mirror of
https://github.com/A2osX/A2osX.git
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115 lines
2.0 KiB
Plaintext
115 lines
2.0 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF SBIN/GUI
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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*--------------------------------------
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* Main entry point
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*--------------------------------------
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* Code signature and INIT table
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*--------------------------------------
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* CLD $D8
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* JMP (*,x) $7C
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* #JMPTABLE
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* /JMPTABLE
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.DEVNAME.GFX .DA DEVNAME.GFX
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.DA 0
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.DA CS.END-CS.START Code Length To Relocate
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.DA DS.END-DS.START Data Segment to Allocate
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*--------------------------------------
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CS.INIT >LDYA L.DEVNAME.GFX
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>SYSCALL SYS.GetDevByNameYA
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bcc .10
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rts
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.10 sta hDevGFX
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>SYSCALL SYS.GetDevByIDA
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>STYA ZPQuickPtr1
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ldy #S.DEV.hCS
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lda (ZPQuickPtr1),y
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>SYSCALL SYS.GetMemPtrA
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>STYA DevJMP
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stz C
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stz X
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stz X+1
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.1 stz Y
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>DEBUG
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.2
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>PUSHBI C Color
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>PUSHBI 2 Mode:1=B/W,2=16 colors,...,128=XOR
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>PUSHB Y
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>PUSHW X
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jsr SetPixel
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inc Y
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lda Y
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cmp #192
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bne .2
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inc C
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lda C
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cmp #16
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bne .3
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stz C
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.3 lda X
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clc
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adc #4
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sta X
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bcc .4
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inc X+1
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.4 lda X
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sec
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sbc #560
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lda X+1
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sbc /560
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bcc .1
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clc
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.9 rts
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*--------------------------------------
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CS.RUN clc
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rts
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*--------------------------------------
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CS.DOEVENT clc
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rts
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*--------------------------------------
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CS.QUIT clc
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rts
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*--------------------------------------
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SetPixel ldx #DEVMGR.GFX.SETPIXEL
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jmp (DevJMP)
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*--------------------------------------
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CS.END
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DEVNAME.GFX >PSTRING "GFX"
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DEVNAME.MOU0 >PSTRING "MOU0"
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DS.START
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hDevGFX .BS 1
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DevJMP .BS 2
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X .BS 2
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Y .BS 1
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C .BS 1
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DS.END
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MAN
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SAVE SBIN/GUI.S
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ASM
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