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Ensure that any cycles spent when entering IRQ/NMI in dynarec are accounted

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for in the TSC, and by extension the timer system. Fixes slowdown and
stuttering music in Museum Madness.
This commit is contained in:
SarahW 2020-11-19 22:09:41 +00:00
commit 8053c8a523
1 changed files with 3 additions and 2 deletions
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5
src/386_dynarec.c
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@ -591,8 +591,6 @@ void exec386_dynarec(int cycs)
exec_interpreter(); exec_interpreter();
else else
exec_recompiler(); exec_recompiler();
cycdiff=oldcyc-cycles;
tsc += cycdiff;
if (cpu_state.abrt) if (cpu_state.abrt)
{ {
@ -643,6 +641,9 @@ void exec386_dynarec(int cycs)
// pclog("IRQ %02X %04X:%04X %04X:%04X\n", temp, SS, SP, CS, pc); // pclog("IRQ %02X %04X:%04X %04X:%04X\n", temp, SS, SP, CS, pc);
} }
} }
cycdiff=oldcyc-cycles;
tsc += cycdiff;
} }
if (TIMER_VAL_LESS_THAN_VAL(timer_target, (uint32_t)tsc)) if (TIMER_VAL_LESS_THAN_VAL(timer_target, (uint32_t)tsc))