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Fixed RTL opcode in-bank issue in the G65816 CPU core [Angelo Salese]

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This commit is contained in:
Angelo Salese 2010-04-10 15:50:08 +00:00
parent 14c8e0bfbb
commit 85283ac532
1 changed files with 2 additions and 2 deletions
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4
src/emu/cpu/g65816/g65816op.h
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@ -210,7 +210,7 @@ INLINE uint g65816i_pull_24(g65816i_cpu_struct *cpustate)
{
uint res = g65816i_pull_8(cpustate);
res |= g65816i_pull_8(cpustate) << 8;
return res | (g65816i_pull_8(cpustate) << 16);
return ((res + 1) & 0xffff) | (g65816i_pull_8(cpustate) << 16);
}
@ -1505,7 +1505,7 @@ INLINE uint EA_SIY(g65816i_cpu_struct *cpustate) {return MAKE_UINT_16(read_16_
#undef OP_RTL
#define OP_RTL() \
CLK(6); \
g65816i_jump_24(cpustate, g65816i_pull_24(cpustate)+1)
g65816i_jump_24(cpustate, g65816i_pull_24(cpustate))
/* M6502 Return from Subroutine */
/* Unusual behavior: Gets PC and increments */