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6809_macros.s
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.macro ABA
PSHS B
ADDA ,S+
.endm
.macro CBA
PSHS B
CMPA ,S+
.endm
.macro CLC
ANDCC #$FE
.endm
.macro CLI
ANDCC #$EF
.endm
.macro CLV
ANDCC #$FD
.endm
.macro CPX src
;; CMPX P
; CMP X,S
CMP X,src
.endm
.macro DES
LEAS -1,S
.endm
.macro DEX
LEAX -1,X
.endm
.macro INS
LEAS 1,S
.endm
.macro INX
LEAX 1,X
.endm
.macro LDAA val
LDA val
.endm
.macro LDAB val
LDB val
.endm
.macro ORAA
ORA
.endm
.macro ORAB val
ORB val
.endm
.macro PSHA
PSHS A
.endm
.macro PSHB
PSHS B
.endm
.macro PULA
PULS A
.endm
.macro PULB
PULS B
.endm
.macro SBA
PSHS B
SUBA ,S+
.endm
.macro SEC
ORCC #$01
.endm
.macro SEI
ORCC #$10
.endm
.macro SEV
ORCC #$02
.endm
.macro STAA
; STA
nop
.endm
.macro STAB
; STB
nop
.endm
.macro TAB
TFR A,B
TSTA
.endm
.macro TAP
TFR A,CC
.endm
.macro TBA
TFR B,A
TSTA
.endm
.macro TPA
TFR CC,A
.endm
.macro TSX
TFR S,X
.endm
.macro TXS
TFR X,S
.endm
.macro WAI
CWAI #$FF
.endm
org 0
ABA
CBA
CLC
CLI
CLV
; CPX
DES
DEX
INS
INX
LDAA
LDAB
ORAA
ORAB
PSHA
PSHB
PULA
PULB
SBA
SEC
SEI
SEV
STAA
STAB
TAB
TAP
TBA
TPA
TSX
TXS
WAI
; CPX #$DEAD
NOP
end