A2osX/BIN/EDIT.S.txt

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/BIN/EDIT
*--------------------------------------
.INB INC/MACROS.I
.INB INC/KERNEL.I
.INB INC/A2OSX.I
.INB INC/A2OSX.API.I
.INB INC/LIBSTR.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
ZPPTR2 .EQ ZPBIN+2
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length To Relocate
.DA DS.END-DS.START Data Segment to Allocate
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
.DA 0
*--------------------------------------
CS.INIT lda #0
ldy #DS.END-DS.START-1
.1 sta (pData),y
dey
bpl .1
lda #12
jsr COUT
ldy #S.PS.hARGS
lda (pPs),y
beq .7
>SYSCALL SYS.GetMemPtrA
>STYA ZPQuickPtr1
lda (ZPQuickPtr1),y
cmp #'/'
bne .10
ldy #S.PS.hARGS
lda (pPs),y
bra .3
.10 ldy #S.PS.hARGS
lda (pPs),y
>PUSHA
ldy #S.PS.hPREFIX
lda (pPs),y
>PUSHA
>SYSCALL SYS.PStrCat
.3 ldy #hFileName
sta (pData),y
>SYSCALL SYS.LoadFileA
bcs .9
bra .8
.7 >PUSHWI 16
>PUSHBI 0
>SYSCALL SYS.GetMem
bcs .9
>LDYAI 0
.8 pha
tya
ldy #FileLen
sta (pData),y
iny
pla
sta (pData),y
txa
ldy #hBuffer
txa
sta (pData),y
lda (pPs)
ora #S.PS.F.EVENT Now accept events
sta (pPs)
clc
.9 rts
*--------------------------------------
CS.RUN ldy #bCANCEL
lda (pData),y
bne .9
clc
rts
.9 sec
rts
*--------------------------------------
CS.DOEVENT ldy #S.EVT.hDEV is Event from active IN device?
lda (pEvent),y
ldy #S.PS.hINDEV
cmp (pPs),y
bne .9
lda (pEvent)
and #S.EVT.F.KEY is it a KEY event?
beq .9
ldy #S.EVT.DATAHI is it an O or SAPPLE key ?
lda (pEvent),y
bne .9
ldy #S.EVT.DATALO
lda (pEvent),y
cmp #$03 Ctrl-C
bne .1
lda #$FF
ldy #bCANCEL
sta (pData),y
bra .8
.1
.8 clc
rts
.9 sec
rts
*--------------------------------------
CS.QUIT lda #12
jsr COUT
clc
rts
*--------------------------------------
PRBYTE pha
lsr
lsr
lsr
lsr
ora #$B0
cmp #$BA
bcc .1
adc #6
.1 jsr COUT
pla
and #$0F
ora #$B0
cmp #$BA
bcc COUT
adc #6
bra COUT
*--------------------------------------
CROUT lda #13
*--------------------------------------
COUT phx
phy
ldx #DEVMGR.COUT
jsr pDevJmp
ply
plx
rts
pDevJmp jmp (pDev)
*--------------------------------------
CS.END
*--------------------------------------
.DUMMY
.OR 0
DS.START
bCANCEL .BS 1
hFileName .BS 1
hBuffer .BS 1
FileLen .BS 2
xPos .BS 2
yPos .BS 2
DS.END
.ED
*--------------------------------------
MAN
SAVE BIN/EDIT.S
ASM