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* @com.wudsn.ide.asm.hardware=APPLE2
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* Protocol Converter Call
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XC
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ZPTempL equ $0006 ;Temporary zero page storage
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ZPTempH equ $0007
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N1 equ $0A
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N2 equ $0B
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RSLT equ $0C
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*** Monitor routines ***
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COut equ $FDED ;Console output ASCII
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COUT1 equ $FDF0 ;Output to screen
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CROut equ $FD8E ;Carriage return
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PRbyte equ $FDDA ;Print byte in hex
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PRBL2 equ $F94A ;Print many spaces
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KEYIN equ $FD1B ;Waits for keypress
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** Command Code **
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StatusCmd equ 0
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** Status Code **
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StatusDIB equ 3
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StatusUNI equ 5
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*
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ControlCmd equ 4
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** Control Codes **
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Eject equ 4
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Run equ 5
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SetDWLoad equ 6
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DWLoad equ 7
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*
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org $8000
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*****************************************************
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* Presentation message **************
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*
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* ldx #0
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* LOOP equ *
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* lda DATA,x
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* beq ME2
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* jsr COut
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* inx
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* bne LOOP
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*
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* DATA asc 'UNIDISK 3.5 UTILITY BY R. GRECO'
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* dfb $8D,0 ; Inverse mode on
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*
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* ME2 jsr CROut
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* jsr CROut
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*
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* ldx #0
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* LOOP2 equ *
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* lda DATA2,x
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* beq START
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* ora #$80
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* jsr COut
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* inx
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* bne LOOP2
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*
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* DATA2 asc 'A X Y P'
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* dfb $8D,0 ; Inverse mode on
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*****************************************************
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*
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* Find a Protocol Converter in one of the slots.
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START jsr FindPC
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bcs Error
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jsr CROut
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** Wait keypress to continue **
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*
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* jsr KEYIN
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*
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*** Eject ***
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jsr Dispatch
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dfb ControlCmd
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dw E_JECT
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*** Set Address ***
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jsr Dispatch
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dfb ControlCmd
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dw SET_ADD
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*** Download ***
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jsr Dispatch
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dfb ControlCmd
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dw DOWNLOAD
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*
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jsr EXEC ; Jump the Error routine
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rts
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*********************************************
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Error equ *
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*
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* There's either no PC around, or there was no give message
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*
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ldx #0
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err1 equ *
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lda Message,x
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beq errout
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jsr COut
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inx
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bne err1
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*
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errout equ *
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rts
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*
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Message asc 'NO PC OR NO DEVICE'
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dfb $8D,0
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*********************************************
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*
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** Set the Input Value first **
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EXEC lda #$00
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sta AccValue
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lda N1
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sta X_reg
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lda N2
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sta Y_reg
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** Execute **
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jsr Dispatch
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dfb ControlCmd
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dw EXE
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READ jsr Dispatch
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dfb StatusCmd
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dw DParms
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bcs Error
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*
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**** Screen Output ****
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*
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*** Accumulator ***
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lda UNIAcc_reg
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sta RSLT ; Store the result
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* jsr PRbyte
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* ldx #03 ; Set 3 space
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* jsr PRBL2
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*** X Register ***
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* lda UNIX_reg
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* jsr PRbyte
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* ldx #01 ; Set one space
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* jsr PRBL2
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*** Y Register ***
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* lda UNIY_reg
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* jsr PRbyte
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* ldx #03 ; Set one space
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* jsr PRBL2
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*** Process Status ***
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* lda UNIP_val
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* jsr PRbyte
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* ldx #05 ; Set five space
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* jsr PRBL2
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*
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rts
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******************************************************
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FindPC equ *
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*
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* Search slot 7 to slot 1 looking for signature bytes
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*
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ldx #7 ;Do for seven slots
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lda #$C7
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sta ZPTempH
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lda #$00
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sta ZPTempL
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*
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newslot equ *
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ldy #7
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*
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again equ *
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lda (ZPTempL),y
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cmp sigtab,y ;One for byte signature
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beq maybe ;Found one signature byte
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dec ZPTempH
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dex
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bne newslot
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*
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* if we get here, no PC find
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sec
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rts
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*
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* if we get here, no byte find on PC
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maybe equ *
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dey
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dey ;if N=1 then all sig bytes OK
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bpl again
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* Found PC interface. Set up call address.
