReadMem32(address);
- RN = jaguar_long_read(address);
- }
-}
-// break;
-// case 58: // LOAD (R14+Rm)
-void opcode_load_r14_ri(void)
-{
- UINT32 address = gpu_reg[14] + RM;
- if(address >= 0xF03000 && address < 0xF04000) {
-// RN = _rotl(*(UINT32*)(&MEM[address]),16);
- RN = gpu_long_read(address);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// RN = _rotl(*(UINT32*)(&MEM[address-0x8000]),16);
- RN = gpu_long_read(address-0x8000);
- } else {
-// RN = ReadMem32(address);
- RN = jaguar_long_read(address);
- }
-}
-// break;
-// case 59: // LOAD (R15+Rm)
-void opcode_load_r15_ri(void)
-{
- UINT32 address = gpu_reg[15] + RM;
- if(address >= 0xF03000 && address < 0xF04000) {
-// RN = _rotl(*(UINT32*)(&MEM[address]),16);
- RN = gpu_long_read(address);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// RN = _rotl(*(UINT32*)(&MEM[address-0x8000]),16);
- RN = gpu_long_read(address-0x8000);
- } else {
-// RN = ReadMem32(address);
- RN = jaguar_long_read(address);
- }
-}
-// break;
-// case 39: // LOADB
-void opcode_loadb(void)
-{
- if(RM >= 0xF03000 && RM < 0xF04000) {
-// RN = ReadMem32(RM);
- RN = gpu_long_read(RM);
- } else {
-// RN = ReadMem8(RM);
- RN = jaguar_byte_read(RM);
- }
-}
-// break;
-// case 40: // LOADW
-void opcode_loadw(void)
-{
- if(RM >= 0xF03000 && RM < 0xF04000) {
-// RN = ReadMem32(RM);
- RN = gpu_long_read(RM);
- } else {
-// RN = ReadMem16(RM);
- RN = jaguar_word_read(RM);
- }
-}
-// break;
-// case 42: // LOADP
-void opcode_loadp(void)
-{
- if(RM >= 0xF03000 && RM < 0xF04000) {
-// RN = ReadMem32(RM);
- RN = gpu_long_read(RM);
- } else {
-// RN = ReadMem32(RM);
-// gpu_hidata = ReadMem32(RM+4);
- RN = gpu_long_read(RM);
- gpu_hidata = gpu_long_read(RM + 4);
- }
-}
-// break;
-// case 34: // MOVE
-void opcode_move(void)
-{
- RN = RM;
-}
-// break;
-// case 51: // MOVE PC,Rn
-void opcode_move_pc(void)
-{
- RN = gpu_pc;
-}
-// break;
-// case 37: // MOVEFA
-void opcode_movefa(void)
-{
- RN = gpu_alternate_reg[IMM_1];
-}
-// break;
-// case 38: // MOVEI
-void opcode_movei(void)
-{
- // This instruction is followed by 32-bit value in LSW / MSW format...
-// RN = (uint32)gpu_word_read(gpu_pc) | ((uint32)gpu_word_read(gpu_pc + 2) << 16);
-// gpu_pc += 4;
-// RN = _rotl(*(UINT32*)(&MEM[address]),16);
-// RN = *(UINT32*)(&MEM[gpu_pc+2]);
- RN = _rotl(gpu_long_read(gpu_pc + 2), 16);
- gpu_pc += 4;
-}
-// break;
-// case 35: // MOVEQ
-void opcode_moveq(void)
-{
- RN = IMM_1;
-}
-// break;
-// case 36: // MOVETA
-void opcode_moveta(void)
-{
- gpu_alternate_reg[IMM_2] = RM;
-}
-// break;
-// case 55: // MTOI
-void opcode_mtoi(void)
-{
- int d = RN & 0x7FFFFF;
- if(RN & 0x80000000) {
- d |= 0xFF800000;
- }
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 16: // MULT
-void opcode_mult(void)
-{
- unsigned short s = RM;
- unsigned short d = RN;
- int r = s * d;
- RN = r;
- gpu_flag_z = r == 0 ? 1 : 0;
- gpu_flag_n = r & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 54: // MMULT
-void opcode_mmult(void)
-{
- int size = gpu_matrix_control & 0xF;
- int address = gpu_pointer_to_matrix;
- int add;
- if (gpu_matrix_control & 0x10)
- add = size * 4;
- else
- add = 4;
- int result = 0;
- for(int i=0; i<size; i++)
- {
- short m, r;
-// m = ReadMem16(address+2);
- m = gpu_word_read(address + 2);
- if (i & 0x1)
- r = gpu_alternate_reg[IMM_1+(i>>1)] >> 16;
- else
- r = (gpu_alternate_reg[IMM_1+(i>>1)] & 0xFFFF);
- result += (int)(r * m);
-/* int mult = r*m;
- __asm {
- mov eax,[result]
- mov edx,[mult]
- add eax,edx
- setc [gpu_flag_c]
- mov [result],eax
- }*/
-
- address += add;
- }
- RN = result;
- gpu_flag_n = (result < 0) ? 1 : 0;
- gpu_flag_z = (result == 0) ? 1 : 0;
-}
-// break;
-// case 8: // NEG
-void opcode_neg(void)
-{
- int s = 0;
