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g65816: fixed JSR being a cycle short [R. Belmont, O. Galibert]

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This commit is contained in:
arbee 2022-04-21 18:52:18 -04:00
parent 9c14c2ec0c
commit 752f719e09
1 changed files with 2 additions and 2 deletions
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4
src/devices/cpu/g65816/g65816op.h
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@ -596,7 +596,7 @@
/* Unusual behavior: stacks PC-1 */ /* Unusual behavior: stacks PC-1 */
#undef OP_JSR #undef OP_JSR
#define OP_JSR(MODE) \ #define OP_JSR(MODE) \
CLK(CLK_OP + CLK_W16 + CLK_##MODE); \ CLK(6); \
DST = EA_##MODE(); \ DST = EA_##MODE(); \
g65816i_push_16(REGISTER_PC-1); \ g65816i_push_16(REGISTER_PC-1); \
g65816i_jump_16(DST) g65816i_jump_16(DST)
@ -605,7 +605,7 @@
/* Unusual behavior: stacks PC-1 */ /* Unusual behavior: stacks PC-1 */
#undef OP_JSRAXI #undef OP_JSRAXI
#define OP_JSRAXI() \ #define OP_JSRAXI() \
CLK(CLK_OP + CLK_W16 + CLK_AXI); \ CLK(8); \
DST = read_16_AXI(REGISTER_PB | (MAKE_UINT_16(OPER_16_IMM() + REGISTER_X))); \ DST = read_16_AXI(REGISTER_PB | (MAKE_UINT_16(OPER_16_IMM() + REGISTER_X))); \
g65816i_push_16(REGISTER_PC-1); \ g65816i_push_16(REGISTER_PC-1); \
g65816i_jump_16(DST) g65816i_jump_16(DST)