RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

famec: improve trace a bit

Browse source 
or break it (nobody uses it anyway), just want m68k_opcode_sizes to pass
This commit is contained in:
notaz 2017-09-13 01:55:25 +03:00
parent a39743e315
commit 8d998330d0
1 changed files with 6 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

9
cpu/fame/famec.c
View file

@ -742,6 +742,9 @@ static FAMEC_EXTRA_INLINE u32 execute_exception(s32 vect, u32 oldPC, u32 oldSR)
//u32 oldSR = GET_SR; //u32 oldSR = GET_SR;
m68kcontext.io_cycle_counter -= exception_cycle_table[vect]; m68kcontext.io_cycle_counter -= exception_cycle_table[vect];
#ifdef FAMEC_EMULATE_TRACE
m68kcontext.execinfo &= ~FM68K_EMULATE_TRACE;
#endif
PRE_IO PRE_IO
@ -763,6 +766,7 @@ static FAMEC_EXTRA_INLINE u32 execute_exception(s32 vect, u32 oldPC, u32 oldSR)
/* adjust SR */ /* adjust SR */
flag_S = M68K_SR_S; flag_S = M68K_SR_S;
flag_T = 0;
#ifndef FAMEC_32BIT_PC #ifndef FAMEC_32BIT_PC
newPC&=M68K_ADR_MASK newPC&=M68K_ADR_MASK
@ -916,12 +920,11 @@ famec_Exec:
#ifdef FAMEC_EMULATE_TRACE #ifdef FAMEC_EMULATE_TRACE
if (m68kcontext.execinfo & FM68K_EMULATE_TRACE) if (m68kcontext.execinfo & FM68K_EMULATE_TRACE)
{ {
m68kcontext.io_cycle_counter = cycles_needed; m68kcontext.io_cycle_counter += cycles_needed;
cycles_needed = 0; cycles_needed = 0;
m68kcontext.execinfo &= ~FM68K_EMULATE_TRACE; m68kcontext.execinfo &= ~FM68K_EMULATE_TRACE;
m68kcontext.execinfo |= FM68K_DO_TRACE; m68kcontext.execinfo |= FM68K_DO_TRACE;
SET_PC(execute_exception(M68K_TRACE_EX, GET_PC, GET_SR)); SET_PC(execute_exception(M68K_TRACE_EX, GET_PC, GET_SR));
flag_T=0;
if (m68kcontext.io_cycle_counter > 0) if (m68kcontext.io_cycle_counter > 0)
{ {
//NEXT //NEXT
@ -933,7 +936,7 @@ famec_Exec:
if (cycles_needed != 0) if (cycles_needed != 0)
{ {
u32 line; u32 line;
m68kcontext.io_cycle_counter = cycles_needed; m68kcontext.io_cycle_counter += cycles_needed;
cycles_needed = 0; cycles_needed = 0;
if (m68kcontext.io_cycle_counter <= 0) goto famec_End; if (m68kcontext.io_cycle_counter <= 0) goto famec_End;
line=interrupt_chk__(); line=interrupt_chk__();