Updated disk image. Builds on Merlin-16 again.
This commit is contained in:
Bobbi Webber-Manners
parent
5eceff7e82
commit
fa879f7f52
BIN
applecorn.po
BIN
applecorn.po
Binary file not shown.
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@ -58,9 +58,6 @@ COPYBUF EQU $9200 ; File copy needs separate buffer
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* Location of FDraw library in main memory
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FDRAWADDR EQU $9400
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* Location of bitmap font in main memory
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FONTADDR EQU $A900
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* Address in aux memory where ROM will be loaded
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AUXADDR EQU $8000
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478
auxmem.vdu.s
478
auxmem.vdu.s
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@ -23,7 +23,7 @@
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* VDU DRIVER ZERO PAGE
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**********************
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* $00D0-$00DF VDU driver zero page workspace
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VDUSTATUS EQU $D0 ; $D0 # VDU status
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VDUSTATUS EQU $D0 ; $D0 # VDU status
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* bit 7 = VDU 21 VDU disabled
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* bit 6 = COPY cursor active
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* bit 5 = VDU 5 Text at graphics cursor
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@ -33,78 +33,78 @@ VDUSTATUS EQU $D0 ; $D0 # VDU status
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* bit 1 = Don't scroll (COPY cursor or VDU 5 mode)
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* bit 0 = VDU 2 printer echo active
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*
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VDUCHAR EQU VDUSTATUS+1 ; $D1
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VDUADDR EQU VDUSTATUS+4 ; $D4 address of current char cell
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OLDCHAR EQU OSKBD1 ; *TEMP* character under cursor
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COPYCHAR EQU OSKBD2 ; *TEMP* character under copy cursor
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VDUCHAR EQU VDUSTATUS+1 ; $D1
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VDUADDR EQU VDUSTATUS+4 ; $D4 address of current char cell
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OLDCHAR EQU OSKBD1 ; *TEMP* character under cursor
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COPYCHAR EQU OSKBD2 ; *TEMP* character under copy cursor
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* VDU DRIVER MAIN WORKSPACE
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***************************
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FXLINES EQU BYTEVARBASE+217 ; Paged scrolling line counter
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FXVDUQLEN EQU BYTEVARBASE+218 ; Length of pending VDU queue
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FXLINES EQU BYTEVARBASE+217 ; Paged scrolling line counter
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FXVDUQLEN EQU BYTEVARBASE+218 ; Length of pending VDU queue
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VDUVARS EQU $290
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VDUVAREND EQU $2ED
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GFXWINLFT EQU VDUVARS+$00 ; # graphics window left
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GFXWINBOT EQU VDUVARS+$02 ; # graphics window bottom \ window
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GFXWINRGT EQU VDUVARS+$04 ; # graphics window right / size
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GFXWINTOP EQU VDUVARS+$06 ; # graphics window top
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TXTWINLFT EQU VDUVARS+$08 ; # text window left
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TXTWINBOT EQU VDUVARS+$09 ; # text window bottom \ window
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TXTWINRGT EQU VDUVARS+$0A ; # text window right / size
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TXTWINTOP EQU VDUVARS+$0B ; # text window top
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GFXORIGX EQU VDUVARS+$0C ; graphics X origin
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GFXORIGY EQU VDUVARS+$0E ; graphics Y origin
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GFXWINLFT EQU VDUVARS+$00 ; # graphics window left
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GFXWINBOT EQU VDUVARS+$02 ; # graphics window bottom \ window
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GFXWINRGT EQU VDUVARS+$04 ; # graphics window right / size
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GFXWINTOP EQU VDUVARS+$06 ; # graphics window top
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TXTWINLFT EQU VDUVARS+$08 ; # text window left
