mirror of
https://github.com/option8/A2QR.git
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initial upload
This commit is contained in:
Charles Mangin
GitHub
parent
8a0d293e51
commit
b04b161ee6
730
QR.6502
Normal file
730
QR.6502
Normal file
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@ -0,0 +1,730 @@
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DSK QRCODE
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**************************************************
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* To Do:
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* Switch from alphanumeric to byte mode, based
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* on message length, or content
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*
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**************************************************
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* Variables
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**************************************************
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LOBYTE EQU $00
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HIBYTE EQU $01
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BITCOUNTER EQU $02
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BYTECOUNTER EQU $03
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MESSAGELENGTH EQU $04
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ROW EQU $05
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COLUMN EQU $06
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TEMP EQU $07
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MODE EQU $08
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MESSAGE EQU $200 ; string input from basic program
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STORAGE EQU $3000 ; PUT THE WORKING BYTES HERE
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MPINTS EQU $3100 ; QR MESSAGE BYTES
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MPEXP EQU $3180
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SCRATCH EQU $3200
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XORRESULT EQU $3280
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**************************************************
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* Apple Standard Memory Locations
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**************************************************
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CLRLORES EQU $F832
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LORES EQU $C050
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TXTSET EQU $C051
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MIXCLR EQU $C052
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MIXSET EQU $C053
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TXTPAGE1 EQU $C054
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TXTPAGE2 EQU $C055
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KEY EQU $C000
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C80STOREOF EQU $C000
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C80STOREON EQU $C001
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STROBE EQU $C010
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SPEAKER EQU $C030
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VBL EQU $C02E
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RDVBLBAR EQU $C019 ;not VBL (VBL signal low
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WAIT EQU $FCA8
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RAMWRTAUX EQU $C005
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RAMWRTMAIN EQU $C004
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SETAN3 EQU $C05E ;Set annunciator-3 output to 0
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SET80VID EQU $C00D ;enable 80-column display mode (WR-only)
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CLR80VID EQU $C00C
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HOME EQU $FC58 ; clear the text screen
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CH EQU $24 ; cursor Horiz
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CV EQU $25 ; cursor Vert
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VTAB EQU $FC22 ; Sets the cursor vertical position (from CV)
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COUT EQU $FDED ; Calls the output routine whose address is stored in CSW,
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; normally COUTI
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STROUT EQU $DB3A ;Y=String ptr high, A=String ptr low
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ALTTEXT EQU $C055
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ALTTEXTOFF EQU $C054
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RDPAGE2 EQU $C01C ; high bit set if on page2
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ROMINIT EQU $FB2F
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ROMSETKBD EQU $FE89
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ROMSETVID EQU $FE93
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**************************************************
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* Let's get this party started
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**************************************************
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ORG $2000 ; PROGRAM DATA STARTS AT $2000
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JSR ROMINIT ; GR/HGR off, Text page 1
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LDA #$00
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STA LORES ; low res graphics mode
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STA MIXCLR
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JSR CLEARSCREEN ; BLANK SCREEN
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**************************************************
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* TO DO: Analyze message bytes. Max length of 78 characters
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* for byte mode, 114 for alphanumeric mode.
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* If >78 then check for non-alphanumeric characters.
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**************************************************
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; LDA #$40 ; MODE BYTE - #$20 FOR ALPHANUMERIC, #$40 FOR BYTE
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; STA MODE
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LDA MODE
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CMP #$40
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BEQ BYTEMODE
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LDY #$FF
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CONVERT44 ; FOR EACH CHARACTER OF THE MESSAGE, CONVERT TO ALPHANUMERIC 0-44
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INY
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LDX MESSAGE,Y
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BEQ CONVERT11
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LDA ALPHANUM,X
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STA MESSAGE,Y
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JMP CONVERT44
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* break message into character pairs
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* convert character pairs into numbers
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CONVERT11 STY MESSAGELENGTH
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LDY #$00
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GETMESSAGE LDA MESSAGE,Y ; 0
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STA $FC
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JSR MULT45 ; RESULT IN FE,FD
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CLC
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INY ; 1
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LDA MESSAGE,Y
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ADC $FD
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STA $FD
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BCC STOREPAIR
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INC $FE ; RESULT IN FE,FD
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STOREPAIR DEY ; 0
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LDA $FE
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STA STORAGE,Y ; HI BYTE
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INY ; 1
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LDA $FD
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STA STORAGE,Y ; LO BYTE
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INY ; 2
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CPY MESSAGELENGTH
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BEQ BUILDQR
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BCS BUILDQR
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JMP GETMESSAGE
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**************************************************
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* Byte mode = ROR each byte in message 4x, append to mode/length bits.
