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implemented NEG

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FeralChild64 committed 2020-12-22 21:09:18 +01:00
1 parent 363b198a03
commit beedad3377
4 files changed
+42 -9
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src/zvm_m65/z80_instr_general.s
+17 -1
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@@ -56,7 +56,23 @@ Z80_instr_2F: ;
sta REG_F
jmp ZVM_next
; XXX put NEG here
Z80_instr_ED_44: ; NEG
Z80_illeg_ED_4C: ; NEG
Z80_illeg_ED_54: ; NEG
Z80_illeg_ED_5C: ; NEG
Z80_illeg_ED_64: ; NEG
Z80_illeg_ED_6C: ; NEG
Z80_illeg_ED_74: ; NEG
Z80_illeg_ED_7C: ; NEG
ldx REG_A
lda z80_ftable_NEG, x
sta REG_F
lda #$00
sec
sbc REG_A
sta REG_A
jmp ZVM_next
Z80_instr_3F: ; CCF