A2osX/BIN/EDIT.S.txt

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/A2OSX.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
				
				ldy #S.PS.hARGS
				lda (pPs),y
				beq .7
				
				>SYSCALL SYS.GetMemPtrA
				>STYA ZPPTR1
				
				lda (ZPPTR1)
				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						Y,A = len,X=hMem
				tya
				ldy #FileLen
				sta (pData),y
				iny
				pla
				sta (pData),y

				txa
				ldy #hBuffer
				sta (pData),y
				
				lda #$80
				ldy #bSaved
				sta (pData),y
				ldy #bInsert
				sta (pData),y
				
				lda #12
				jsr COUT
				
				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				cmp #$20
				
.8				clc
				rts	
				
.9				sec
				rts
*--------------------------------------
CS.QUIT			ldy #hBuffer
				lda (pData),y
				>SYSCALL SYS.FreeMemA
				
				clc
				rts
*--------------------------------------
CROUT			lda #13	
*--------------------------------------
COUT			phx
				phy
				ldx #DEVMGR.COUT
				jsr pDevJmp
				ply
				plx
				rts
*--------------------------------------
CS.END
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
bCANCEL			.BS 1
hFileName		.BS 1
hBuffer			.BS 1
FileLen			.BS 2
cPos			.BS 1
rPos			.BS 2
bInsert			.BS 1
bSaved			.BS 1
DS.END
				.ED
*--------------------------------------
MAN
SAVE BIN/EDIT.S
ASM