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**************************************************
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BYTEMODE LDY #$00
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FINDLENGTH LDX MESSAGE,Y
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BEQ FOUNDLENGTH
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INY
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JMP FINDLENGTH
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FOUNDLENGTH STY MESSAGELENGTH
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LDX MESSAGELENGTH
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DEX
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LDA MESSAGE,X ; LAST BYTE OF MESSAGE
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AND #$0F ; LO 4 BITS
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CLC
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ROL
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ROL
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ROL
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ROL
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INX
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STA STORAGE,X ; 4 BITS AT END OF CONVERTED MESSAGE
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COPYMSG LDX #$0 ; COPY THE MESSAGE TO STORAGE
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COPYBYTE LDA MESSAGE,X
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STA STORAGE,X
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INX
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CPX MESSAGELENGTH
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BNE COPYBYTE
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LDY #$04
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RORMSG LDX #$0
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CLC
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PHP
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RORBYTE PLP
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ROR STORAGE,X
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INX
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PHP ; PRESERVES CARRY
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CPX MESSAGELENGTH ; BECAUSE CPX CLOBBERS IT
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BNE RORBYTE
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DEY
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BNE RORMSG
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BUILDQR
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**************************************************
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* pad with mode/char count
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* alphanumeric mode = 0010
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* 0 0010 0000 9 bits character count (EG #$20)
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* 0010 0001 0000 0
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* Byte mode = 0100 & 8 bits CHARACTER COUNT
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**************************************************
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LDA MESSAGELENGTH ; NNNNXXXX
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CLC
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LDX MODE
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CPX #$40
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BEQ LSR4X
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LSR5X LSR ; 5X FOR ALPHANUM MODE, 4X FOR BYTE MODE
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LSR4X LSR
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LSR
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LSR ; -> 5X
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LSR ; 0 0000 NNN
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ORA MODE ; 0010 0NNN OR 0100 NNNN
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LDY #$0
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STA MPINTS,Y ; FIRST MESSAGE BYTE = 4 BITS MODE, PLUS 4 BITS LENGTH
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LDA MESSAGELENGTH ; NNNNXXXX
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CPX #$40
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BNE DOALPHAMODE
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JMP DOBYTEMODE
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DOALPHAMODE AND #$1F ; 000NXXXX
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CLC
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ROL ; <- 3X
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ROL
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ROL ; NXXXX 000
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LDX #$0
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ORA STORAGE,X ; 3 BITS OF FIRST HI BYTE
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INY
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STA MPINTS,Y
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INX
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INY
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LDA STORAGE,X ; FIRST LO BYTE
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STA MPINTS,Y ; HOW CONVENIENT. FIRST PAIR OF BYTES ENDS ON AN 8X BOUNDARY.
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INY ; SET UP NEXT BYTE OF QR
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* FOR EACH REMAINING PAIR OF BYTES, GET 3 BITS FROM HI, 8 BITS FROM LO
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LDA #$08
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STA BITCOUNTER ; CURRENT BIT OF QR ENCODING CYCLE
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LDA MPINTS,Y ; CURRENT BYTE OF QR DATA
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LDX #$02 ; WHICH BYTE OF MESSAGE
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NEXTMBYTE ROL STORAGE,X ; HI BYTE - ROL 5X
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ROL STORAGE,X
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ROL STORAGE,X
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ROL STORAGE,X
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ROL STORAGE,X ; BIT 5 -> BIT 0
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BIT0 ROL STORAGE,X ; BIT 0 INTO CARRY
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ROL ; CARRY INTO NEXT BIT OF QR
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DEC BITCOUNTER ; DONE WITH A FULL BYTE OF QR? 7
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BNE BIT1
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JSR NEXTQRBYTE
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BIT1 ROL STORAGE,X ; BIT 1 INTO CARRY
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ROL
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DEC BITCOUNTER ; 6
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BNE BIT2
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JSR NEXTQRBYTE
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BIT2 ROL STORAGE,X ; BIT 2 INTO CARRY
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ROL
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DEC BITCOUNTER ; 5
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BNE BIT3
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JSR NEXTQRBYTE
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BIT3 INX ; FINISHED WITH HI BYTE
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ROL STORAGE,X ; BIT 0 OF LO BYTE INTO CARRY
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ROL
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DEC BITCOUNTER ; 4
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BNE BIT4
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JSR NEXTQRBYTE
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BIT4 ROL STORAGE,X ; AND SO ON...
