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https://github.com/bobbimanners/Applecorn.git
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VDU5 is now basically working
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Bobbi Webber-Manners
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75333d5638
commit
4fe3d4debc
BIN
applecorn.po
BIN
applecorn.po
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@ -224,5 +224,5 @@ BYTE00 BEQ BYTE00A ; OSBYTE 0,0 - generate error
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RTS ; %000x1xxx host type, 'A'pple
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BYTE00A BRK
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DB $F7
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HELLO ASC 'Applecorn MOS 2022-01-08'
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HELLO ASC 'Applecorn MOS 2022-01-09'
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DB $00 ; Unify MOS messages
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24
auxmem.vdu.s
24
auxmem.vdu.s
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@ -398,6 +398,7 @@ PUTCURSOR TAX ; Preserve character
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TXA
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JMP PUTCHRC
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:SHR TXA ; Recover character
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* TODO: Add code for XOR cursor in SHR mode
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RTS
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@ -409,6 +410,7 @@ PUTCOPYCURS TAX ; Preserve character
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JMP OUTCHARCP
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:SHR TXA ; Recover character
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JMP OUTCHARCP2
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* TODO: Add code for XOR copy cursor in SHR mode
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RTS
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@ -523,10 +525,17 @@ SCROLL JSR SCROLLER
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* Move cursor down
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VDU10 LDA VDUTEXTY ; ROW
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CMP TXTWINBOT
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BEQ :TOSCRL ; JGH
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BEQ VDU10SCRL
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INC VDUTEXTY ; ROW
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RTS
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:TOSCRL JMP SCROLL ; JGH
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LDA VDUSTATUS
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AND #$20 ; Bit 5 -> VDU5 mode
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BEQ VDU10DONE
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BIT VDUSCREEN
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BVC VDU10DONE ; Not SHR, skip
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>>> XF2MAIN,SHRVDU10
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VDU10RET >>> ENTAUX
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VDU10DONE RTS
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VDU10SCRL JMP SCROLL
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* Move cursor up
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VDU11 LDA VDUTEXTY ; ROW
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@ -548,7 +557,14 @@ VDU13 LDA #$BF
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JSR CLRSTATUS ; Turn copy cursor off
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LDA TXTWINLFT
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STA VDUTEXTX ; COL
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RTS
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LDA VDUSTATUS
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AND #$20 ; Bit 5 -> VDU5 mode
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BEQ VDU13DONE
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BIT VDUSCREEN
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BVC VDU13DONE ; Not SHR, skip
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>>> XF2MAIN,SHRVDU13
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VDU13RET >>> ENTAUX
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VDU13DONE RTS
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* Move to (0,0)
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VDU30 LDA TXTWINTOP
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@ -234,13 +234,26 @@ SHRVDU5CH320 >>> ENTMAIN
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ADC #SHRFONTXPLD
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STA A1L
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LDA SHRYPIXEL ; See if we are too close to bttm
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CMP #16
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BCC :NEWPAGE1 ; Less than 16 rows left
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LDA SHRYPIXEL ; y coordinate
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SEC
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SBC #8 ; Height of this row
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CMP SHRWINBTM
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BMI :NEWPAGE
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LDA SHRYPIXEL
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CMP SHRWINTOP
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BEQ :S1
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BPL :NEWPAGE
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:S1 LDA SHRXPIXEL ; x coordinate
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CMP SHRWINLFT
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BMI :NEWPAGE
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CMP SHRWINRGT
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BEQ :S0
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BPL :NEWPAGE
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BRA :S0
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:NEWPAGE1 LDA #199
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:NEWPAGE LDA SHRWINTOP
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STA SHRYPIXEL
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STZ SHRXPIXEL
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LDA SHRWINLFT
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STA SHRXPIXEL
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:S0 SEP #$30 ; 8 bit M & X
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MX %11 ; Tell Merlin
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@ -294,24 +307,15 @@ SHRVDU5CH320 >>> ENTMAIN
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LDA SHRXPIXEL
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CLC
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ADC #16 ; Advance to next column
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CMP #639-16
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CMP SHRWINRGT
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BCS :NEWLINE ; X-pos >= limit
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STA SHRXPIXEL
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BRA :DONE
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:NEWLINE STZ SHRXPIXEL
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LDA SHRYPIXEL
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CMP #16
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BCC :NEWPAGE2 ; Less than 16 rows left
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SEC
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SBC #$08
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STA SHRYPIXEL
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BRA :DONE
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:NEWPAGE2 LDA #199
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STA SHRYPIXEL
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:DONE SEC ; 65816 emulation mode
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:NEWLINE JSR SHRVDU5LF
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:DONE SEC ; 65816 emulation mode
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XCE
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MX %11 ; Tell Merlin
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PLP
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>>> XF2AUX,SHRPRCH320RET
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* Zero page
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:CTR1 EQU TMPZP+0
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@ -324,6 +328,59 @@ SHRVDU5CH640 >>> ENTMAIN
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>>> XF2AUX,SHRPRCH640RET
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* Handle linefeed in VDU5 mode
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SHRVDU10 >>> ENTMAIN
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PHP ; Disable interrupts
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SEI
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CLC ; 65816 native mode
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XCE
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REP #$30 ; 16 bit M & X
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MX %00 ; Tell Merlin
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JSR SHRVDU5LF
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:DONE SEC ; 65816 emulation mode
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XCE
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MX %11 ; Tell Merlin
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PLP
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>>> XF2AUX,VDU10RET
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* Handle linefeed in VDU5 mode
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* Called in 65816 native mode, 16 bit M & X
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SHRVDU5LF MX %00 ; Tell Merlin
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LDA SHRWINLFT
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STA SHRXPIXEL
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LDA SHRYPIXEL
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SEC
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SBC #16 ; Height of this+next row
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CMP SHRWINBTM
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BMI :NEWPAGE ; Less than 16 rows left
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LDA SHRYPIXEL
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SEC
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SBC #$08
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STA SHRYPIXEL
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BRA :DONE
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:NEWPAGE LDA SHRWINTOP
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STA SHRYPIXEL
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:DONE RTS
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MX %11 ; 8 bit again
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* Handle carriage return in VDU5 mode
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SHRVDU13 >>> ENTMAIN
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PHP ; Disable interrupts
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SEI
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CLC ; 65816 native mode
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XCE
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REP #$30 ; 16 bit M & X
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MX %00 ; Tell Merlin
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JSR SHRVDU5LF
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:DONE SEC ; 65816 emulation mode
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XCE
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MX %11 ; Tell Merlin
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PLP
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>>> XF2AUX,VDU13RET
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* Plot actions: PLOT k,x,y
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* k is in SHRVDUQ+4
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* x is in SHRVDUQ+5,SHRVDUQ+6
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@ -423,10 +480,12 @@ SHRPOINT REP #$30 ; 16 bit M & X
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BMI :OUT
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CMP SHRWINTOP
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BEQ :S1
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BPL :OUT
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:S1 LDA A1L ; x coordinate
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CMP SHRWINLFT
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BMI :OUT
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CMP SHRWINRGT
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BEQ SHRPOINT2
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BPL :OUT
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BRA SHRPOINT2
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:OUT SEP #$30 ; 8 bit M & X
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