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* we already have high byte ($CN), we need low byte
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*
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foundPC equ *
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lda #$FF
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sta ZPTempL
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ldy #0 ;For indirect load
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lda (ZPTempL),y ;Get the byte
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*
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* Now the Acc has the low oreder ProDOS entry point.
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* The PC entry is three locations past this ...
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*
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clc
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adc #3
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sta ZPTempL
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*
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* Now ZPTempL has PC entry point.
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* Return with carry clear.
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*
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clc
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rts
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***********************************************************
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*
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* There are the PC signature bytes in their relative order.
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* The $FF bytes are filler bytes and are not compared.
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*
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sigtab dfb $FF,$20,$FF,$00
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dfb $FF,$03,$FF,$00
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*
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Dispatch equ *
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jmp (ZPTempL) ;Simulate an indirect JSR to PC
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*
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*** Status Parameter Set for UNI ***
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DParms equ *
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DPParmsCt dfb 3 ;Status calls have three parameters
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DPUnit dfb 1
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DPBuffer dw UNI
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DPStatCode dfb StatusUNI
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*
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*
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*** Status Parameter Set for DIB ***
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DParmsDIB equ *
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DPParmsCt2 dfb 3 ;Status calls have three parameters
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DPUnit2 dfb 1
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DPBuffer2 dw DIB
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DPStatCode2 dfb StatusDIB
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*
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*
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*** Status List DIB ***
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DIB equ *
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DIBStatByte1 dfb 0
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DIBDevSize dfb 0,0,0
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DIBNameLen dfb 0
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DIBName ds 16,0
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DIBType dfb 0
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DIBSubType dfb 0
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DIBVersion dw 0
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*
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*** Status List UNI ***
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UNI equ *
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dfb 0
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UNIError dfb 0
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UNIRetries dfb 0
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UNIAcc_reg dfb 0
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UNIX_reg dfb 0
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UNIY_reg dfb 0
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UNIP_val dfb 0
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HHH dfb 0
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*
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*** Set Address ***
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SET_ADD equ *
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dfb 3
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dfb 1
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dw CNTL_LIST3
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dfb SetDWLoad
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*
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*** Download ***
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DOWNLOAD equ *
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dfb 3
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dfb 1
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dw CNTL_LIST4
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dfb DWLoad
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*
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*** Execute ***
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EXE equ *
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dfb 3
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dfb 1
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dw CNTL_LIST2
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dfb Run
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*** Eject ***
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E_JECT equ *
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dfb 3
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dfb 1
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dw CNTL_LIST1
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dfb Eject
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*
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******** CONTROL LISTS ********
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*
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*
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*** Eject ***
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CNTL_LIST1 equ *
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dw $0000
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*
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*** Execute ***
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CNTL_LIST2 equ *
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Clow_byte dfb $06
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Chigh_byte dfb $00
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AccValue dfb $00 ; Input Value
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X_reg dfb $00 ; Input Value (N1)
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Y_reg dfb $00 ; Input Value (N2)
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ProStatus dfb $00
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LowPC_reg dfb $05 ; Like ORG
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HighPC_reg dfb $05
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*
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*** Set Address ***
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CNTL_LIST3 equ *
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CountL_byte dfb $02
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CountH_byte dfb $00
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LByte_Addr dfb $05 ; Like ORG
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HByte_Addr dfb $05
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*
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*** Download ***
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CNTL_LIST4 equ *
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LenghtL_byte dfb $09 ;<----- Lenght of Unidisk program Lo Byte
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LenghtH_byte dfb $00 ;<----- Lenght of Unidisk program Hi Byte
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*
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*** Start UNIDISK Program ***
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stx $C0
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sty $C1
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lda $C0
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adc $C1
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rts
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