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ROL
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DEC BITCOUNTER ; 3
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BNE BIT5
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JSR NEXTQRBYTE
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BIT5 ROL STORAGE,X
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ROL
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DEC BITCOUNTER ; 2
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BNE BIT6
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JSR NEXTQRBYTE
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BIT6 ROL STORAGE,X
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ROL
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DEC BITCOUNTER ; 1
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BNE BIT7
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JSR NEXTQRBYTE
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BIT7 ROL STORAGE,X
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ROL
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DEC BITCOUNTER ; 0
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BNE BIT8
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JSR NEXTQRBYTE
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BIT8 ROL STORAGE,X
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ROL
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DEC BITCOUNTER
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BNE BIT9
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JSR NEXTQRBYTE
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BIT9 ROL STORAGE,X
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ROL
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DEC BITCOUNTER
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BNE BIT10
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JSR NEXTQRBYTE
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BIT10 ROL STORAGE,X
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ROL
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DEC BITCOUNTER
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BNE NEXTHIBYTE
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JSR NEXTQRBYTE
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NEXTHIBYTE INX
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CPX MESSAGELENGTH ; up to 114 BYTES OF MESSAGE
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BEQ PADBYTES
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BCS PADBYTES
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JMP NEXTMBYTE ; 3 BITS OF HI BYTE AND 8 OF LO BYTE ROTATED INTO QR BYTESTREAM
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DOBYTEMODE AND #$0F ; A=MESSAGELENGTH. 0000XXXX
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CLC
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ROL
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ROL
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ROL
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ROL ; XXXX____
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ORA STORAGE,Y
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INY
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BYTEMODELOOP STA MPINTS,Y
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CPY MESSAGELENGTH
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BEQ LASTBYTE
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LDA STORAGE,Y
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INY
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JMP BYTEMODELOOP
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LASTBYTE LDA STORAGE,Y
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INY
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STA MPINTS,Y
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JMP PADLOOP
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* pad to 80 bytes with 0s and 11101100 00010001 (#$EC #$11)
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PADBYTES LDX BITCOUNTER ; ALWAYS TERMINATE WITH 4 ZEROES
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PADBYTES2 CLC
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DEC BITCOUNTER
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BMI PADBITS
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ROL
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JMP PADBYTES2
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PADBITS STA MPINTS,Y ; STORE INCOMPLETE BYTE WITH TRAILING ZEROS
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CPX #$04 ; NEEDS TO BE AT LEAST 4 FOR TERMINATOR
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BCS PADLOOP
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INY
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PADLOOP INY ; NEXT QR BYTE
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CPY #$50
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BEQ DOECCBYTES ; ARE WE DONE HERE?
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LDA #$EC
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STA MPINTS,Y
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INY ; NEXT QR BYTE
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CPY #$50
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BEQ DOECCBYTES ; ARE WE DONE HERE?
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LDA #$11
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STA MPINTS,Y
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JMP PADLOOP
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DOECCBYTES LDX #$0 ; OH, THIS GON' BE FUN.
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LDA #$50
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STA BYTECOUNTER ; HOW MANY TIMES HAVE WE BEEN HERE BEFORE?
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COPYBYTES LDA MPINTS,X ; COPY COMPLETE MESSAGE BYTES TO STORAGE SPACE AT $8000
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STA STORAGE,X
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INX
|
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CPX #$51 ; DONE ALL 80 BYTES
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BNE COPYBYTES
|
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|
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|
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ECCSTEP1 LDX #$0 ; convert integers in message to exponents
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|
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MSGTOEXP LDY MPINTS,X ; convert integers in message to exponents
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LDA INTTOEXP,Y
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STA MPEXP,X
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INX
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CPX #$51
|
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BNE MSGTOEXP ; MSG EXPONENTS IN MPEXP
|
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|
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ECCSTEP2 LDX #$0 ; Multiply the Generator Polynomial by the Lead EXPONENT of the Message Polynomial
|
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STEP2LOOP LDA MPEXP ; mp first exponent
|
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CLC
|
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ADC GENERATOR,X ; ADDED TO each gp exponent
|
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TAY
|
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BCC SCRATCHINT ; MOD 255 ON ROLLOVER > FF ADDS CARRY
|
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INY
|
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SCRATCHINT LDA EXPTOINT,Y ; convert EXPONENTS in RESULT to INTEGERS
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STA SCRATCH,X ; STORE IN WORK AREA 2
|
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INX
|
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CPX #$15
|
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BNE STEP2LOOP ; INTEGER RESULTS IN SCRATCH
|
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|
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ECCSTEP3 LDX #$0 ; XOR the result with the message polynomial (INTEGERS)
|
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XORBYTE LDA SCRATCH,X ; INTEGER RESULT OF MULTIPLICATION
|
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EOR MPINTS,X ; INTEGER TERMS OF MESSAGE
|
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STOREXOR STA XORRESULT,X ; RESULT FEEDS INTO STEP 1
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INX
|
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CPX #$51
|
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BNE XORBYTE
|
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; XORRESULT CONTAINS INTEGER RESULT
|
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|
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******
|
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* if the lead term of the xor result is also 0, you should discard it as well
|
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*****
|
||||
|
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SKIPZERO LDX XORLO ; FIRST RESULT IS ALWAYS ZERO.
