mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-19 20:29:34 +00:00
287 lines
5.4 KiB
Plaintext
287 lines
5.4 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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LOMEM $A00
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INC 1
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AUTO 6
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*--------------------------------------
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DevMgr.NUL.Code .DA .1 STATUS
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.DA DevMgr.BADCALL READBLOCK
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.DA DevMgr.BADCALL WRITEBLOCK
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.DA DevMgr.BADCALL FORMAT
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.DA DevMgr.BADCALL CONTROL
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.DA DevMgr.BADCALL INIT
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.DA DevMgr.BADCALL OPEN
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.DA DevMgr.BADCALL CLOSE
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.DA DevMgr.BADCALL READ
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.DA .8 WRITE
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.8 clc
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rts
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*--------------------------------------
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.1 >LDYAI .2
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clc
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rts
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*--------------------------------------
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.2 .DA #S.DEV.S.WRITE+S.DEV.S.READ
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.DA #0,#0,#0
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>PSTR "NULL DEVICE "
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.DA #S.DEVSTAT.TYPE.CHAR
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.DA #0
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.DA $0900
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*--------------------------------------
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DevMgr.SYS.Code .DA .1 STATUS
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.DA DevMgr.BADCALL READBLOCK
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.DA DevMgr.BADCALL WRITEBLOCK
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.DA DevMgr.BADCALL FORMAT
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.DA DevMgr.SYS.Control
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.DA DevMgr.BADCALL INIT
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.DA DevMgr.SYS.Open
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.DA DevMgr.BADCALL CLOSE
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.DA DevMgr.SYS.Read
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.DA DevMgr.SYS.Write
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*--------------------------------------
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.1 >LDYAI .2
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clc
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rts
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*--------------------------------------
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.2 .DA #S.DEV.S.WRITE+S.DEV.S.READ
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.DA #0,#0,#0
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>PSTR "A2osX SYS Screen"
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.DA #S.DEVSTAT.TYPE.CHAR
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.DA #0
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.DA $0900
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*--------------------------------------
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DevMgr.SYS.Open stz DevMgr.SYS.CH
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stz DevMgr.SYS.CV
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ldx #0
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ldy #0
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.1 lda DevMgr.SYS.TITLE,y
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beq .2
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jsr DevMgr.SYS.SetCharAtYX
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iny
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bne .1
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.2 lda #$20
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jsr DevMgr.SYS.SetCharAtYX
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iny
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cpy #80
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bne .2
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jsr DevMgr.SYS.Home
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lda #1
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sta A2osX.SCRNDEVS+1 fall in Control
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*--------------------------------------
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DevMgr.SYS.Control
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sta SETTEXT
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sta SETALTCHAR
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sta SET80DISP
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sta CLR80STORE
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sta SETPAGE2
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lda #2
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sta A2osX.ASCREEN
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clc
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rts
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*--------------------------------------
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DevMgr.SYS.Read lda A2osX.ASCREEN
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cmp #2 is SYS active?
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bne .9
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lda OPENAPPLE
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bmi .9 Open apple key, not for us...
