mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-24 14:31:05 +00:00
314 lines
4.4 KiB
Plaintext
314 lines
4.4 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
*--------------------------------------
|
||
XBBD7 .BS 1
|
||
XBBD8 .BS 1
|
||
|
||
XBBD9 .BS 1 .DA #4 ????
|
||
XBBDA .BS 1
|
||
XBBDB .BS 1
|
||
XBBDD .BS 1
|
||
*--------------------------------------
|
||
BSX.FRE0 jsr BSX.FRE1
|
||
bcs .9
|
||
|
||
lda ASX.PGRMSTART+1
|
||
sta BS.TXTTAB+1
|
||
lda ASX.PGRMSTART
|
||
sta BS.TXTTAB
|
||
|
||
lda ASX.HIMEM+1
|
||
sta XBBD8
|
||
lda #$03
|
||
sta XBBD9
|
||
|
||
lda ASX.STRINGSTART+1
|
||
sta BS.MEMSIZE+1
|
||
|
||
lda #$00
|
||
sta BS.MEMSIZE
|
||
bra BSX.FRE2 Z
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
BSX.FRE1 stz BS.TXTTAB
|
||
|
||
lda ASX.HIMEM+1
|
||
sta XBBD8
|
||
lda #$03
|
||
sta XBBD9
|
||
|
||
lda ASX.STRINGSTART+1
|
||
sta BS.TXTTAB+1
|
||
sec
|
||
sbc ASX.ARRAYEND+1
|
||
cmp #$07
|
||
bcc .1
|
||
|
||
sbc #$03
|
||
sta XBBD9
|
||
|
||
lda ASX.ARRAYEND+1
|
||
adc #$00
|
||
sta XBBD8
|
||
|
||
lda ASX.HIMEM+1
|
||
sbc ASX.STRINGSTART+1
|
||
adc #$01
|
||
cmp XBBD9
|
||
bcs .1
|
||
|
||
sta XBBD9
|
||
|
||
.1 lda ASX.HIMEM+1
|
||
sta BS.MEMSIZE+1
|
||
|
||
lda ASX.HIMEM
|
||
sta BS.MEMSIZE
|
||
sta ASX.STRINGSTART
|
||
*--------------------------------------
|
||
BSX.FRE2 clc
|
||
beq .1
|
||
|
||
sec
|
||
|
||
.1 lda BS.MEMSIZE+1
|
||
sta ASX.STRINGSTART+1
|
||
sbc #$00
|
||
sta XBBDA
|
||
adc #$00
|
||
sta XBBDB
|
||
lda ASX.ARRAYEND+1
|
||
adc #$01
|
||
sta XBBDD
|
||
|
||
.2 lda ASX.VARSTART
|
||
sbc #$06
|
||
sta ZP.A2L
|
||
|
||
lda ASX.VARSTART+1
|
||
sbc #$00
|
||
sta ZP.A2H
|
||
|
||
lda ASX.ARRAYSTART
|
||
sta XBBDC
|
||
lda XBBDA
|
||
cmp BS.TXTTAB+1
|
||
bcc .9
|
||
|
||
sbc XBBD9
|
||
sta XBBD7
|
||
|
||
lda ASX.STRINGSTART+1
|
||
sbc XBBDA
|
||
sbc XBBD7
|
||
eor #$FF
|
||
adc #$02
|
||
cmp XBBD7
|
||
bcc .3
|
||
|
||
lda XBBD7
|
||
|
||
.3 cmp BS.TXTTAB+1
|
||
bcs .4
|
||
|
||
lda BS.TXTTAB+1
|
||
sbc #$00
|
||
|
||
.4 sta XBBDA
|
||
jsr BSX.LA199
|
||
ldx ASX.ARRAYSTART+1
|
||
jsr BSX.LA0FB
|
||
bcs .5
|
||
|
||
jsr BSX.LA131
|
||
lda XBBDA
|
||
sta XBBDB
|
||
bcc .2
|
||
|
||
.5 lda #BS.E.NOBUFFER
|
||
.9 rts
|
||
*--------------------------------------
|
||
BSX.LA0FB clc
|
||
|
||
.1 lda ZP.A2L
|
||
adc #$07
|
||
sta ZP.A2L
|
||
bcc .2
|
||
|
||
inc ZP.A2H
|
||
|
||
.2 eor ASX.ARRAYSTART
|
||
bne .3
|
||
|
||
cpx ZP.A2H
|
||
beq BSX.LA12F
|
||
|
||