- int d = RN;
- gpu_flag_c = d - s < d;
- d = s - d;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 57: // NOP
-void opcode_nop(void)
-{
-}
-// break;
-// case 56: // NORMI
-void opcode_normi(void)
-{
- /*unsigned int d = RN;
- int r = 0;
- while ((d & 0xffc00000) == 0)
- {
- d <<= 1;
- r--;
- }
- while ((d & 0xff800000) != 0)
- {
- d >>= 1;
- r++;
- }
- RN = r;
- gpu_flag_z = r == 0 ? 1 : 0;
- gpu_flag_n = r & 0x80000000 ? 1 : 0;*/
- RN = 0;
-}
-// break;
-// case 12: // NOT
-void opcode_not(void)
-{
- int d = RN;
- d ^= 0xFFFFFFFF;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 10: // OR
-void opcode_or(void)
-{
- int s = RM;
- int d = RN;
- d |= s;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 63: // PACK / UNPACK
-void opcode_pack(void)
-{
- if (IMM_1 == 0)
- {
- int c1 = (RN & 0x3C00000) >> 10;
- int c2 = (RN & 0x1E000) >> 5;
- int y = (RN & 0xFF);
- RN = c1 | c2 | y;
- }
- else
- {
- int c1 = (RN & 0xF000) << 10;
- int c2 = (RN & 0xF00) << 5;
- int y = (RN & 0xFF);
- RN = c1 | c2 | y;
- }
-}
-// break;
-// case 19: // RESMAC
-void opcode_resmac(void)
-{
- RN = gpu_acc;
-}
-// break;
-// case 28: // ROR
-void opcode_ror(void)
-{
- unsigned int d = RN;
- int shift = RM;
- gpu_flag_c = d & 0x80000000 ? 1 : 0;
- d = _rotr(d, shift);
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 29: // RORQ
-void opcode_rorq(void)
-{
- unsigned int d = RN;
- int shift = qtable[IMM_1];
- gpu_flag_c = d & 0x80000000 ? 1 : 0;
- d = _rotr(d, shift);
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 32: // SAT8
-void opcode_sat8(void)
-{
- int d = RN;
- if(d < 0)
- d = 0;
- if(d > 255)
- d = 255;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = 0;
-}
-// break;
-// case 33: // SAT16
-void opcode_sat16(void)
-{
- int d = RN;
- if(d < 0)
- d = 0;
- if(d > 65535)
- d = 65535;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = 0;
-}
-// break;
-// case 62: // SAT24
-void opcode_sat24(void)
-{
- int d = RN;
- if (d < 0)
- d = 0;
- if (d > 16777215)
- d = 16777215;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = 0;
-}
-// break;
-// case 23: // SH
-void opcode_sh(void)
-{
- int shift = RM;
- if (shift & 0x80000000)
- {
- gpu_flag_c = RN & 0x80000000 ? 1 : 0;
- UINT32 d = RN;
- d <<= 0-shift;
- RN = d;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
- }
- else
- {
- gpu_flag_c = RN & 0x1 ? 1 : 0;
- UINT32 d = RN;
- d >>= shift;
- RN = d;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
- }
-}
-// break;
-// case 26: // SHA
-void opcode_sha(void)
-{
- int shift = RM;
- if(shift & 0x80000000) {
- gpu_flag_c = RN & 0x80000000 ? 1 : 0;
- INT32 d = RN;
- d <<= 0-shift;
- RN = d;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
- } else {
- gpu_flag_c = RN & 0x1 ? 1 : 0;
- INT32 d = RN;
- d >>= shift;
- RN = d;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
- }
-}
-// break;
-// case 27: // SHARQ
-void opcode_sharq(void)
-{
- INT32 d = RN;
- int shift = qtable[IMM_1];
- gpu_flag_c = d & 0x1 ? 1 : 0;
- d >>= shift;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 24: // SHLQ
-void opcode_shlq(void)
-{
- UINT32 d = RN;
- int shift = 32 - IMM_1;
- gpu_flag_c = d & 0x80000000 ? 1 : 0;
- d <<= shift;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
- // case 25: // SHRQ
-void opcode_shrq(void)
-{
- UINT32 d = RN;
- int shift = qtable[IMM_1];
- gpu_flag_c = d & 0x1 ? 1 : 0;
- d >>= shift;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 47: // STORE
-void opcode_store(void)
-{
- UINT32 address = RM;
- if(address >= 0xF03000 && address < 0xF04000) {
-// *(UINT32*)(&MEM[address]) = _rotl(RN,16);
- gpu_long_write(address, RN);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// *(UINT32*)(&MEM[address-0x8000]) = _rotl(RN,16);
