mirror of
https://github.com/fadden/6502bench.git
synced 2024-12-02 13:51:36 +00:00
125 lines
2.4 KiB
ArmAsm
125 lines
2.4 KiB
ArmAsm
|
!cpu 6502
|
||
|
* = $0000
|
||
|
!pseudopc $1000 {
|
||
|
!word $1000 ;PRG-style header
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $1000 {
|
||
|
jsr L1100
|
||
|
jsr L1107
|
||
|
jmp L2000
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $1100 {
|
||
|
L1100 bit L1100
|
||
|
L1103 lda #$11
|
||
|
ldx #$11
|
||
|
L1107 ldy #$11
|
||
|
clv
|
||
|
bvc L1103
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $1100 {
|
||
|
@L1100_0 bit @L1100_0
|
||
|
lda #$22
|
||
|
@L1105 ldx #$22
|
||
|
ldy #$22
|
||
|
jmp @L1105
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $1100 {
|
||
|
@L1100_1 bit @L1100_1
|
||
|
lda #$33
|
||
|
ldx #$33
|
||
|
@L1107_0 ldy #$33
|
||
|
sec
|
||
|
bcs @L1107_0
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $2000 {
|
||
|
L2000 bit L2000
|
||
|
beq $2018
|
||
|
bne @L2020
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $2020 {
|
||
|
@L2020 bit @L2020
|
||
|
beq $2028
|
||
|
bne L2080
|
||
|
|
||
|
offend nop
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $2080 {
|
||
|
L2080 bit L2080
|
||
|
lda offend
|
||
|
jsr offend
|
||
|
lda $2028
|
||
|
jsr $2028
|
||
|
lda L2080-1
|
||
|
jsr L2080-1
|
||
|
lda L2080
|
||
|
jsr L2080
|
||
|
lda $00
|
||
|
beq @L2100
|
||
|
!byte $ad
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $2100 {
|
||
|
@L2100 nop
|
||
|
nop
|
||
|
jmp @L3000
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $2800 {
|
||
|
!byte $00
|
||
|
!byte $28
|
||
|
!fill 14,$00
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $2820 {
|
||
|
!fill 18,$00
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $3000 {
|
||
|
@L3000 bit @L3000
|
||
|
lda #$44
|
||
|
ldx #$44
|
||
|
ldy #$44
|
||
|
jmp fwd
|
||
|
|
||
|
ulabel !byte $00
|
||
|
!byte $01
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $3100 {
|
||
|
!byte $02
|
||
|
|
||
|
fwd bit fwd
|
||
|
lda ulabel
|
||
|
lda ulabel+1
|
||
|
lda $300e
|
||
|
lda $300f
|
||
|
lda fwd-1
|
||
|
beq @L3182
|
||
|
!byte $ea
|
||
|
!byte $ea
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $3180 {
|
||
|
!byte $00
|
||
|
!byte $01
|
||
|
|
||
|
@L3182 bit @L3182
|
||
|
lda label1
|
||
|
lda label1+1
|
||
|
lda L3200
|
||
|
clv
|
||
|
bvc L3200
|
||
|
|
||
|
label1 !byte $ea
|
||
|
!byte $ea
|
||
|
|
||
|
} ;!pseudopc
|
||
|
!pseudopc $3200 {
|
||
|
L3200 bit L3200
|
||
|
!byte $00
|
||
|
!byte $01 ;execution continues off end of file
|
||
|
} ;!pseudopc
|