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TXTWINBOT EQU VDUVARS+$09 ; # text window bottom \ window
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TXTWINRGT EQU VDUVARS+$0A ; # text window right / size
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TXTWINTOP EQU VDUVARS+$0B ; # text window top
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GFXORIGX EQU VDUVARS+$0C ; graphics X origin
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GFXORIGY EQU VDUVARS+$0E ; graphics Y origin
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*
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GFXPOSNX EQU VDUVARS+$10 ; current graphics X posn
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GFXPOSNY EQU VDUVARS+$12 ; current graphics Y posn
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GFXLASTX EQU VDUVARS+$14 ; last graphics X posn
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GFXLASTY EQU VDUVARS+$16 ; last graphics Y posn
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VDUTEXTX EQU VDUVARS+$18 ; # absolute text X posn = POS+WINLFT
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VDUTEXTY EQU VDUVARS+$19 ; # absolute text Y posn = VPOS+WINTOP
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VDUCOPYX EQU VDUVARS+$1A ; absolute COPY text X posn
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VDUCOPYY EQU VDUVARS+$1B ; absolute COPY text Y posn
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GFXPOSNX EQU VDUVARS+$10 ; current graphics X posn
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GFXPOSNY EQU VDUVARS+$12 ; current graphics Y posn
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GFXLASTX EQU VDUVARS+$14 ; last graphics X posn
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GFXLASTY EQU VDUVARS+$16 ; last graphics Y posn
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VDUTEXTX EQU VDUVARS+$18 ; # absolute text X posn = POS+WINLFT
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VDUTEXTY EQU VDUVARS+$19 ; # absolute text Y posn = VPOS+WINTOP
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VDUCOPYX EQU VDUVARS+$1A ; absolute COPY text X posn
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VDUCOPYY EQU VDUVARS+$1B ; absolute COPY text Y posn
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*
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PIXELPLOTX EQU VDUVARS+$1C ; PLOT graphics X in pixels
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PIXELPLOTY EQU VDUVARS+$1E ; PLOT graphics Y in pixels
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PIXELPOSNX EQU VDUVARS+$20 ; current graphics X in pixels
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PIXELPOSNY EQU VDUVARS+$22 ; current graphics Y in pixels
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PIXELLASTX EQU VDUVARS+$24 ; last graphics X in pixels
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PIXELLASTY EQU VDUVARS+$26 ; last graphics Y in pixels
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PIXELPLOTX EQU VDUVARS+$1C ; PLOT graphics X in pixels
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PIXELPLOTY EQU VDUVARS+$1E ; PLOT graphics Y in pixels
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PIXELPOSNX EQU VDUVARS+$20 ; current graphics X in pixels
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PIXELPOSNY EQU VDUVARS+$22 ; current graphics Y in pixels
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PIXELLASTX EQU VDUVARS+$24 ; last graphics X in pixels
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PIXELLASTY EQU VDUVARS+$26 ; last graphics Y in pixels
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*
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CURSOR EQU VDUVARS+$28 ; character used for cursor
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CURSORED EQU VDUVARS+$29 ; character used for edit cursor
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CURSORCP EQU VDUVARS+$2A ; character used for copy cursor
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CURSOR EQU VDUVARS+$28 ; character used for cursor
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CURSORED EQU VDUVARS+$29 ; character used for edit cursor
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CURSORCP EQU VDUVARS+$2A ; character used for copy cursor
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*
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VDUQ EQU VDUVARS+$2B ; $2B..$33
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VDUQLAST EQU VDUQ+1 ; Neatly becomes VDUVARS+$2C
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VDUQPLOT EQU VDUQ+5 ; Neatly becomes VDUVARS+$30
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VDUQ EQU VDUVARS+$2B ; $2B..$33
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VDUQLAST EQU VDUQ+1 ; Neatly becomes VDUVARS+$2C
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VDUQPLOT EQU VDUQ+5 ; Neatly becomes VDUVARS+$30
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*
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VDUBORDER EQU VDUVARS+$34 ; Border colour
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VDUMODE EQU VDUVARS+$35 ; # current MODE
