mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-26 13:49:18 +00:00
148 lines
3.1 KiB
Plaintext
148 lines
3.1 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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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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*--------------------------------------
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* **** START OF A2osX Global Page ****
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*--------------------------------------
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A2osX.GP.B.start
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.PH $BE00
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*--------------------------------------
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* A2osX.SYSCALL (AUXLC to AUXLC)
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* In:
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* X = SYSfnc.Index
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* Y,A = free for Inline param
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*--------------------------------------
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A2osX.GP.Start jmp (KERNEL.SYSCALL,x)
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*--------------------------------------
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* LIBCALL (AUXLC to AUXLC)
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* In:
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* Y = LIB.ID
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* X = LIBfnc.Index
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* A = free for Inline param
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*--------------------------------------
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jmp A2osX.LIBCALL1
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*--------------------------------------
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* Kernel.MLICALL (AUXLC to MAINLC)
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* In:
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* X = MLI Function
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* A = Param Count
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*--------------------------------------
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jmp A2osX.MLICALL1
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*--------------------------------------
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jmp A2osX.ROMCALL1
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.BS $BE10-*
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*--------------------------------------
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jmp (pDev) pDevJmp
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jmp (pCode) pCodeJmp
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jmp (pLib) pLibJmp
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.BS $BE20-*
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*--------------------------------------
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GO.Reset jsr GO.AUXLC
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jmp KERNEL.COLDBOOT
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*--------------------------------------
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A2osX.LIBCALL1 pha
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phx
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tya
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>SYSCALL SYS.GetMemPtrA
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>STYA .1+1
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plx
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pla
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.1 jmp $FFFF
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*--------------------------------------
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A2osX.MLICALL1 jsr GO.MAINLC
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stx .1
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sta MLICALL.PARAMS
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jsr MLI
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.1 .BS 1
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.DA MLICALL.PARAMS
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jsr GO.AUXLC
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rts
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*--------------------------------------
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A2osX.ROMCALL1 plx
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stx .1+1
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plx
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stx .1+2
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ldx RROMBNK1
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jsr .1
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ldx RRAMWRAMBNK1
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ldx RRAMWRAMBNK1
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rts
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.1 jmp $FFFF
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*--------------------------------------
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GO.MAINLC php
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clc
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.HS 2C bit abs
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GO.AUXLC php
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sec
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sei
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sta A2osX.SaveA
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pla keep P in A for later
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stx A2osX.SaveX
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sty A2osX.SaveY
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plx
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ply
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inx
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bne .1
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iny
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.1 stx GO.EXIT.JMP+1
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sty GO.EXIT.JMP+2
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ldx RRAMWRAMBNK1
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ldx RRAMWRAMBNK1
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ldy pStack
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bcs GO.AUXLC1
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GO.MAINLC1 tsx
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stx A2osX.SaveSX
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ldx A2osX.SaveSM
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txs
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stx CLRALTZP
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bra GO.EXIT
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*--------------------------------------
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GO.AUXLC1 stx SETALTZP
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tsx
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stx A2osX.SaveSM
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ldx A2osX.SaveSX
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txs
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*--------------------------------------
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GO.EXIT sty pStack
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pha push P on stack
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ldy A2osX.SaveY
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ldx A2osX.SaveX
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lda A2osX.SaveA
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plp
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GO.EXIT.JMP jmp $FFFF
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*--------------------------------------
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A2osX.SaveA .BS 1
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A2osX.SaveX .BS 1
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A2osX.SaveY .BS 1
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*--------------------------------------
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*--------------------------------------
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IrqHandler
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*--------------------------------------
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A2osX.GP.End .EQ *
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*--------------------------------------
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* CONTROL SECTION :
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*--------------------------------------
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.DO A2osX.GP.End>$BEBF
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ERROR:GP too big
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.FIN
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*--------------------------------------
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.BS A2osX.GP.START+$100-*
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.EP
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*--------------------------------------
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MAN
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SAVE A2OSX.S.GP
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LOAD A2OSX.S
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ASM
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