mirror of https://github.com/A2osX/A2osX.git
382 lines
9.2 KiB
Plaintext
382 lines
9.2 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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DASH
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LDA GET.SET.PARMS+4 GET FILE TYPE
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CMP #$06 BINARY?
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BEQ .3 ...YES, BRUN
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CMP #$04 TEXT?
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BNE .1 ...NO, TRY SYS
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JMP EXEC ...YES, EXEC
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*--------------------------------
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.1 CMP #$FF SYS FILE?
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BEQ .2 ...YES, BRUN IT
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LDA #$0D "FILE TYPE MISMATCH"
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SEC
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RTS
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*---RUN SYS FILE-----------------
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.2 JSR CLOSE.ALL.FILES
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JSR CLOSE.EXEC.FILE
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LDA #0
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STA VAL.A
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LDX #6 RELEASE $8000-$B7FF
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.4 STA BITMAP+16,X
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DEX
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BPL .4
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LDA #$01 RELEASE $B800-$BEFF
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STA BITMAP+23 B800.BFFF
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LDA /$2000 A$2000
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STA VAL.A+1
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LDA #$FF T=SYS
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STA VAL.T
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LDA #$80 SIGNAL FOUND T,A, AND PATHNAME
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STA FBITS+1
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LDA #$05
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STA FBITS
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.3 JMP BRUN
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*--------------------------------
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WARM.DOS
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JSR CLOSE.ALL.FILES
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JSR CROUT
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JMP SC.SOFT
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*--------------------------------
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* LOAD A SOURCE PROGRAM
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*--------------------------------
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LOAD
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JSR ALLOCATE.UPPER.BUFFER
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BCS .5
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LDA #$01 READ
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LDX #$FA FILE TYPE
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JSR OPEN.A.FILE
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BCS .5 ...ERROR
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*---GET LENGTH OF FILE-----------
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LDA SC.INFLAG
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ASL
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BPL .1 ...NOT .INBx
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AND #$7F
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STA MISC.PARMS+3
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LDA #0
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STA MISC.PARMS+2
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BEQ .2 ...ALWAYS
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.1 JSR MLI.D1 GET LENGTH OF FILE
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BCS .5 ...ERROR
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*---FIGURE LOAD ADDRESS----------
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.2 SEC
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LDA SC.HIMEM
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SBC MISC.PARMS+2
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STA READ.WRITE.PARMS+2
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STA VAL.A
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TAX
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LDA SC.HIMEM+1
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SBC MISC.PARMS+3
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STA READ.WRITE.PARMS+3
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STA VAL.A+1
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TAY
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*---CHECK FOR ROOM IN RAM--------
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BMI .6 ADDRESS>$7FFF MEANS NO ROOM
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TXA
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CMP SC.LOMEM
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TYA
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SBC SC.LOMEM+1
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BCC .6 ...BELOW LOMEM
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*---READ FILE--------------------
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LDA MISC.PARMS+2
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STA READ.WRITE.PARMS+4
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LDA MISC.PARMS+3
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STA READ.WRITE.PARMS+5
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JSR MLI.CA READ THE FILE
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BCS .5
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*---CLOSE UNLESS .INBx-----------
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BIT SC.INFLAG
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BVS .4 ...IT IS .INBx
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.3 JSR MLI.CC CLOSE THE FILE
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BCS .5
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*--------------------------------
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.4 LDX VAL.A+1
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LDY VAL.A
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STX SC.PP+1
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STY SC.PP
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.5 RTS
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.6 LDA #$0E "PROGRAM TOO LARGE"
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SEC
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RTS
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*--------------------------------
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* SAVE SOURCE PROGRAM ON DISK
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*--------------------------------
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SAVE
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BCC .1 ...FILE ALREADY HERE
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LDA #$FA FILE TYPE "INT"
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STA VAL.T
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STA GET.SET.PARMS+4
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LDA #$C3
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STA GET.SET.PARMS+3
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LDA SC.PP START OF PROGRAM
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STA CREATE.PARMS+5
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STA GET.SET.PARMS+5
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LDA SC.PP+1
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STA CREATE.PARMS+6
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STA GET.SET.PARMS+6
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JSR MAKE.A.FILE CREATE A NEW FILE
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BCS .2 ...ERROR
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.1 JSR ALLOCATE.UPPER.BUFFER
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BCS .2
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LDA #$02
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LDX #$FA
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JSR OPEN.A.FILE
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BCS .2 ...ERROR