|
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INX ; SO SKIP IT
|
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STX LOBYTE
|
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LDA XORHI
|
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STA HIBYTE
|
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|
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LDY #$0 ; convert integers in RESULT to exponents
|
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FINDZERO LDA (LOBYTE),Y ; FIND LEADING ZERO TERM(s)
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BNE XORTOEXP
|
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INC LOBYTE
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DEC BYTECOUNTER
|
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JMP FINDZERO
|
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|
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XORTOEXP STA MPINTS,Y ; RESULT INTEGERS IN MPINTS
|
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TAX ; FIRST NONZERO RESULT -> X
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LDA INTTOEXP,X
|
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STA MPEXP,Y ; $9080 + Y
|
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INY
|
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LDA (LOBYTE),Y
|
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CPY #$51
|
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BNE XORTOEXP ; RESULT EXPONENTS IN MPEXP
|
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|
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DEC BYTECOUNTER ; DO ECC MATH UNTIL THERE'S 20 REMAINDERS
|
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BEQ ECCDONE
|
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JMP ECCSTEP2
|
||||
|
||||
|
||||
|
||||
ECCDONE ; XORRESULT CONTAINS 20 ECC BYTES
|
||||
LDX #$1
|
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LDY #$50
|
||||
BUILDMSG LDA XORRESULT,X
|
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STA STORAGE,Y
|
||||
INX
|
||||
INY
|
||||
CPX #$16
|
||||
BNE BUILDMSG ; STORAGE NOW HAS FULL 100 BYTES OF MESSAGE
|
||||
|
||||
RESETBYTE LDA #$0 ; SET UP FOR BYTE/BIT TRACKING
|
||||
STA BYTECOUNTER
|
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RESETBIT LDA #$8
|
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STA BITCOUNTER
|
||||
|
||||
|
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LDA #$20 ; ROW=33 (0-#$20)
|
||||
STA ROW ; COLUMN=33 (0-#$20)
|
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STA COLUMN
|
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NEXTZIG CLC ; QRLINE=ROW/2
|
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LDA ROW
|
||||
LSR
|
||||
TAX ; LINE NUM OF BLANK QR = ROW/2
|
||||
LDA QRLINESLO,X
|
||||
STA LOBYTE
|
||||
LDA QRLINESHI,X
|
||||
STA HIBYTE ; ADDRESS OF QRLINEX
|
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LDY COLUMN ; Y=BYTE OF LINE
|
||||
LDA (LOBYTE),Y ; GET THE BYTE THAT'S AT THAT SPOT IN THE QR
|
||||
|
||||
BCC LONIBBLE ; IT'S LATER. IF CARRY SET, THEN (HI) NIBBLE
|
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AND #$F0 ;
|
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CMP #$10 ; 1 IN HI NIBBLE MEANS BLANK AND READY FOR BIT
|
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BNE ZAG
|
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JSR SETPIXEL ; GET A BIT FROM THE MESSAGE, AND DEPOSIT INTO THE PIXEL
|
||||
JMP ZAG ; DONE WITH RIGHT PIXEL, DO LEFT PIXEL
|
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LONIBBLE AND #$0F
|
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CMP #$01 ; 1 IN LO NIBBLE MEANS BLANK AND READY FOR BIT
|
||||
BNE ZAG ; OCCUPIED?
|
||||
JSR SETPIXEL ; GET A BIT FROM THE MESSAGE, AND DEPOSIT INTO THE PIXEL
|
||||
ZAG DEY ; ZIG IS DONE/OCCUPIED, TIME TO ZAG - ONE COLUMN TO THE LEFT
|
||||
LDA ROW ; LOST THE CARRY, SO CHECK THE ROW AGAIN
|
||||
LSR
|
||||
LDA (LOBYTE),Y ; GET CURRENT QR PIXEL
|
||||
BCC LONIBBLE2
|
||||
AND #$F0
|
||||
CMP #$10 ; 1 IN HI NIBBLE MEANS BLANK AND READY FOR BIT
|
||||
BNE NEXTROW
|
||||
JSR SETPIXEL ; GET A BIT FROM THE MESSAGE, AND DEPOSIT INTO THE PIXEL
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JMP NEXTROW
|
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LONIBBLE2 AND #$0F
|
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CMP #$01 ; 1 IN LO NIBBLE MEANS BLANK AND READY FOR BIT
|
||||
BNE NEXTROW
|
||||
JSR SETPIXEL ; GET A BIT FROM THE MESSAGE, AND DEPOSIT INTO THE PIXEL
|
||||
|
||||
NEXTROW LDA COLUMN ; GOING UP OR GOING DOWN? EG $20 UP $1E DOWN.
|
||||
CMP #$06 ; *** EXCEPT IF THE COLUMN IS LESS THAN #$06 (TIMING PATTERN IN COL #$06)
|
||||
; JFC. THIS IS COMPLICATED.