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VDUSCREEN EQU VDUVARS+$36 ; # MODE type
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TXTFGD EQU VDUVARS+$37 ; # Text foreground
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TXTBGD EQU VDUVARS+$38 ; # Text background
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GFXFGD EQU VDUVARS+$39 ; # Graphics foreground
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GFXBGD EQU VDUVARS+$3A ; # Graphics background
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GFXPLOTFGD EQU VDUVARS+$3B ; # Foreground GCOL action
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GFXPLOTBGD EQU VDUVARS+$3C ; # Background GCOL action
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VDUBORDER EQU VDUVARS+$34 ; Border colour
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VDUMODE EQU VDUVARS+$35 ; # current MODE
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VDUSCREEN EQU VDUVARS+$36 ; # MODE type
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TXTFGD EQU VDUVARS+$37 ; # Text foreground
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TXTBGD EQU VDUVARS+$38 ; # Text background
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GFXFGD EQU VDUVARS+$39 ; # Graphics foreground
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GFXBGD EQU VDUVARS+$3A ; # Graphics background
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GFXPLOTFGD EQU VDUVARS+$3B ; # Foreground GCOL action
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GFXPLOTBGD EQU VDUVARS+$3C ; # Background GCOL action
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VDUVAR3D EQU VDUVARS+$3D
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VDUVAR3E EQU VDUVARS+$3E
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VDUBYTES EQU VDUVARS+$3F ; # bytes per char, 1=text only
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VDUCOLOURS EQU VDUVARS+$40 ; # colours-1
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VDUPIXELS EQU VDUVARS+$41 ; # pixels per byte
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VDUWORKSP EQU VDUVARS+$42 ; 28 bytes of general workspace
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VDUBYTES EQU VDUVARS+$3F ; # bytes per char, 1=text only
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VDUCOLOURS EQU VDUVARS+$40 ; # colours-1
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VDUPIXELS EQU VDUVARS+$41 ; # pixels per byte
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VDUWORKSP EQU VDUVARS+$42 ; 28 bytes of general workspace
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VDUWORKSZ EQU VDUVAREND-VDUWORKSP+1
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*
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* Screen definitions
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* 3 6 7
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SCNTXTMAXX DB 79,39,19,79,39,19,39,39 ; Max text column
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SCNTXTMAXY DB 23,23,23,23,23,23,23,23 ; Max text row
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SCNBYTES DB 1, 1, 1, 1, 1, 1, 1, 1 ; Bytes per character
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SCNCOLOURS DB 1, 1, 1, 1, 1, 1, 1, 1 ; Colours-1
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SCNTYPE DB 1, 0,128,1, 0, 0, 0,64 ; Screen type
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SCNTXTMAXX DB 79,39,19,79,39,19,39,39 ; Max text column
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SCNTXTMAXY DB 23,23,23,23,23,23,23,23 ; Max text row
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SCNBYTES DB 1,1
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SCNCOLOURS DB 1,1
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SCNTYPE DB 1,0,128,1
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* b7=FastDraw
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* b6=Teletext
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* b0=40COL/80COL
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@ -123,36 +123,36 @@ SCNTAB DW $800,$880,$900,$980,$A00,$A80,$B00,$B80
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* CS if printer echo enabled for this character
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*
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OUTCHAR LDX FXVDUQLEN
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BNE ADDTOQ ; Waiting for chars
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BNE ADDTOQ ; Waiting for chars
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CMP #$7F
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BEQ CTRLDEL ; =$7F - control char
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BEQ CTRLDEL ; =$7F - control char
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CMP #$20
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BCC CTRLCHAR ; <$20 - control char
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BCC CTRLCHAR ; <$20 - control char
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BIT VDUSTATUS
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BMI OUTCHEXIT ; VDU disabled