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*---GET LENGTH-------------------
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SEC GET LENGTH
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LDA SC.HIMEM
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SBC SC.PP
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TAX
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STA MISC.PARMS+2
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LDA SC.HIMEM+1
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SBC SC.PP+1
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TAY
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STA MISC.PARMS+3
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LDA #0
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STA MISC.PARMS+4
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*---WRITE THE FILE---------------
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LDA SC.PP
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STA READ.WRITE.PARMS+2
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LDA SC.PP+1
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STA READ.WRITE.PARMS+3
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STX READ.WRITE.PARMS+4
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STY READ.WRITE.PARMS+5
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JSR MLI.CB WRITE DATA ON FILE
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BCS .2 ...ERROR
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JSR MLI.D0 SET EOF (TRUNCATE OLD LONGER FILE)
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BCS .2 ...ERROR
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JSR MLI.CC CLOSE THE FILE
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BCS .2 ...ERROR
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*---UPDATE FILE INFO-------------
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LDA SC.PP+1
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LDX SC.PP
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CMP GET.SET.PARMS+6
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BNE .3
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CPX GET.SET.PARMS+5
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CLC
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BNE .3
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.2 RTS
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.3 STX GET.SET.PARMS+5
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STA GET.SET.PARMS+6
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LDA #0
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STA GET.SET.PARMS+10
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STA GET.SET.PARMS+11
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STA GET.SET.PARMS+12
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STA GET.SET.PARMS+13
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JMP SET.FILE.INFO
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*--------------------------------
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CREATE
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LDX #0
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LDY #0 AuxType = 0000 unless specified
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LDA FBITS+1
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BPL .1 ...no A-value specified
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LDX VAL.A use A-value for AuxType
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LDY VAL.A+1
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.1 STX CREATE.PARMS+5
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STY CREATE.PARMS+6
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LDA FBITS
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AND #$04
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BNE MAKE.A.FILE
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LDA #$0F
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STA VAL.T
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MAKE.A.FILE
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LDA VAL.T
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STA CREATE.PARMS+4
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LDX #$C3
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LDY #$01 SEEDLING
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CMP #$0F
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BNE .1
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LDY #$0D DIRECTORY
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.1 STX CREATE.PARMS+3
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STY CREATE.PARMS+7
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JMP MLI.C0 CREATE
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*--------------------------------
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RENAME LDA FBITS
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AND #$02 PATH 2?
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BEQ .1 ...NO, ERROR
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JMP MLI.C2 RENAME
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.1 JMP ERR.SYNTAX
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*--------------------------------
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LOCK JSR GET.FILE.INFO
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BCS RTS3
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LDA GET.SET.PARMS+3
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AND #$3C
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ORA #$01
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BNE LKUNLK ...ALWAYS
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UNLOCK JSR GET.FILE.INFO
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BCS RTS3
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LDA #$C3
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ORA GET.SET.PARMS+3
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LKUNLK STA GET.SET.PARMS+3
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JMP SET.FILE.INFO
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*--------------------------------
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PREFIX
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LDX #0
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LDA FBITS+1
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AND #$04
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BNE .1 ...SPECIFIED S/D
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LDA FBITS SEE IF SPECIFIED PATHNAME
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LSR
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BCC .3 ...NO, SO PRINT CURRENT PREFIX
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.1 JMP MLI.C6 SET PREFIX
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*---PRINT CURRENT PREFIX---------
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.2 LDA PATHNAME.ONE.BUFFER+1,X
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ORA #$80
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JSR COUT
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INX
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.3 CPX PATHNAME.ONE.BUFFER
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BCC .2
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JSR CROUT
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CLC
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RTS3 RTS
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*--------------------------------
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NOPREFIX
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LDA #0
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STA PATHNAME.ONE.BUFFER
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JMP MLI.C6 SET PREFIX
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*--------------------------------
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BSAVE
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BCC .2 ...EXISTING FILE
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LDA FBITS+1
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AND #$B0 A-EL
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CMP #$90 Require A and either E or L
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BCC .3 ...Neither E nor L
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LDA VAL.A
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STA CREATE.PARMS+5
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STA GET.SET.PARMS+5
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LDA VAL.A+1
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STA CREATE.PARMS+6
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STA GET.SET.PARMS+6
