diff options
| author | Astrid Smith | 2010-09-13 21:32:15 -0700 |
|---|---|---|
| committer | Astrid Smith | 2010-09-13 21:32:15 -0700 |
| commit | 482038650c4be2aa72eaebbb8b4d9885f7380d3f (patch) | |
| tree | 947726466c090ea710fba18210a83a9950f511f0 /opcodes.asm | |
| parent | 528234e5c172aeae3abb04d91ae3412629d8baf0 (diff) | |
Fixed glaring bug in arithmetic routines affecting (HL)
Diffstat (limited to 'opcodes.asm')
| -rw-r--r-- | opcodes.asm | 65 |
1 files changed, 33 insertions, 32 deletions
diff --git a/opcodes.asm b/opcodes.asm index 3305135..0191f23 100644 --- a/opcodes.asm +++ b/opcodes.asm @@ -1291,9 +1291,10 @@ emu_op_85: START emu_op_86: ;; ADD A,(HL) - FETCHB ehl,d1 - F_ADD_B d1,eaf - PUTB d1,ehl + ;; XXX size? + FETCHB ehl,d2 + F_ADD_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1360,9 +1361,9 @@ emu_op_8d: START emu_op_8e: ;; ADC A,(HL) - FETCHB ehl,d1 - F_ADC_B d1,eaf - PUTB d1,ehl + FETCHB ehl,d2 + F_ADC_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1427,9 +1428,9 @@ emu_op_95: START emu_op_96: ;; SUB A,(HL) - FETCHB ehl,d1 - F_SUB_B d1,eaf - PUTB d1,ehl + FETCHB ehl,d2 + F_SUB_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1494,9 +1495,9 @@ emu_op_9d: START emu_op_9e: ;; SBC A,(HL) - FETCHB ehl,d1 - F_SBC_B d1,eaf - PUTB d1,ehl + FETCHB ehl,d2 + F_SBC_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1560,9 +1561,9 @@ emu_op_a5: START emu_op_a6: ;; AND (HL) - FETCHB ehl,d1 - F_AND_B d1,eaf - PUTB d1,ehl + FETCHB ehl,d2 + F_AND_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1628,9 +1629,9 @@ emu_op_ad: START emu_op_ae: ;; XOR (HL) - FETCHB ehl,d1 - F_XOR_B d1,eaf - PUTB d1,ehl + FETCHB ehl,d2 + F_XOR_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1696,9 +1697,9 @@ emu_op_b5: START emu_op_b6: ;; OR (HL) - FETCHB ehl,d1 - F_OR_B d1,eaf - PUTB d1,ehl + FETCHB ehl,d2 + F_OR_B d2,eaf + PUTB d2,ehl DONE ;nok START @@ -1723,9 +1724,9 @@ F_CP_B MACRO START emu_op_b8: ;; CP B - move.b ebc,d1 - LOHI d1 - F_CP_B d1,eaf + move.b ebc,d2 + LOHI d2 + F_CP_B d2,eaf DONE ;nok START @@ -1737,9 +1738,9 @@ emu_op_b9: START emu_op_ba: ;; CP D - move.b ede,d1 - LOHI d1 - F_CP_B d1,eaf + move.b ede,d2 + LOHI d2 + F_CP_B d2,eaf DONE ;nok START @@ -1751,9 +1752,9 @@ emu_op_bb: START emu_op_bc: ;; CP H - move.b ehl,d1 - LOHI d1 - F_CP_B d1,eaf + move.b ehl,d2 + LOHI d2 + F_CP_B d2,eaf DONE ;nok START @@ -1765,8 +1766,8 @@ emu_op_bd: START emu_op_be: ;; CP (HL) - FETCHB ehl,d1 - F_CP_B d1,eaf ; if F_CP_B uses d1, watch out for this + FETCHB ehl,d2 + F_CP_B d2,eaf ;; no result to store DONE ;nok |