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lda KBD
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bpl .9
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sta KBDSTROBE
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and #$7F
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clc
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rts
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.9 lda #0 Error = no event
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sec
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rts
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*--------------------------------------
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DevMgr.SYS.Write
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phx
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phy
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cmp #' '
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bcc .1
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ldy DevMgr.SYS.CH
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ldx DevMgr.SYS.CV
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ora #$80
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jsr DevMgr.SYS.SetCharAtYX
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jsr DevMgr.SYS.FSOut
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bra .8
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.1 cmp #10
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bne .2
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jsr DevMgr.SYS.LF
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bra .8
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.2 cmp #13
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bne .3
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jsr DevMgr.SYS.CR
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bra .8
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.3 ora #$20
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jsr DevMgr.SYS.SetCharAtYX
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jsr DevMgr.SYS.FSOut
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.8 ply
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plx
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clc
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rts
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*--------------------------------------
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DevMgr.SYS.FSOut
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lda DevMgr.SYS.CH
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cmp #79
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bne .1
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stz DevMgr.SYS.CH
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bra DevMgr.SYS.LF
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.1 inc DevMgr.SYS.CH
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rts
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*--------------------------------------
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DevMgr.SYS.CR jsr DevMgr.SYS.ClrEOL
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stz DevMgr.SYS.CH
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rts
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*--------------------------------------
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DevMgr.SYS.LF ldx DevMgr.SYS.CV
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cpx #23
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beq DevMgr.SYS.Scroll
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inc DevMgr.SYS.CV
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rts
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*--------------------------------------
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DevMgr.SYS.ClrEOL
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ldx DevMgr.SYS.CV
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lda #$A0
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ldy DevMgr.SYS.CH
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.1 cpy #79
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beq .2
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jsr DevMgr.SYS.SetCharAtYX
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iny
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bne .1
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.2 rts
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*--------------------------------------
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DevMgr.SYS.Scroll
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ldx #1
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.1 lda DevMgr.SYS.BASEL,x
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sta ZPDRV
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lda DevMgr.SYS.BASEH,x
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sta ZPDRV+1
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inx
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lda DevMgr.SYS.BASEL,x
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sta ZPDRV+2
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lda DevMgr.SYS.BASEH,x
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sta ZPDRV+3
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php
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sei
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sta SETWRITEAUX
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sta SETREADAUX
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ldy #39
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.2 lda (ZPDRV+2),y
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sta (ZPDRV),y
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dey
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bpl .2
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sta CLRWRITEAUX
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sta CLRREADAUX
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plp
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ldy #39
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.3 lda (ZPDRV+2),y
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sta (ZPDRV),y
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dey
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bpl .3
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cpx #23
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bne .1 Fall in ClrLineAtX for last line
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*--------------------------------------
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DevMgr.SYS.ClrLineAtX
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lda DevMgr.SYS.BASEL,x
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sta ZPDRV
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lda DevMgr.SYS.BASEH,x
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sta ZPDRV+1
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php
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sei
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lda #$A0
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ldy #39
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.1 sta SETWRITEAUX
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sta (ZPDRV),y
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sta CLRWRITEAUX
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sta (ZPDRV),y
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dey
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bpl .1
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plp
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rts
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*--------------------------------------
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DevMgr.SYS.Home ldx #23
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.1 jsr DevMgr.SYS.ClrLineAtX
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dex
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bne .1
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stz DevMgr.SYS.CH
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lda #1
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sta DevMgr.SYS.CV
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rts
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*--------------------------------------
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DevMgr.SYS.SetCharAtYX
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cmp #$40
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bcc .1
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cmp #$5F
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bcs .1
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and #$3F
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.1 php
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phy
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pha
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lda DevMgr.SYS.BASEL,x
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sta ZPDRV
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lda DevMgr.SYS.BASEH,x
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sta ZPDRV+1
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tya
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lsr
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tay
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bcs .2
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sta SETWRITEAUX
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.2 pla
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sta (ZPDRV),y
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sta CLRWRITEAUX
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ply
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plp
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rts
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*--------------------------------------
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DevMgr.SYS.CH .BS 1
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DevMgr.SYS.CV .BS 1
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*--------------------------------------
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DevMgr.SYS.TITLE >CSTR "A2osX System Screen"
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DevMgr.SYS.BASEL .HS 00.80.00.80.00.80.00.80.28.A8.28.A8.28.A8.28.A8.50.D0.50.D0.50.D0.50.D0
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DevMgr.SYS.BASEH .HS 08.08.09.09.0A.0A.0B.0B.08.08.09.09.0A.0A.0B.0B.08.08.09.09.0A.0A.0B.0B
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*--------------------------------------
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DevMgr.BADCALL lda #MLI.ERR.BADCALL
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sec
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rts
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*--------------------------------------
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DevMgr.FreeMem .EQ *
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MAN
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SAVE SYS/KERNEL.S.D01
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LOAD SYS/KERNEL.S
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ASM
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