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*---T=BIN unless specified-------
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LDA FBITS
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AND #$04
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BNE .1 ...TYPE SPECIFIED
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LDA #$06 ...NO TYPE, ASSUME BINARY
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STA VAL.T
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.1 LDA VAL.T
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STA GET.SET.PARMS+4
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*--------------------------------
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JSR MAKE.A.FILE
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BCS .4
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JSR GET.FILE.INFO
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BCS .4
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.2 LDA #$02
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BNE B.COMMON ...ALWAYS
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.3 LDA #$06 "PATH NOT FOUND"
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SEC
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.4 RTS
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*--------------------------------
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BRUN
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JSR BLOAD
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BCS .1
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JSR .2
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CLC
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.1 RTS
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.2 JMP (READ.WRITE.PARMS+2)
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*--------------------------------
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BLOAD
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LDA #$01
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B.COMMON
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PHA
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JSR ALLOCATE.UPPER.BUFFER
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PLA
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BCS .3
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LDX #$06
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JSR OPEN.A.FILE
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BCS .3
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LDX VAL.A
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LDY VAL.A+1
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LDA FBITS+1
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BMI .1 ...ADDRESS SPECIFIED
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LDX GET.SET.PARMS+5
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LDY GET.SET.PARMS+6
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LDA FBITS DON'T ALLOW DEFAULT ADDRESS
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AND #$04 ON NON-BINARY FILES
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BEQ .0 ...T not specified, so it is BIN
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LDA VAL.T T specified, better be BIN or SYS
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CMP #$06 is it BIN?
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BEQ .0 ...yes, use AuxType value
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CMP #$FF is it SYS?
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BNE .4 ...no, error
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LDX #$2000 ...type SYS, assume A$2000
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LDY /$2000
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.0 LDA FBITS+1
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.1 STX READ.WRITE.PARMS+2
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STY READ.WRITE.PARMS+3
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LDX VAL.L
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LDY VAL.L+1
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AND #$30
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BEQ .5
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EOR #$30
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BEQ .4
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AND #$10
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BEQ .7
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LDA VAL.E
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SEC
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SBC VAL.A
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TAX
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LDA VAL.E+1
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SBC VAL.A+1
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TAY
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INX
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BNE .2
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INY
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.2 BCS .7
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LDA #$02 "RANGE ERROR"
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SEC
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.3 RTS
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*--------------------------------
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.4 LDA #$0B "INVALID PARAMETER"
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SEC
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RTS
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*--------------------------------
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.5 JSR MLI.D1 GET EOF
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BCS .6
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LDX MISC.PARMS+2
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LDY MISC.PARMS+3
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LDA MISC.PARMS+4
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BEQ .7
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LDA #$0E "PROGRAM TOO LARGE"
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.6 SEC
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RTS
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*--------------------------------
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.7 STX READ.WRITE.PARMS+4
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STY READ.WRITE.PARMS+5
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LDA FBITS+1
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AND #$40
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BEQ .10
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LDX #$02
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.8 LDA VAL.B,X
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STA MISC.PARMS+2,X
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DEX
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BPL .8
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.9 JSR MLI.CE SET MARK
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LDX COMMAND.NUMBER
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BCC .10
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CMP #$02
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BNE .6
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CPX #CN.BSAVE
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BNE .6
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JSR MLI.D0 SET EOF
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BCC .9
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RTS
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*--------------------------------
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.10 LDX COMMAND.NUMBER
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CPX #CN.BSAVE
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BNE .12 ...NOT BSAVE
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JSR MLI.CB ...BSAVE
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BCS .13 ...ERROR
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.11 JMP MLI.CC
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.12 JSR MLI.CA READ
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BCC .11 ...GOOD, CLOSE
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.13 RTS
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*--------------------------------------
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MAN
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SAVE usr/src/scmasm.31/sci.s.loadsave
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LOAD usr/src/scmasm.31/scmasm.s
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ASM
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