- gpu_long_write(address-0x8000, RN);
- } else {
-// WriteMem32(address,RN);
- jaguar_long_write(address, RN);
- }
-}
-// break;
-// case 49: // STORE (R14+m)
-void opcode_store_r14_indexed(void)
-{
- UINT32 address = gpu_reg[14] + (qtable[IMM_1] << 2);
- if(address >= 0xF03000 && address < 0xF04000) {
-// *(UINT32*)(&MEM[address]) = _rotl(RN,16);
- gpu_long_write(address, RN);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// *(UINT32*)(&MEM[address-0x8000]) = _rotl(RN,16);
- gpu_long_write(address-0x8000, RN);
- } else {
-// WriteMem32(address,RN);
- jaguar_long_write(address, RN);
- }
-}
-// break;
-// case 50: // STORE (R15+m)
-void opcode_store_r15_indexed(void)
-{
- UINT32 address = gpu_reg[15] + (qtable[IMM_1] << 2);
- if(address >= 0xF03000 && address < 0xF04000) {
-// *(UINT32*)(&MEM[address]) = _rotl(RN,16);
- gpu_long_write(address, RN);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// *(UINT32*)(&MEM[address-0x8000]) = _rotl(RN,16);
- gpu_long_write(address-0x8000, RN);
- } else {
-// WriteMem32(address,RN);
- jaguar_long_write(address, RN);
- }
-}
-// break;
-// case 60: // STORE (R14+Rm)
-void opcode_store_r14_ri(void)
-{
- UINT32 address = gpu_reg[14] + RM;
- if(address >= 0xF03000 && address < 0xF04000) {
-// *(UINT32*)(&MEM[address]) = _rotl(RN,16);
- gpu_long_write(address, RN);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// *(UINT32*)(&MEM[address-0x8000]) = _rotl(RN,16);
- gpu_long_write(address-0x8000, RN);
- } else {
-// WriteMem32(address,RN);
- jaguar_long_write(address, RN);
- }
-}
-// break;
-// case 61: // STORE (R15+Rm)
-void opcode_store_r15_ri(void)
-{
- UINT32 address = gpu_reg[15] + RM;
- if(address >= 0xF03000 && address < 0xF04000) {
-// *(UINT32*)(&MEM[address]) = _rotl(RN,16);
- gpu_long_write(address, RN);
- } else if(address >= 0xF0B000 && address < 0xF0C000) {
-// *(UINT32*)(&MEM[address-0x8000]) = _rotl(RN,16);
- gpu_long_write(address-0x8000, RN);
- } else {
-// WriteMem32(address,RN);
- jaguar_long_write(address, RN);
- }
-}
-// break;
-// case 45: // STOREB
-void opcode_storeb(void)
-{
- if(RM>0xF03000 && RM<0xF04000) {
-// WriteMem32(RM,RN);
- gpu_long_write(RM, RN);
- } else {
-// WriteMem8(RM,(UINT8)RN);
- jaguar_byte_write(RM, (UINT8)RN);
- }
-}
-// break;
-// case 46: // STOREW
-void opcode_storew(void)
-{
- if(RM>0xF03000 && RM<0xF04000) {
-// WriteMem32(RM,RN);
- gpu_long_write(RM, RN);
- } else {
-// WriteMem16(RM,(WORD)RN);
- jaguar_word_write(RM, (UINT16)RN);
- }
-}
-// break;
-// case 48: // STOREP
-void opcode_storep(void)
-{
- if (RM>0xF03000 && RM<0xF04000)
- {
-// WriteMem32(RM,RN);
- gpu_long_write(RM, RN);
- }
- else
- {
-// WriteMem32(RM,RN);
-// WriteMem32(RM+4,gpu_hidata);
- jaguar_long_write(RM, RN);
- jaguar_long_write(RM + 4, gpu_hidata);
- }
-}
-// break;
-// case 4: // SUB
-void opcode_sub(void)
-{
- int s = RM;
- int d = RN;
- INT64 r = d - s;
- gpu_flag_c = r & 0x100000000 ? 1 : 0;
- RN = r;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 5: // SUBC
-void opcode_subc(void)
-{
- int s = RM;
- int d = RN;
- int c = gpu_flag_c;
- INT64 r = d - s - c;
- gpu_flag_c = r & 0x100000000 ? 1 : 0;
- RN = r;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 6: // SUBQ
-void opcode_subq(void)
-{
- int s = qtable[IMM_1];
- int d = RN;
- INT64 r = d - s;
- gpu_flag_c = r & 0x100000000 ? 1 : 0;
- RN = r;
- gpu_flag_z = RN == 0 ? 1 : 0;
- gpu_flag_n = RN & 0x80000000 ? 1 : 0;
-}
-// break;
-// case 7: // SUBQT
-void opcode_subqt(void)
-{
- RN -= qtable[IMM_1];
-}
-// break;
-// case 11: // XOR
-void opcode_xor(void)
-{
- int s = RM;
- int d = RN;
- d ^= s;
- RN = d;
- gpu_flag_z = d == 0 ? 1 : 0;
- gpu_flag_n = d & 0x80000000 ? 1 : 0;
-}
projects / virtualjaguar / blobdiff