|
||||
BCS DIVBY4
|
||||
ADC #$1 ; CARRY CLEAR, COLUMN LESS THAN 7, ADD 1 THEN DO THE MATH
|
||||
|
||||
DIVBY4 LSR ; DIVIDE STARTING COLUMN BY 2
|
||||
LSR ; DIVIDE AGAIN
|
||||
BCS GOINGDOWN ; CARRY SET HERE MEANS GOING DOWN, CLEAR MEANS UP.
|
||||
GOINGUP LDA ROW
|
||||
BEQ UTURN ; TURN THE CORNER AT ROW 0
|
||||
DEC ROW
|
||||
LDA COLUMN
|
||||
JMP NEXTZIG ;
|
||||
|
||||
GOINGDOWN LDA ROW
|
||||
CMP #$20 ; LAST ROW?
|
||||
BEQ UTURN ; TURN THE CORNER, ROW 32
|
||||
INC ROW ; OTHERWISE, NEXT ROW
|
||||
LDA COLUMN
|
||||
JMP NEXTZIG
|
||||
|
||||
UTURN LDA COLUMN
|
||||
CMP #$08 ; IS IT #$08? THEN SKIP THE TIMING COLUMN.
|
||||
BNE CKCOLUMN
|
||||
DEC COLUMN ; SKIP THE TIMING COLUMN.
|
||||
CKCOLUMN CMP #$01 ; IS IT #$01? THEN WE'RE DONE HERE.
|
||||
BEQ DODISPLAY
|
||||
DEC COLUMN
|
||||
DEC COLUMN ; TWO COLUMNS OVER FOR NEXT ZIG
|
||||
LDA COLUMN
|
||||
JMP NEXTZIG
|
||||
|
||||
|
||||
DODISPLAY LDX #$0 ; COPY THE QR BYTES TO THE SCREEN.
|
||||
|
||||
|
||||
NEXTLINE LDY #$20
|
||||
LDA QRLINESHI,X ; QRLINESHI/LO,X INTO LO/HIBYTE
|
||||
STA HIBYTE
|
||||
LDA QRLINESLO,X
|
||||
STA LOBYTE
|
||||
|
||||
INX ; LO RES SCREEN LO/HI INTO COLUMN/ROW
|
||||
LDA LoLineTableL,X ; TARGET DOWN ONE ROW FOR WHITE SPACE AT TOP
|
||||
STA ROW
|
||||
LDA LoLineTableH,X
|
||||
STA COLUMN
|
||||
INC ROW
|
||||
INC ROW ; WHITE SPACE ON LEFT
|
||||
|
||||
NEXTCOL LDA (LOBYTE),Y ; GET QR PIXEL
|
||||
STA (ROW),Y ; STORE AT SCREEN PIXEL
|
||||
DEY
|
||||
BPL NEXTCOL
|
||||
CPX #$11
|
||||
BNE NEXTLINE
|
||||
|
||||
QRDONE JMP QRDONE
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
*** NEXTQRBYTE
|
||||
NEXTQRBYTE STA MPINTS,Y ; STORE COMPLETE BYTE
|
||||
LDA #$08 ; RESET LOOP COUNT
|
||||
STA BITCOUNTER
|
||||
INY ; NEXT QR BYTE
|
||||
LDA MPINTS,Y ; INTO ACC
|
||||
RTS ; BACK INTO THE FRAY
|
||||
*** NEXTQRBYTE
|
||||
|
||||
|
||||
|
||||
*** SETPIXEL
|
||||
|
||||
SETPIXEL CMP #$01 ; ACC IS GOING TO BE EITHER 01 OR 10
|
||||
BEQ SETLONIBBLE
|
||||
|
||||
JSR GETNEXTBIT ; LOADS TEMP WITH PROPER F OR 0
|
||||
; Y HAS COLUMN OFFSET
|
||||
; (LOBYTE) HAS ROW
|
||||
SETHINIBBLE LDA TEMP
|
||||
AND #$F0
|
||||
STA TEMP
|
||||
|
||||
LDA (LOBYTE),Y ; GET CURRENT QR PIXEL
|
||||
AND #$0F ; CLEAR HI NIBBLE
|
||||
JMP SETNIBBLE
|
||||
|
||||
SETLONIBBLE JSR GETNEXTBIT ; LOADS TEMP WITH PROPER F OR 0
|
||||
LDA TEMP
|
||||
AND #$0F
|
||||
STA TEMP
|
||||
|
||||
LDA (LOBYTE),Y ; GET CURRENT QR PIXEL
|
||||
AND #$F0 ; CLEAR LO NIBBLE
|
||||
|
||||
SETNIBBLE EOR TEMP
|
||||
STA (LOBYTE),Y ; REPLACE QR PIXEL.