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OUTCHARCP JSR PRCHRC ; Store char, checking keypress
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JSR VDU09 ; Move cursor right
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BMI OUTCHEXIT ; VDU disabled
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OUTCHARCP JSR PRCHRC ; Store char, checking keypress
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JSR VDU09 ; Move cursor right
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* OSBYTE &75 - Read VDUSTATUS
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*****************************
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BYTE75
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OUTCHEXIT LDA VDUSTATUS
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TAX
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LSR A ; Return Cy=Printer Echo Enabled
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LSR A ; Return Cy=Printer Echo Enabled
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RTS
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CTRLDEL LDA #$20 ; $7F becomes $20
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CTRLDEL LDA #$20 ; $7F becomes $20
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CTRLCHAR CMP #$01
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BEQ ADDQ ; One param
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BEQ ADDQ ; One param
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CMP #$11
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BCC CTRLCHARGO ; Zero params
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ADDQ STA VDUCHAR ; Save initial character
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BCC CTRLCHARGO ; Zero params
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ADDQ STA VDUCHAR ; Save initial character
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AND #$0F
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TAX
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LDA QLEN,X
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STA FXVDUQLEN ; Number of params to queue
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BEQ CTRLCHARGO1 ; Zero, do it now
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QDONE CLC ; CLC=Don't echo VDU queue to printer
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STA FXVDUQLEN ; Number of params to queue
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BEQ CTRLCHARGO1 ; Zero, do it now
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QDONE CLC ; CLC=Don't echo VDU queue to printer
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RTS
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ADDTOQ STA VDUQ-256+9,X
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INC FXVDUQLEN
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@ -160,22 +160,22 @@ ADDTOQ STA VDUQ-256+9,X
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CTRLCHARGO1 LDA VDUCHAR
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CTRLCHARGO ASL A
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TAY
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CMP #$10 ; 8*2
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BCC CTRLCHARGO2 ; ctrl<$08, don't echo to printer
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EOR #$FF ; ctrl>$0D, don't echo to printer
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CMP #$E5 ; (13*2) EOR 255
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CTRLCHARGO2 PHP ; Save CS=(ctrl>=8 && ctrl<=13)
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JSR CTRLCHARJMP ; Call routine
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CMP #$10 ; 8*2
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BCC CTRLCHARGO2 ; ctrl<$08, don't echo to printer
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EOR #$FF ; ctrl>$0D, don't echo to printer
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CMP #$E5 ; (13*2) EOR 255
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CTRLCHARGO2 PHP ; Save CS=(ctrl>=8 && ctrl<=13)
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JSR CTRLCHARJMP ; Call routine
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PLP
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BCS OUTCHEXIT ; If echoable, test if printer enabled
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RTS ; Return, CC=Don't echo to printer
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BCS OUTCHEXIT ; If echoable, test if printer enabled
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RTS ; Return, CC=Don't echo to printer
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OUTCHARGO ASL A ; Entry point to move COPY cursor
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TAY ; (TEMP and scroll screen)
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OUTCHARGO ASL A ; Entry point to move COPY cursor
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TAY ; (TEMP and scroll screen)
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CTRLCHARJMP CPY #6*2
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BEQ CTRLCHAR6 ; Always allow VDU 6 through
