Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-04 16:34:53 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

m68k: generate the correct kind of stack frame for 68010 bus errors. [R. Belmont]

Browse Source
This commit is contained in:
arbee 2014-12-30 22:46:14 -05:00
parent 32a25550fe
commit bfd87ef73a
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/emu/cpu/m68000/m68kcpu.c
View File

@ -690,11 +690,16 @@ static void m68k_cause_bus_error(m68000_base_device *m68k)
m68k->run_mode = RUN_MODE_BERR_AERR_RESET;
if (!CPU_TYPE_IS_020_PLUS(m68k->cpu_type))
if (!CPU_TYPE_IS_010_PLUS(m68k->cpu_type))
{
/* Note: This is implemented for 68000 only! */
m68ki_stack_frame_buserr(m68k, sr);
}
else if (CPU_TYPE_IS_010(m68k->cpu_type))
{
/* only the 68010 throws this unique type-1000 frame */
m68ki_stack_frame_1000(m68k, REG_PPC(m68k), sr, EXCEPTION_BUS_ERROR);
}
else if (m68k->mmu_tmp_buserror_address == REG_PPC(m68k))
{
m68ki_stack_frame_1010(m68k, sr, EXCEPTION_BUS_ERROR, REG_PPC(m68k), m68k->mmu_tmp_buserror_address);