.3 ldy #$00
|
||
lda (ZP.A2L),y
|
||
iny
|
||
eor (ZP.A2L),y
|
||
bpl BSX.LA0FB
|
||
|
||
lda (ZP.A2L),y
|
||
bpl BSX.LA0FB
|
||
|
||
ldy #$04
|
||
lda (ZP.A2L),y
|
||
cmp XBBDA
|
||
bcc .1
|
||
|
||
cmp XBBDB
|
||
bcs BSX.LA0FB
|
||
|
||
jsr BSX.LA1BC
|
||
bcc .1
|
||
|
||
rts
|
||
|
||
BSX.LA12F clc
|
||
rts
|
||
*--------------------------------------
|
||
BSX.LA131 jsr BSX.LA160
|
||
bcs BSX.LA12F
|
||
|
||
.1 ldy #$02
|
||
lda (ZP.A2L),y
|
||
cmp XBBDA
|
||
bcc .2
|
||
|
||
cmp XBBDB
|
||
bcs .2
|
||
|
||
jsr BSX.LA1BC
|
||
bcc .3
|
||
|
||
rts
|
||
|
||
.2 clc
|
||
|
||
.3 lda #$03
|
||
adc ZP.A2L
|
||
sta ZP.A2L
|
||
bcc .4
|
||
|
||
inc ZP.A2H
|
||
|
||
.4 cmp XBBDC
|
||
bne .1
|
||
|
||
cpx ZP.A2H
|
||
bne .1
|
||
|
||
beq BSX.LA131
|
||
*--------------------------------------
|
||
BSX.LA160 clc
|
||
lda XBBDC
|
||
sta ZP.A2L
|
||
stx ZP.A2H
|
||
eor ASX.ARRAYEND
|
||
bne .1
|
||
|
||
cpx ASX.ARRAYEND+1
|
||
beq .9
|
||
|
||
.1 ldy #$02
|
||
lda (ZP.A2L),y
|
||
adc ZP.A2L
|
||
sta XBBDC
|
||
iny
|
||
lda (ZP.A2L),y
|
||
adc ZP.A2H
|
||
tax
|
||
ldy #$00
|
||
lda (ZP.A2L),y
|
||
iny
|
||
eor (ZP.A2L),y
|
||
bpl BSX.LA160
|
||
|
||
ldy #$04
|
||
lda (ZP.A2L),y
|
||
asl
|
||
adc #$05
|
||
adc ZP.A2L
|
||
sta ZP.A2L
|
||
bcc .9
|
||
|
||
inc ZP.A2H
|
||
|
||
clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
BSX.LA199 lda XBBD7
|
||
sta ZP.PCH
|
||
lda XBBD8
|
||
sta ZP.A1H
|
||
ldy #$00
|
||
sty ZP.PCL
|
||
sty ZP.A1L
|
||
ldx XBBD9
|
||
inx
|
||
|
||
.1 lda (ZP.PCL),y
|
||
sta (ZP.A1L),y
|
||
iny
|
||
bne .1
|
||
|
||
inc ZP.A1H
|
||
inc ZP.PCH
|
||
dex
|
||
bne .1
|
||
|
||
rts
|
||
*--------------------------------------
|
||
BSX.LA1BC cmp XBBD7
|
||
bcc .1
|
||
|
||
sbc XBBD7
|
||
clc
|
||
adc XBBD8
|
||
|
||
.1 sta ZP.PCH
|
||
dey
|
||
lda (ZP.A2L),y
|
||
sta ZP.PCL
|
||
dey
|
||
|
||
sec
|
||
lda ASX.STRINGSTART
|
||
sbc (ZP.A2L),y
|
||
sta ASX.STRINGSTART
|
||
sta .3+1
|
||
iny
|
||
sta (ZP.A2L),y
|
||
|
||
lda ASX.STRINGSTART+1
|
||
sbc #$00
|
||
sta ASX.STRINGSTART+1
|
||
sta .3+2
|
||
iny
|
||
sta (ZP.A2L),y
|
||
dey
|
||
dey
|
||
lda (ZP.A2L),y
|
||
beq .8
|
||
|
||
tay
|
||
|
||
.2 dey
|
||
lda (ZP.PCL),y
|
||
.3 sta $FFFF,y SELF MODIFIED
|
||
tya
|
||
bne .2
|
||
|
||
.8 clc
|
||
lda XBBDD
|
||
sbc ASX.STRINGSTART+1
|
||
rts
|
||
*--------------------------------------
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/basic.fx/basic.s.xm
|
||
LOAD usr/src/basic.fx/basic.s
|
||
ASM
|