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87 lines
1.4 KiB
Plaintext
87 lines
1.4 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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GFX.Open >PUSHW L.DEV.GFX
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>PUSHBI 0
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>SYSCALL Open
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bcs .9
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>STA.G hDevGFX
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rts
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ldy #S.PS.hStdIn
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lda (pPS),y
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bit #1
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beq .9
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>PUSHA
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>PUSHBI IOCTL.CONTROL
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>PUSHWI 0
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>SYSCALL IOCTL
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.9 rts
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*--------------------------------------
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GFX.Close >LDA.G hDevGFX
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beq .9
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>SYSCALL Close
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.9 rts
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*--------------------------------------
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* (Y X C)
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*--------------------------------------
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GFX.PLOT ldx #S.CB.CMD.SETPIXEL
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jsr GFX.WriteX
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lda pStack
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clc
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adc #8
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sta pStack
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clc
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rts
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*--------------------------------------
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* (Y2 X2 Y1 X1 C)
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*--------------------------------------
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GFX.RECT ldx #S.CB.CMD.FILLRECT
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jsr GFX.WriteX
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lda pStack
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clc
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adc #12
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sta pStack
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clc
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rts
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*--------------------------------------
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GFX.WriteX ldy #1
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lda (pStack)
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sta (pStack),y
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lda #S.CB.M.C16
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sta (pStack)
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>PUSHBI S.CB.OP.SET
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txa
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>PUSHA
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>PUSHB.G hDevGFX
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>PUSHBI IOCTL.WRITE
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lda pStack
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clc
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adc #2
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tay
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lda pStack+1
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adc #0
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>PUSHYA
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>SYSCALL IOCTL
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clc DHGR.DRV bug ?
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rts
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*--------------------------------------
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*--------------------------------------
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*--------------------------------------
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MAN
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SAVE usr/src/bin/forth.s.gfx
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LOAD usr/src/bin/forth.s
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ASM
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