diff options
Diffstat (limited to 'opcodes.asm')
| -rw-r--r-- | opcodes.asm | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/opcodes.asm b/opcodes.asm index 9b550ea..35a7f4f 100644 --- a/opcodes.asm +++ b/opcodes.asm @@ -1439,17 +1439,10 @@ emu_op_97: ;; Do a SBC \2,\1 F_SBC_B MACRO - ;; XXX TOO BIG - bsr flags_normalize - move.b flag_byte(pc),d0 - andi.b #1,d0 - add.b \1,d0 - move.b d0,(f_tmp_src_b-flag_storage)(a3) - move.b \2,(f_tmp_dst_b-flag_storage)(a3) - sub.b d0,\2 - move sr,(f_host_sr-flag_storage)(a3) - move.w #$0202,(flag_byte-flag_storage)(a3) - + move.b \2,d1 + move.b \1,d0 + bsr alu_sbc + move.b d1,\2 ENDM START |