|
||||
RTS
|
||||
*** SETPIXEL
|
||||
|
||||
|
||||
*** GETNEXTBIT
|
||||
GETNEXTBIT LDA BITCOUNTER ; WHERE WERE WE IN THE ROL SHENANIGANS?
|
||||
BNE NEXTBIT ; NOT DONE WITH CURRENT BYTE
|
||||
LDA #$08 ; OR ARE WE?
|
||||
STA BITCOUNTER ; IF SO...
|
||||
INC BYTECOUNTER ; NEXT BYTE
|
||||
NEXTBIT LDX BYTECOUNTER ; ARE WE DONE WITH ALL 100 BYTES?
|
||||
CPX #$64
|
||||
BEQ MASKDONE
|
||||
DEC BITCOUNTER
|
||||
|
||||
|
||||
CLC
|
||||
ROL STORAGE,X
|
||||
BCC WHITEPIXEL
|
||||
BLACKPIXEL LDA #$00
|
||||
BEQ COLORPIXEL ; BRANCH ALWAYS
|
||||
WHITEPIXEL LDA #$FF
|
||||
COLORPIXEL STA TEMP
|
||||
|
||||
DOMASK ; JFC ON A POGO STICK! GOTTA MASK THE BITS!
|
||||
; MASK PATTERN 1: IF (row) mod 2 == 0 THEN FLIP BIT.
|
||||
LDA ROW
|
||||
LSR
|
||||
BCS MASKDONE ; ROW IS ODD, ALL DONE.
|
||||
|
||||
LDA TEMP ; ROW IS EVEN, FLIP THE BIT
|
||||
BNE FLIPBIT
|
||||
DEC TEMP ; TEMP IS ZERO, SET TO FF
|
||||
RTS
|
||||
FLIPBIT INC TEMP ; TEMP IS FF, SET TO ZERO
|
||||
MASKDONE RTS
|
||||
*** GETNEXTBIT
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
**************************************************
|
||||
* blanks the screen quickly.
|
||||
* CLOBBERS A,Y
|
||||
**************************************************
|
||||
|
||||
CLEARSCREEN LDA #$FF
|
||||
LDY #$78
|
||||
FILL1 DEY
|
||||
STA $400, Y
|
||||
STA $480, Y
|
||||
STA $500, Y
|
||||
STA $580, Y
|
||||
STA $600, Y
|
||||
STA $680, Y
|
||||
STA $700, Y
|
||||
STA $780, Y
|
||||
BNE FILL1
|
||||
RTS
|
||||
|
||||
|
||||
*** MULT45
|
||||
MULT45 ; MULTIPLY BYTE IN $FC BY 45 FOR CONVERSION TO 11-BIT BINARY
|
||||
; RESULT IN FE,FD
|
||||
|
||||
LDA #$0
|
||||
STA $FD
|
||||
STA $FE ; ZERO OUT TARGET BYTES
|
||||
LDX #$2D ; X=45
|
||||
LOOP45 CLC
|
||||
LDA $FD
|
||||
ADC $FC
|
||||
STA $FD
|
||||
BCC NEXTMULT
|
||||
INC $FE
|
||||
NEXTMULT DEX
|
||||
BNE LOOP45
|
||||
RTS
|
||||
*** MULT45
|
||||
|
||||
|
||||
|
||||
DS \
|
||||
QRLINE0 HEX 00,F0,F0,F0,F0,F0,00,FF,00,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,FF,00,F0,F0,F0,F0,F0,00
|
||||
QRLINE1 HEX 00,FF,00,00,00,FF,00,FF,FF,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,FF,00,FF,00,00,00,FF,00
|
||||
QRLINE2 HEX 00,FF,F0,F0,F0,FF,00,FF,00,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,FF,00,FF,F0,F0,F0,FF,00
|
||||
QRLINE3 HEX F0,F0,F0,F0,F0,F0,F0,FF,00,1F,10,1F,10,1F,10,1F,10,1F,10,1F,10,1F,10,1F,10,FF,F0,F0,F0,F0,F0,F0,F0
|
||||
QRLINE4 HEX 10,10,10,1F,1F,10,F0,1F,10,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,10,10,10,10,1F,1F,10,10
|
||||