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BEQ CTRLCHAR6 ; Always allow VDU 6 through
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BIT VDUSTATUS
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BMI VDU00 ; VDU disabled
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BMI VDU00 ; VDU disabled
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CTRLCHAR6 LDA CTRLADDRS+1,Y
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PHA
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LDA CTRLADDRS+0,Y
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@ -202,46 +202,46 @@ CTRLADDRS DW VDU00-1,VDU01-1,VDU02-1,VDU03-1
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* VDU 2 - Start print job
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VDU02
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* JSR select printer
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LDA #$01 ; Set Printer Echo On
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LDA #$01 ; Set Printer Echo On
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BNE SETSTATUS
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* VDU 5 - Text at graphics cursor
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VDU05 LDX VDUPIXELS
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BEQ SETEXIT ; 0 pixels per char, text only
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BEQ SETEXIT ; 0 pixels per char, text only
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* Turn cursor off and other stuff
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LDA #$20 ; Set VDU 5 mode
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LDA #$20 ; Set VDU 5 mode
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BNE SETSTATUS
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* VDU 14 - Select paged scrolling
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VDU14 STZ FXLINES ; Reset line counter
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LDA #$04 ; Set Paged Mode
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VDU14 STZ FXLINES ; Reset line counter
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LDA #$04 ; Set Paged Mode
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BNE SETSTATUS
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* VDU 21 - Disable VDU
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VDU21 LDA #$80 ; Set VDU disabled
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VDU21 LDA #$80 ; Set VDU disabled
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SETSTATUS ORA VDUSTATUS ; Set bits in VDU STATUS
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SETSTATUS ORA VDUSTATUS ; Set bits in VDU STATUS
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STA VDUSTATUS
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SETEXIT RTS
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* VDU 3 - End print job
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VDU03
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* JSR flush printer
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LDA #$FE ; Clear Printer Echo
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LDA #$FE ; Clear Printer Echo
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BNE CLRSTATUS
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* VDU 4 - Text at text cursor
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VDU04
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* Turn cursor on and other stuff
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LDA #$DF ; Clear VDU 5 mode
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LDA #$DF ; Clear VDU 5 mode
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BNE CLRSTATUS
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* VDU 15 - Disable paged scrolling
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VDU15 LDA #$FB ; Clear paged scrolling
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VDU15 LDA #$FB ; Clear paged scrolling
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BRA CLRSTATUS
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* VDU 6 - Enable VDU
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VDU06 LDA #$7F ; Clear VDU disabled
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VDU06 LDA #$7F ; Clear VDU disabled
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CLRSTATUS AND VDUSTATUS
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STA VDUSTATUS
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@ -252,30 +252,30 @@ CLRSTATUS AND VDUSTATUS
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* A=cursor key, CS from caller
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COPYMOVE PHA
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BIT VDUSTATUS
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BVS COPYMOVE2 ; Edit cursor already on
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BVS COPYMOVE2 ; Edit cursor already on
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JSR GETCHRC
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STA COPYCHAR
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LDA CURSORED
