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PicoDrive hacks

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@216 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-08-05 19:37:36 +00:00
parent 0e11c502b0
commit 3335750a7d
5 changed files with 23 additions and 8 deletions
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11
cpu/musashi/m68kcpu.c
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@ -790,6 +790,9 @@ int m68k_execute(int num_cycles)
/* Make sure we're not stopped */
if(!CPU_STOPPED)
{
// notaz
m68ki_check_interrupts();
/* Set our pool of clock cycles available */
SET_CYCLES(num_cycles);
m68ki_initial_cycles = num_cycles;
@ -803,11 +806,13 @@ int m68k_execute(int num_cycles)
/* Main loop. Keep going until we run out of clock cycles */
// notaz
m68ki_trace_t1();
while(GET_CYCLES() >= 0)
// do
{
/* Set tracing accodring to T1. (T0 is done inside instruction) */
m68ki_trace_t1(); /* auto-disable (see m68kcpu.h) */
//m68ki_trace_t1(); /* auto-disable (see m68kcpu.h) */
/* Set the address space for reads */
m68ki_use_data_space(); /* auto-disable (see m68kcpu.h) */
@ -820,11 +825,13 @@ int m68k_execute(int num_cycles)
/* Read an instruction and call its handler */
REG_IR = m68ki_read_imm_16();
USE_CYCLES(CYC_INSTRUCTION[REG_IR]); // notaz
m68ki_instruction_jump_table[REG_IR]();
USE_CYCLES(CYC_INSTRUCTION[REG_IR]);
/* Trace m68k_exception, if necessary */
m68ki_exception_if_trace(); /* auto-disable (see m68kcpu.h) */
m68ki_trace_t1(); /* notaz */
} // while(GET_CYCLES() > 0); // notaz
/* set previous PC to current PC for the next entry into the loop */