mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-12-11 09:49:17 +00:00
77 lines
1.4 KiB
Plaintext
77 lines
1.4 KiB
Plaintext
AGET81
|
|
PLA
|
|
STA RETADR
|
|
PLA
|
|
STA RETADR+1
|
|
PLA
|
|
STA :IDX
|
|
PLA
|
|
STA ADDR1
|
|
PLA
|
|
STA ADDR1+1
|
|
LDA #0
|
|
STA :IDX+1
|
|
LDY #1
|
|
LDA (ADDR1),Y
|
|
STA :ESIZE
|
|
STA RETLEN
|
|
LDY #0
|
|
LDA #0
|
|
TAY
|
|
STY SCRATCH
|
|
BEQ :ENTLP
|
|
:DOADD
|
|
CLC
|
|
ADC :IDX
|
|
TAX
|
|
TYA
|
|
ADC SCRATCH
|
|
TAY
|
|
TXA
|
|
:LP
|
|
ASL :IDX
|
|
ROL SCRATCH
|
|
:ENTLP
|
|
LSR :ESIZE
|
|
BCS :DOADD
|
|
BNE :LP
|
|
STX :IDX
|
|
STY :IDX+1
|
|
CLC
|
|
LDA #2
|
|
ADC :IDX
|
|
STA :RES
|
|
LDA #0
|
|
ADC :IDX+1
|
|
STA :RES+1
|
|
CLC
|
|
LDA :RES
|
|
ADC ADDR1
|
|
STA :RES
|
|
LDA :RES+1
|
|
ADC ADDR1+1
|
|
STA :RES+1
|
|
LDY #0
|
|
LDA :RES
|
|
STA ADDR1
|
|
LDA :RES+1
|
|
STA ADDR1+1
|
|
:LDLOOP
|
|
LDA (ADDR1),Y
|
|
STA RETURN,Y
|
|
INY
|
|
CPY RETLEN
|
|
BCC :LDLOOP
|
|
BEQ :LDLOOP
|
|
LDA RETADR+1
|
|
PHA
|
|
LDA RETADR
|
|
PHA
|
|
LDY :RES
|
|
LDX :RES+1
|
|
LDA RETLEN
|
|
RTS
|
|
:RES DS 2
|
|
:IDX DS 2
|
|
:ESIZE DS 1
|