A2osX/SBIN/DESKTOP.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BOOT/SBIN/DESKTOP
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
*--------------------------------------
*			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
				.DA 0
				.DA 0
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT
				.DA	CS.QUIT
L.DEVNAME.GFX	.DA DEVNAME.GFX
L.DEVNAME.MOUSE	.DA DEVNAME.MOUSE
				.DA 0
*--------------------------------------
CS.INIT			>LDYA L.DEVNAME.GFX
				>SYSCALL SYS.GetDevByNameYA
				bcc .10
				rts
				
.10				stx hDevGFX
				>STYA pDevGFX

.11				>LDYA L.DEVNAME.MOUSE
				>SYSCALL SYS.GetDevByNameYA
				bcc .20
				
				inc DEVNAME.MOUSE+4
				lda DEVNAME.MOUSE+4
				cmp #'8'
				bne .11
				sec
				rts

.20				stx hDevMouse
				>STYA pDevMouse
				
				ldx #DEVMGR.OPEN
				jsr GoDevMouse
				bcs *

				ldx #DEVMGR.OPEN
				jsr GoDevGFX
				bcs *
				
				lda #A2osX.SCREENS.G
				>SYSCALL SYS.ScreenSelectA
				
*				jmp .8
				
				lda #15
				sta C
				
				lda #0
				sta Y		

.1				lda #0
				sta X
				lda /0
				sta X+1
				
.2				>PUSHB C
					
				>PUSHB Y
				>PUSHW X
				>PUSHBI 2				Mode:1=B/W,2=16 colors,...,128=XOR
				
				ldx #DEVMGR.GFX.SETPIXEL
				jsr GoDevGFX
				
				lda X
				clc
				adc #4
				sta X
				bcc .3
				inc X+1
				
.3				lda X
				sec
				sbc #559
				lda X+1
				sbc /559
				bcc .2
				
.4				inc Y
				lda Y
				cmp #192
				beq .8
				and #$7
				bne .1
				dec C
				bpl .1
				lda #15
				sta C
				bra .1
				
.8				lda (pPs)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPs)

				clc	
				rts
*--------------------------------------
CS.RUN			clc
				rts
*--------------------------------------
CS.DOEVENT		ldy #S.EVT.hDEV
				lda (pEvent),y
				
				cmp hDevMouse
				bne .99

				lda (pEvent)
				and #S.EVT.F.MOUSE
				beq .99

				ldy #S.EVT.DATALO
				lda (pEvent),y
				and #4					mouse move
				beq .99
				
				>PUSHBI 15				COLOR

				ldy #S.EVT.DATAW2
				lda (pEvent),y
				>PUSHA					Y
				
				dey
				lda (pEvent),y			X.HI
				>PUSHA

				dey
				lda (pEvent),y
				>PUSHA					X.LO

				>PUSHBI 2				Mode:1=B/W,2=16 colors,...,128=XOR
				ldx #DEVMGR.GFX.SETPIXEL
				jsr GoDevGFX
				
				clc
				rts
				
.99				sec
				rts	
*--------------------------------------
CS.QUIT			clc
				rts
*--------------------------------------
GoDevGFX		jmp (pDevGFX)
GoDevMouse		jmp (pDevMouse)
*--------------------------------------
CS.END
DEVNAME.GFX		>PSTRING "GFX"
DEVNAME.MOUSE	>PSTRING "MOU1"
hDevGFX			.BS 1
pDevGFX			.BS 2
hDevMouse		.BS 1
pDevMouse		.BS 2
X				.BS 2
Y				.BS 1
C				.BS 1
MAN
SAVE SBIN/DESKTOP.S
ASM