QRLINE5 HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINE6 HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINE7 HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINE8 HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINE9 HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINEA HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINEB HEX 11,11,11,11,11,11,F0,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINEC HEX F1,F1,F1,F1,F1,F1,F0,F1,01,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,00,F0,F0,F0,00,11,11,11,11
|
||||
QRLINED HEX 00,F0,F0,F0,F0,F0,00,FF,0F,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,00,FF,F0,FF,00,11,11,11,11
|
||||
QRLINEE HEX 00,FF,00,00,00,FF,00,FF,FF,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,10,10,10,10,10,11,11,11,11
|
||||
QRLINEF HEX 00,FF,F0,F0,F0,FF,00,FF,00,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
|
||||
QRLINE10 HEX F0,F0,F0,F0,F0,F0,F0,FF,F0,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1,F1
|
||||
|
||||
|
||||
* format string bits
|
||||
* 111001011110011 - v4, Low ECC
|
||||
|
||||
DS \
|
||||
GENERATOR HEX 00,11,3C,4F,32,3D,A3,1A,BB,CA,B4,DD,E1,53,EF,9C,A4,D4,D4,BC,BE
|
||||
* 0 17 60 79 50 61 163 26 187 202 180 221 225 83 239 156 164 212 212 188 190
|
||||
|
||||
DS \
|
||||
ALPHANUM DS 32
|
||||
HEX 24,FF,FF,FF,25,26,FF,FF,FF,FF,27,28,FF,29,2A,2B,00,01,02,03,04,05,06,07,08,09,2C,FF,FF,FF,FF,FF,FF,0A,0B,0C,0D,0E,0F,10,11,12,13,14,15,16,17,18,19,1A,1B,1C,1D,1E,1F,20,21,22,23
|
||||
* ASCII VAL
|
||||
|
||||
DS \
|
||||
INTTOEXP HEX 00,00,01,19,02,32,1A,C6,03,DF,33,EE,1B,68,C7,4B,04,64,E0,0E,34,8D,EF,81,1C,C1,69,F8,C8,08,4C,71,05,8A,65,2F,E1,24,0F,21,35,93,8E,DA,F0,12,82,45,1D,B5,C2,7D,6A,27,F9,B9,C9,9A,09,78,4D,E4,72,A6,06,BF,8B,62,66,DD,30,FD,E2,98,25,B3,10,91,22,88,36,D0,94,CE,8F,96,DB,BD,F1,D2,13,5C,83,38,46,40,1E,42,B6,A3,C3,48,7E,6E,6B,3A,28,54,FA,85,BA,3D,CA,5E,9B,9F,0A,15,79,2B,4E,D4,E5,AC,73,F3,A7,57,07,70,C0,F7,8C,80,63,0D,67,4A,DE,ED,31,C5,FE,18,E3,A5,99,77,26,B8,B4,7C,11,44,92,D9,23,20,89,2E,37,3F,D1,5B,95,BC,CF,CD,90,87,97,B2,DC,FC,BE,61,F2,56,D3,AB,14,2A,5D,9E,84,3C,39,53,47,6D,41,A2,1F,2D,43,D8,B7,7B,A4,76,C4,17,49,EC,7F,0C,6F,F6,6C,A1,3B,52,29,9D,55,AA,FB,60,86,B1,BB,CC,3E,5A,CB,59,5F,B0,9C,A9,A0,51,0B,F5,16,EB,7A,75,2C,D7,4F,AE,D5,E9,E6,E7,AD,E8,74,D6,F4,EA,A8,50,58,AF
|
||||
|
||||
EXPTOINT HEX 01,02,04,08,10,20,40,80,1D,3A,74,E8,CD,87,13,26,4C,98,2D,5A,B4,75,EA,C9,8F,03,06,0C,18,30,60,C0,9D,27,4E,9C,25,4A,94,35,6A,D4,B5,77,EE,C1,9F,23,46,8C,05,0A,14,28,50,A0,5D,BA,69,D2,B9,6F,DE,A1,5F,BE,61,C2,99,2F,5E,BC,65,CA,89,0F,1E,3C,78,F0,FD,E7,D3,BB,6B,D6,B1,7F,FE,E1,DF,A3,5B,B6,71,E2,D9,AF,43,86,11,22,44,88,0D,1A,34,68,D0,BD,67,CE,81,1F,3E,7C,F8,ED,C7,93,3B,76,EC,C5,97,33,66,CC,85,17,2E,5C,B8,6D,DA,A9,4F,9E,21,42,84,15,2A,54,A8,4D,9A,29,52,A4,55,AA,49,92,39,72,E4,D5,B7,73,E6,D1,BF,63,C6,91,3F,7E,FC,E5,D7,B3,7B,F6,F1,FF,E3,DB,AB,4B,96,31,62,C4,95,37,6E,DC,A5,57,AE,41,82,19,32,64,C8,8D,07,0E,1C,38,70,E0,DD,A7,53,A6,51,A2,59,B2,79,F2,F9,EF,C3,9B,2B,56,AC,45,8A,09,12,24,48,90,3D,7A,F4,F5,F7,F3,FB,EB,CB,8B,0B,16,2C,58,B0,7D,FA,E9,CF,83,1B,36,6C,D8,AD,47,8E,01
