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Merge pull request #414 from IrgendwerA8/SED_Fix

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Fixed sim65 SED
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Oliver Schmidt 2017-03-30 12:26:37 +02:00 committed by GitHub
commit cbb2833c01
1 changed files with 4 additions and 0 deletions
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src/sim65/6502.c
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@ -39,6 +39,8 @@
6502) 6502)
* one cycle win for fetch-modify-write instructions ignored * one cycle win for fetch-modify-write instructions ignored
(e.g. ROL abs,x takes only 6 cycles if no page break occurs) (e.g. ROL abs,x takes only 6 cycles if no page break occurs)
* BRK, IRQ, NMI and RESET are not different from 6502 which they are in
reality (e.g. D-flag handling)
*/ */
#include "memory.h" #include "memory.h"
@ -2581,7 +2583,9 @@ static void OPC_6502_F6 (void)
static void OPC_6502_F8 (void) static void OPC_6502_F8 (void)
/* Opcode $F8: SED */ /* Opcode $F8: SED */
{ {
Cycles = 2;
SET_DF (1); SET_DF (1);
Regs.PC += 1;
} }