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JSR PUTCHRC ; Edit cursor
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JSR PUTCHRC ; Edit cursor
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SEC
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JSR COPYSWAP2 ; Initialise copy cursor
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JSR COPYSWAP2 ; Initialise copy cursor
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ROR FLASHER
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ASL FLASHER ; Ensure b0=0
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ASL FLASHER ; Ensure b0=0
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LDA #$42
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ORA VDUSTATUS
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STA VDUSTATUS ; Turn cursor editing on
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STA VDUSTATUS ; Turn cursor editing on
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COPYMOVE2 PLA
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AND #3 ; Convert to 8/9/10/11
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AND #3 ; Convert to 8/9/10/11
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ORA #8
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COPYMOVE3 JMP OUTCHARGO ; Move edit cursor
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COPYMOVE3 JMP OUTCHARGO ; Move edit cursor
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* Swap between edit and copy cursors
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COPYSWAP1 CLC ; CC=Swap TEXT and COPY
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COPYSWAP1 CLC ; CC=Swap TEXT and COPY
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COPYSWAP2 LDX #1
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COPYSWAPLP LDY VDUCOPYX,X
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LDA VDUTEXTX,X
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STA VDUCOPYX,X
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BCS COPYSWAP3 ; CS=Copy TEXT to COPY
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BCS COPYSWAP3 ; CS=Copy TEXT to COPY
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TYA
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STA VDUTEXTX,X
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COPYSWAP3 DEX
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@ -284,75 +284,75 @@ COPYSWAP4 RTS
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* Perform backspace & delete operation
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VDU127 JSR VDU08 ; Move cursor back
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LDA #' ' ; Overwrite with a space
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VDU127 JSR VDU08 ; Move cursor back
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LDA #' ' ; Overwrite with a space
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BNE PUTCHRC
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* Display character at current (TEXTX,TEXTY)
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PRCHRC PHA ; Save character
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PRCHRC PHA ; Save character
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LDA $C000
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BPL :RESUME ; No key pressed
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BPL :RESUME ; No key pressed
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EOR #$80
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:PAUSE1 JSR KBDCHKESC ; Ask KBD to test if Escape
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:PAUSE1 JSR KBDCHKESC ; Ask KBD to test if Escape
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BIT ESCFLAG
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BMI :RESUMEACK ; Escape, skip pausing
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BMI :RESUMEACK ; Escape, skip pausing
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CMP #$13
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BNE :RESUME ; Not Ctrl-S
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STA $C010 ; Ack. keypress
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BNE :RESUME ; Not Ctrl-S
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STA $C010 ; Ack. keypress
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:PAUSE2 LDA $C000
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BPL :PAUSE2 ; Loop until keypress
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BPL :PAUSE2 ; Loop until keypress
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EOR #$80
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CMP #$11 ; Ctrl-Q
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BEQ :RESUMEACK ; Stop pausing
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JSR KBDCHKESC ; Ask KBD to test if Escape
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CMP #$11 ; Ctrl-Q
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BEQ :RESUMEACK ; Stop pausing
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JSR KBDCHKESC ; Ask KBD to test if Escape
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BIT ESCFLAG
