1
0
mirror of https://github.com/cc65/cc65.git synced 2024-12-25 02:29:52 +00:00
cc65/asminc/generic.mac
Greg King 7d1d929391 Added two useful opcode mnemonic aliases.
bnz - jump if not zero.
bze - jump if zero.
2013-05-08 00:03:44 -04:00

56 lines
956 B
Plaintext

; add - Add without carry
.macro add Arg1, Arg2
clc
.if .paramcount = 2
adc Arg1, Arg2
.else
adc Arg1
.endif
.endmacro
; sub - subtract without borrow
.macro sub Arg1, Arg2
sec
.if .paramcount = 2
sbc Arg1, Arg2
.else
sbc Arg1
.endif
.endmacro
; bge - jump if unsigned greater or equal
.macro bge Arg
bcs Arg
.endmacro
; blt - Jump if unsigned less
.macro blt Arg
bcc Arg
.endmacro
; bgt - jump if unsigned greater
.macro bgt Arg
.local L
beq L
bcs Arg
L:
.endmacro
; ble - jump if unsigned less or equal
.macro ble Arg
beq Arg
bcc Arg
.endmacro
; bnz - jump if not zero
.macro bnz Arg
bne Arg
.endmacro
; bze - jump if zero
.macro bze Arg
beq Arg
.endmacro