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Illegal instruction handler now also logs opcode before the previous.

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This commit is contained in:
OBattler
2016-08-09 06:08:48 +02:00
parent 8624d8d1f0
commit 403433c589
1 changed files with 6 additions and 1 deletions
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7
src/386_dynarec.c
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@@ -267,10 +267,12 @@ void x86_int_sw(int num)
CPU_BLOCK_END(); CPU_BLOCK_END();
} }
int prev_opcode = 0;
void x86illegal() void x86illegal()
{ {
uint16_t addr; uint16_t addr;
pclog("x86 illegal %04X %08X %04X:%08X %02X\n",msw,cr0,CS,cpu_state.pc,opcode); pclog("x86 illegal %04X %08X %04X:%08X %02X (prev. %02X)\n",msw,cr0,CS,cpu_state.pc,opcode,prev_opcode);
// if (output) // if (output)
// { // {
@@ -1268,6 +1270,7 @@ void exec386_dynarec(int cycs)
if (!abrt) if (!abrt)
{ {
trap = flags & T_FLAG; trap = flags & T_FLAG;
prev_opcode = opcode;
opcode = fetchdat & 0xFF; opcode = fetchdat & 0xFF;
fetchdat >>= 8; fetchdat >>= 8;
@@ -1419,6 +1422,7 @@ inrecomp=0;
if (!abrt) if (!abrt)
{ {
trap = flags & T_FLAG; trap = flags & T_FLAG;
prev_opcode = opcode;
opcode = fetchdat & 0xFF; opcode = fetchdat & 0xFF;
fetchdat >>= 8; fetchdat >>= 8;
@@ -1498,6 +1502,7 @@ inrecomp=0;
if (!abrt) if (!abrt)
{ {
trap = flags & T_FLAG; trap = flags & T_FLAG;
prev_opcode = opcode;
opcode = fetchdat & 0xFF; opcode = fetchdat & 0xFF;
fetchdat >>= 8; fetchdat >>= 8;