|
||||
|
||||
|
||||
XORLO db <XORRESULT
|
||||
XORHI db >XORRESULT
|
||||
|
||||
QRLINESLO DB <QRLINE0,<QRLINE1,<QRLINE2,<QRLINE3,<QRLINE4,<QRLINE5,<QRLINE6,<QRLINE7,<QRLINE8,<QRLINE9,<QRLINEA,<QRLINEB,<QRLINEC,<QRLINED,<QRLINEE,<QRLINEF,<QRLINE10
|
||||
QRLINESHI DB >QRLINE0,>QRLINE1,>QRLINE2,>QRLINE3,>QRLINE4,>QRLINE5,>QRLINE6,>QRLINE7,>QRLINE8,>QRLINE9,>QRLINEA,>QRLINEB,>QRLINEC,>QRLINED,>QRLINEE,>QRLINEF,>QRLINE10
|
||||
|
||||
Lo01 equ $400
|
||||
Lo02 equ $480
|
||||
Lo03 equ $500
|
||||
Lo04 equ $580
|
||||
Lo05 equ $600
|
||||
Lo06 equ $680
|
||||
Lo07 equ $700
|
||||
Lo08 equ $780
|
||||
Lo09 equ $428
|
||||
Lo10 equ $4a8
|
||||
Lo11 equ $528
|
||||
Lo12 equ $5a8
|
||||
Lo13 equ $628
|
||||
Lo14 equ $6a8
|
||||
Lo15 equ $728
|
||||
Lo16 equ $7a8
|
||||
Lo17 equ $450
|
||||
Lo18 equ $4d0
|
||||
Lo19 equ $550
|
||||
Lo20 equ $5d0
|
||||
|
||||
LoLineTable DA Lo01,Lo02,Lo03,Lo04,Lo05,Lo06,Lo07,Lo08,Lo09,Lo10,Lo11,Lo12,Lo13,Lo14,Lo15,Lo16,Lo17,Lo18,Lo19,Lo20
|
||||
|
||||
LoLineTableH db >Lo01,>Lo02,>Lo03,>Lo04,>Lo05,>Lo06,>Lo07,>Lo08,>Lo09,>Lo10,>Lo11,>Lo12,>Lo13,>Lo14,>Lo15,>Lo16,>Lo17,>Lo18,>Lo19,>Lo20
|
||||
|
||||
LoLineTableL db <Lo01,<Lo02,<Lo03,<Lo04,<Lo05,<Lo06,<Lo07,<Lo08,<Lo09,<Lo10,<Lo11,<Lo12,<Lo13,<Lo14,<Lo15,<Lo16,<Lo17,<Lo18,<Lo19,<Lo20
|
||||
|
||||
18
qrcode.bas
Normal file
18
qrcode.bas
Normal file
|
|
@ -0,0 +1,18 @@
|
|||
10 HOME : PRINT "One moment..." : PRINT CHR$ (4)"BLOAD QRCO DE,A$2000"
|
||||
20 VTAB 8: PRINT "This program creates and displays a": PRINT "QR code of 33 by 33 pixels.": PRINT "": PRINT "Choose an encoding type:"
|
||||
30 HTAB 4: VTAB 14: PRINT "[A] for Alphanumeric.": HTAB 4: PRINT "Up to 114 characters. Limited": HTAB 4: PRINT "to upper case letters, numbers,": HTAB 4: PRINT "$ % * + - . / : and spaces."
|
||||
40 HTAB 4: VTAB 19: PRINT "[B] for Bytes.": HTAB 4: PRINT "Limited to 78 ASCII characters."
|
||||
50 VTAB 22: INPUT "Enter A or B :";M$
|
||||
60 IF NOT (M$ = "A" OR M$ = "B" or M$="a" or M$="b") THEN GOTO 50
|
||||
70 IF (M$ = "B" or M$="b") THEN POKE M$ = "B" : 8,64: GOTO 700
|
||||
80 IF (M$ = "A" or M$="a") THEN M$ = "A": POKE 8,32: GOTO 800
|
||||
700 HOME : VTAB 8
|
||||
710 PRINT "BYTE MODE:": PRINT " Enter up to 78 ASCII characters:"
|
||||
730 GOTO 1000
|
||||
800 HOME : VTAB 8
|
||||
810 PRINT "ALPHANUMERIC MODE:": PRINT "Enter up to 114 characters:"
|
||||
820 VTAB 16: INVERSE: PRINT "Valid characters:" : PRINT "A-Z 0-9 $ % * + - . / : (space)": NORMAL
|
||||
1000 VTAB 12: INPUT ">";S$
|
||||
1010 if ((M$ = "A" and len(S$)>114) or (M$ = "B" and len(S$)>78)) then ? "Message too long.": goto 1000
|
||||
|
||||
1020 CALL 8192
|
||||
BIN
qrcode.dsk
Normal file
BIN
qrcode.dsk
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user