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BPL :PAUSE2 ; No Escape, keep pausing
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:RESUMEACK STA $C010 ; Ack. keypress
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BPL :PAUSE2 ; No Escape, keep pausing
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:RESUMEACK STA $C010 ; Ack. keypress
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:RESUME PLA
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* Put character to screen
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PUTCHRC LDY VDUBYTES
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DEY ; If VDUBYTE=1, text mode
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BNE PRCHRSOFT ; Graphics mode
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EOR #$80 ; Convert character
|
||||
DEY ; If VDUBYTE=1, text mode
|
||||
BNE PRCHRSOFT ; Graphics mode
|
||||
EOR #$80 ; Convert character
|
||||
TAY
|
||||
AND #$A0
|
||||
BNE PRCHR4
|
||||
CPY #$20
|
||||
BCS PRCHR3 ; Not $80-$9F
|
||||
BCS PRCHR3 ; Not $80-$9F
|
||||
BIT VDUSCREEN
|
||||
BVC PRCHR3 ; Not teletext
|
||||
LDY #$E0 ; Convert $80-$9F to space
|
||||
BVC PRCHR3 ; Not teletext
|
||||
LDY #$E0 ; Convert $80-$9F to space
|
||||
PRCHR3 TYA
|
||||
EOR #$40
|
||||
TAY
|
||||
PRCHR4 PHY
|
||||
JSR CHARADDR ; Find character address
|
||||
PLA ; Get character back
|
||||
PHP ; Disable IRQs while
|
||||
SEI ; toggling memory
|
||||
BCC PRCHR6 ; Aux memory
|
||||
STA $C004 ; Switch to main memory
|
||||
PRCHR6 STA (VDUADDR),Y ; Store it
|
||||
STA $C005 ; Back to aux memory
|
||||
PLP ; Restore IRQs
|
||||
JSR CHARADDR ; Find character address
|
||||
PLA ; Get character back
|
||||
PHP ; Disable IRQs while
|
||||
SEI ; toggling memory
|
||||
BCC PRCHR6 ; Aux memory
|
||||
STA $C004 ; Switch to main memory
|
||||
PRCHR6 STA (VDUADDR),Y ; Store it
|
||||
STA $C005 ; Back to aux memory
|
||||
PLP ; Restore IRQs
|
||||
RTS
|
||||
PRCHRSOFT RTS ; *TODO* Jump to gfx
|
||||
PRCHRSOFT RTS ; *TODO* Jump to gfx
|
||||
|
||||
* Fetch character from screen at (TEXTX,TEXTY) and return MODE in Y
|
||||
BYTE87
|
||||
GETCHRC LDY VDUBYTES
|
||||
DEY ; If VDUBYTE=1, text mode
|
||||
BNE GETCHRSOFT ; Graphics mode
|
||||
JSR CHARADDR ; Find character address
|
||||
PHP ; Disable IRQs while
|
||||
SEI ; toggling memory
|
||||
BCC GETCHR6 ; Aux memory
|
||||
STA $C002 ; Switch to main memory
|
||||
GETCHR6 LDA (VDUADDR),Y ; Get character
|
||||
STA $C003 ; Back to aux memory
|
||||
PLP ; Restore IRQs
|
||||
TAY ; Convert character
|
||||
DEY ; If VDUBYTE=1, text mode
|
||||
BNE GETCHRSOFT ; Graphics mode
|
||||
JSR CHARADDR ; Find character address
|
||||
PHP ; Disable IRQs while
|
||||
SEI ; toggling memory
|
||||
BCC GETCHR6 ; Aux memory
|
||||
STA $C002 ; Switch to main memory
|
||||
GETCHR6 LDA (VDUADDR),Y ; Get character
|
||||
STA $C003 ; Back to aux memory
|
||||
PLP ; Restore IRQs
|
||||
TAY ; Convert character
|
||||
AND #$A0
|
||||
BNE GETCHR7
|
||||
TYA
|
||||
|
|
@ -360,30 +360,30 @@ GETCHR6 LDA (VDUADDR),Y ; Get character
|
|||
TAY
|
||||
GETCHR7 TYA
|
||||
EOR #$80
|
||||
LDY VDUMODE ; Y=MODE
|
||||
TAX ; X=char
|
||||
LDY VDUMODE ; Y=MODE
|
||||
TAX ; X=char
|
||||
GETCHROK RTS
|
||||
GETCHRSOFT RTS ; *TODO* Jump to gfx
|
||||
GETCHRSOFT RTS ; *TODO* Jump to gfx
|
||||
|
||||
* Get text cursor position
|
||||
BYTE86 LDY VDUTEXTY ; ROW ; $86 = read cursor pos
|
||||
LDX VDUTEXTX ; COL
|
||||
BYTE86 LDY VDUTEXTY ; ROW ; $86 = read cursor pos
|
||||
LDX VDUTEXTX ; COL
|
||||
RTS
|
||||
|
||||
* Calculate character address
|
||||
CHARADDR LDA VDUTEXTY
|
||||
ASL
|
||||
TAX
|
||||
LDA SCNTAB+0,X ; LSB of row address
|
||||
LDA SCNTAB+0,X ; LSB of row address
|
||||
STA VDUADDR+0
|
||||
LDA SCNTAB+1,X ; MSB of row address
|
||||
LDA SCNTAB+1,X ; MSB of row address
|
||||
STA VDUADDR+1
|
||||
LDA VDUTEXTX
|
||||
BIT $C01F
|
||||
SEC
|
||||
BPL CHARADDR40 ; 40-col
|
||||
BPL CHARADDR40 ; 40-col
|
||||
LSR A
|
||||
CHARADDR40 TAY ; Y=offset into this row
|
||||
CHARADDR40 TAY ; Y=offset into this row
|
||||
RTS
|
||||
* (VDUADDR),Y=>character address
|
||||
* CC=auxmem
|
||||
|
|
@ -391,63 +391,63 @@ CHARADDR40 TAY ; Y=offset into this row
|
|||
|
||||
|
||||
* Move cursor left
|
||||
VDU08 LDA VDUTEXTX ; COL
|
||||
VDU08 LDA VDUTEXTX ; COL
|
||||
BEQ :S1
|
||||
DEC VDUTEXTX ; COL
|
||||
DEC VDUTEXTX ; COL
|
||||
BRA :S3
|
||||
:S1 LDA VDUTEXTY ; ROW
|
||||
:S1 LDA VDUTEXTY ; ROW
|
||||
BEQ :S3
|
||||
DEC VDUTEXTY ; ROW
|
||||
DEC VDUTEXTY ; ROW
|
||||
LDA #39
|
||||
BIT $C01F
|
||||
BPL :S2
|
||||
LDA #79
|
||||
:S2 STA VDUTEXTX ; COL
|
||||
:S2 STA VDUTEXTX ; COL
|
||||
:S3 RTS
|
||||
|
||||
* Move cursor right
|
||||
VDU09 LDA VDUTEXTX ; COL
|
||||
VDU09 LDA VDUTEXTX ; COL
|
||||
CMP #39
|
||||
BCC :S2
|
||||
BIT $C01F
|
||||
BPL :T11
|
||||
CMP #79
|
||||
BCC :S2
|
||||
:T11 STZ VDUTEXTX ; COL
|
||||
LDA VDUTEXTY ; ROW
|
||||
:T11 STZ VDUTEXTX ; COL
|
||||
LDA VDUTEXTY ; ROW
|
||||
CMP #23
|
||||
BEQ SCROLL
|
||||
INC VDUTEXTY ; ROW
|
||||
INC VDUTEXTY ; ROW
|
||||
:DONE RTS
|
||||
:S2 INC VDUTEXTX ; COL
|
||||
:S2 INC VDUTEXTX ; COL
|
||||
BRA :DONE
|
||||
SCROLL JSR SCROLLER
|
||||
JSR CLREOL
|
||||
RTS
