X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftom.cpp;h=10a29f0f1913d1f0d4d2bc1d711376d6cde7ad47;hb=2f21d8ee63902b160acbaf4c26caaaa0e23ca62f;hp=f9054f6769067aa6fcd9796409d640fdcb570a8d;hpb=fcdc03c5e732a7e4461c817c3c315a11ed87d3b9;p=virtualjaguar diff --git a/src/tom.cpp b/src/tom.cpp index f9054f6..10a29f0 100644 --- a/src/tom.cpp +++ b/src/tom.cpp @@ -265,7 +265,7 @@ #include "log.h" #include "m68k.h" //#include "memory.h" -#include "objectp.h" +#include "op.h" #include "settings.h" #define NEW_TIMER_SYSTEM @@ -296,6 +296,8 @@ #define VDB 0x46 #define VDE 0x48 #define VI 0x4E +#define PIT0 0x50 +#define PIT1 0x52 #define BG 0x58 #define INT1 0xE0 @@ -1136,6 +1138,7 @@ if (offset >= 0xF02000 && offset <= 0xF020FF) if (offset == 0xF000E0) { + // For reading, should only return the lower 5 bits... uint16 data = (tom_jerry_int_pending << 4) | (tom_timer_int_pending << 3) | (tom_object_int_pending << 2) | (tom_gpu_int_pending << 1) | (tom_video_int_pending << 0); @@ -1340,6 +1343,8 @@ if (offset >= 0xF02000 && offset <= 0xF020FF) tom_timer_int_pending = 0; if (data & 0x1000) tom_jerry_int_pending = 0; + +// return; } else if ((offset >= 0xF02200) && (offset <= 0xF0229F)) { @@ -1351,6 +1356,7 @@ if (offset >= 0xF02000 && offset <= 0xF020FF) // Writing to one CLUT writes to the other offset &= 0x5FF; // Mask out $F00600 (restrict to $F00400-5FF) // Watch out for unaligned writes here! (Not fixed yet) +#warning "!!! Watch out for unaligned writes here !!! FIX !!!" SET16(tomRam8, offset, data); SET16(tomRam8, offset + 0x200, data); } @@ -1396,6 +1402,12 @@ if (offset == HBE) WriteLog("TOM: Horizontal Blank End written by %s: %u\n", whoName[who], data); if (offset == VMODE) WriteLog("TOM: Video Mode written by %s: %04X. PWIDTH = %u, MODE = %s, flags:%s%s (VC = %u)\n", whoName[who], data, ((data >> 9) & 0x07) + 1, videoMode_to_str[(data & MODE) >> 1], (data & BGEN ? " BGEN" : ""), (data & VARMOD ? " VARMOD" : ""), GET16(tomRam8, VC)); +if (offset == PIT0) + WriteLog("TOM: PIT0 written by %s: %u\n", whoName[who], data); +if (offset == PIT1) + WriteLog("TOM: PIT1 written by %s: %u\n", whoName[who], data); +//if (offset == INT1) +// WriteLog("TOM: CPU Interrupt Control written by %s: $%04X (%s%s%s%s%s)\n", whoName[who], data, (data & 0x01 ? "Video" : ""), (data & 0x02 ? " GPU" : ""), (data & 0x04 ? " OP" : ""), (data & 0x08 ? " TOMPIT" : ""), (data & 0x10 ? " Jerry" : "")); // detect screen resolution changes //This may go away in the future, if we do the virtualized screen thing... @@ -1476,7 +1488,7 @@ void TOMExecPIT(uint32 cycles) GPUSetIRQLine(GPUIRQ_TIMER, ASSERT_LINE); // GPUSetIRQLine does the 'IRQ enabled' checking if (TOMIRQEnabled(IRQ_TIMER)) - m68k_set_irq(7); // Cause a 68000 NMI... + m68k_set_irq(2); // Cause a 68000 IPL 2... TOMResetPIT(); } @@ -1491,7 +1503,7 @@ void TOMPITCallback(void) // if (INT1_WREG & 0x08) if (TOMIRQEnabled(IRQ_TIMER)) - m68k_set_irq(7); // Generate 68K NMI + m68k_set_irq(2); // Generate a 68K IPL 2... TOMResetPIT(); }