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more work on Z80 support

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This commit is contained in:
FeralChild64 committed 2020-12-30 18:08:31 +01:00
1 parent 3054a44e7c
commit 76f25a36e2
16 files changed
+763 -201
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src/zvm_m65/z80_instr_math_8bit.s
+8 -8
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@@ -8,12 +8,12 @@
!macro Z80_ADD_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
bra Z80_common_add
}
!macro Z80_ADC_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
bbs0 REG_F,Z80_common_adc
jmp Z80_common_add
}
@@ -167,12 +167,12 @@ Z80_common_adc:
jmp ZVM_next
!macro Z80_SUB_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
bra Z80_common_sub
}
!macro Z80_SBC_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
bbs0 REG_F,Z80_common_sbc
jmp Z80_common_sub
}
@@ -326,7 +326,7 @@ Z80_common_sbc:
jmp ZVM_next
!macro Z80_CP_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
bra Z80_common_cp
}
@@ -431,7 +431,7 @@ Z80_common_cp:
}
!macro Z80_AND_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
+Z80_AND_common
}
@@ -491,7 +491,7 @@ Z80_instr_FD_A6: +Z80_AND_VIA_IY_d ;
}
!macro Z80_OR_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
+Z80_OR_common
}
@@ -548,7 +548,7 @@ Z80_instr_FD_B6: +Z80_OR_VIA_IY_d ;
}
!macro Z80_XOR_n {
jsr (VEC_fetch_value)
jsr (VEC_fetch_via_PC_inc)
+Z80_XOR_common
}