|
||||
|
||||
* Move cursor down
|
||||
VDU10 LDA VDUTEXTY ; ROW
|
||||
VDU10 LDA VDUTEXTY ; ROW
|
||||
CMP #23
|
||||
BEQ :TOSCRL ; JGH
|
||||
INC VDUTEXTY ; ROW
|
||||
BEQ :TOSCRL ; JGH
|
||||
INC VDUTEXTY ; ROW
|
||||
RTS
|
||||
:TOSCRL JMP SCROLL ; JGH
|
||||
:TOSCRL JMP SCROLL ; JGH
|
||||
|
||||
* Move cursor up
|
||||
VDU11 LDA VDUTEXTY ; ROW
|
||||
VDU11 LDA VDUTEXTY ; ROW
|
||||
BEQ :DONE
|
||||
DEC VDUTEXTY ; ROW
|
||||
DEC VDUTEXTY ; ROW
|
||||
:DONE RTS
|
||||
|
||||
* Move to start of line
|
||||
VDU13 LDA #$BF
|
||||
JSR CLRSTATUS ; Turn copy cursor off
|
||||
STZ VDUTEXTX ; COL
|
||||
JSR CLRSTATUS ; Turn copy cursor off
|
||||
STZ VDUTEXTX ; COL
|
||||
RTS
|
||||
|
||||
* Move to (0,0)
|
||||
VDU30 STZ VDUTEXTY ; ROW
|
||||
STZ VDUTEXTX ; COL
|
||||
VDU30 STZ VDUTEXTY ; ROW
|
||||
STZ VDUTEXTX ; COL
|
||||
RTS
|
||||
|
||||
* Move to (X,Y)
|
||||
|
|
@ -461,8 +461,8 @@ VDU31 LDY VDUQ+8
|
|||
BMI :T9A
|
||||
CPX #40
|
||||
BCS :DONE
|
||||
:T9A STX VDUTEXTX ; COL
|
||||
STY VDUTEXTY ; ROW
|
||||
:T9A STX VDUTEXTX ; COL
|
||||
STY VDUTEXTY ; ROW
|
||||
:DONE RTS
|
||||
|
||||
|
||||
|
|
@ -495,14 +495,14 @@ VDUINIT STA VDUQ+8
|
|||
VDU22 LDA VDUQ+8
|
||||
AND #$07
|
||||
STA VDUMODE
|
||||
TAX ; Set up MODE
|
||||
LDA #'_' ; Set up default cursors
|
||||
STA CURSOR ; Normal cursor
|
||||
STA CURSORCP ; Copy cursor when editing
|
||||
TAX ; Set up MODE
|
||||
LDA #'_' ; Set up default cursors
|
||||
STA CURSOR ; Normal cursor
|
||||
STA CURSORCP ; Copy cursor when editing
|
||||
LDA #$A0
|
||||
STA CURSORED ; Edit cursor when editing
|
||||
STA CURSORED ; Edit cursor when editing
|
||||
LDA #$01
|
||||
JSR CLRSTATUS ; Clear everything except PrinterEcho
|
||||
JSR CLRSTATUS ; Clear everything except PrinterEcho
|
||||
JSR VDU26A
|
||||
*
|
||||
LDA SCNBYTES,X
|
||||
|
|
@ -511,27 +511,27 @@ VDU22 LDA VDUQ+8
|
|||
STA VDUCOLOURS
|
||||
LDA SCNTYPE,X
|
||||
STA VDUSCREEN
|
||||
BMI VDU22G ; b7=1, graphics mode
|
||||
BMI VDU22G ; b7=1, graphics mode
|
||||
* TEMP
|
||||
CPX #2
|
||||
BEQ VDU22G ; Jump out for MODE 2
|
||||
BEQ VDU22G ; Jump out for MODE 2
|
||||
* TEMP
|
||||
*
|
||||
AND #$01 ; 40col/80col bit
|
||||
AND #$01 ; 40col/80col bit
|
||||
TAX
|
||||
STA $C00C,X ; Select 40col/80col
|
||||
STA $C051 ; Enable Text
|
||||
STA $C055 ; PAGE2
|
||||
STA $C052 ; Clear MIXED
|
||||
STA $C00F ; Enable alt charset
|
||||
STA $C00C,X ; Select 40col/80col
|
||||
STA $C051 ; Enable Text
|
||||
STA $C055 ; PAGE2
|
||||
STA $C052 ; Clear MIXED
|
||||
STA $C00F ; Enable alt charset
|
||||
BRA VDU22CLR
|
||||
|
||||
|
||||
VDU22G STA $C050 ; Enable Graphics
|
||||
STA $C057 ; Hi-Res
|
||||
STA $C054 ; PAGE1
|
||||
STA $C052 ; Clear MIXED
|
||||
JMP VDU16 ; Clear HGR screen
|
||||
|
||||
VDU22G STA $C050 ; Enable Graphics
|
||||
STA $C057 ; Hi-Res
|
||||
STA $C054 ; PAGE1
|
||||
STA $C052 ; Clear MIXED
|
||||
JMP VDU16 ; Clear HGR screen
|
||||
|
||||
VDU22CLR
|
||||
* JSR VDU15 ; Turn off paged scrolling
|
||||
|
|
@ -541,38 +541,38 @@ VDU22CLR
|
|||
|
||||
|
||||
VDU12 LDY VDUBYTES
|
||||
DEY ; If VDUBYTE=1, text mode
|
||||
BNE VDU12SOFT ; Graphics mode
|
||||
DEY ; If VDUBYTE=1, text mode
|
||||
BNE VDU12SOFT ; Graphics mode
|
||||
JMP CLEAR
|
||||
|
||||
* Clear the screen
|
||||
CLEAR STZ VDUTEXTY ; ROW
|
||||
STZ VDUTEXTX ; COL
|
||||
CLEAR STZ VDUTEXTY ; ROW
|
||||
STZ VDUTEXTX ; COL
|
||||
:L1 JSR CLREOL
|
||||
:S2 LDA VDUTEXTY ; ROW
|
||||
:S2 LDA VDUTEXTY ; ROW
|
||||
CMP #23
|
||||
BEQ :S3
|
||||
INC VDUTEXTY ; ROW
|
||||
INC VDUTEXTY ; ROW
|
||||
BRA :L1
|
||||
:S3 STZ VDUTEXTY ; ROW
|
||||
STZ VDUTEXTX ; COL
|
||||
:S3 STZ VDUTEXTY ; ROW
|
||||
STZ VDUTEXTX ; COL
|
||||
RTS
|
||||
VDU12SOFT JMP VDU16 ; *TEMP*
|
||||
VDU12SOFT JMP VDU16 ; *TEMP*
|
||||
|
||||
|
||||
* Clear to EOL
|
||||
CLREOL LDA VDUTEXTY ; ROW
|
||||
CLREOL LDA VDUTEXTY ; ROW
|
||||
ASL
|
||||
TAX
|
||||
LDA SCNTAB,X ; LSB of row
|
||||
LDA SCNTAB,X ; LSB of row
|
||||
STA ZP1
|
||||
LDA SCNTAB+1,X ; MSB of row
|
||||
LDA SCNTAB+1,X ; MSB of row
|
||||
STA ZP1+1
|
||||
LDA VDUTEXTX ; COL
|
||||
LDA VDUTEXTX ; COL
|
||||
PHA
|
||||
STZ VDUTEXTX ; COL
|
||||
STZ VDUTEXTX ; COL
|
||||
:L1
|
||||
LDA VDUTEXTX ; COL
|
||||
LDA VDUTEXTX ; COL
|
||||
LSR
|
||||
TAY
|
||||
BCC :S1
|
||||
|
|
@ -580,13 +580,13 @@ CLREOL LDA VDUTEXTY ; ROW
|
|||
:S1 LDA #" "
|
||||
STA (ZP1),Y
|
||||
>>> WRTAUX
|
||||
LDA VDUTEXTX ; COL
|
||||
LDA VDUTEXTX ; COL
|
||||
CMP #79
|
||||
BEQ :S2
|
||||
INC VDUTEXTX ; COL
|
||||
INC VDUTEXTX ; COL
|
||||
BRA :L1
|
||||
:S2 PLA
|
||||
STA VDUTEXTX ; COL
|
||||
STA VDUTEXTX ; COL
|
||||
RTS
|
||||
|
||||
* Scroll whole screen one line
|
||||
|
|
@ -598,7 +598,7 @@ SCROLLER LDA #$00
|
|||
CMP #23
|
||||
BNE :L1
|
||||
BIT VDUSTATUS
|
||||
BVC :L2 ; Copy cursor not active
|
||||
BVC :L2 ; Copy cursor not active
|
||||
JSR COPYSWAP1
|
||||
LDA #11
|
||||
JSR OUTCHARGO
|
||||
|
|
@ -606,13 +606,13 @@ SCROLLER LDA #$00
|
|||
:L2 RTS
|
||||
|
||||
* Copy line A+1 to line A
|
||||
SCR1LINE ASL ; Dest addr->ZP1
|
||||
SCR1LINE ASL ; Dest addr->ZP1
|
||||
TAX
|
||||
LDA SCNTAB,X
|
||||
STA ZP1
|
||||
LDA SCNTAB+1,X
|
||||
STA ZP1+1
|
||||
INX ; Source addr->ZP2
|
||||
INX ; Source addr->ZP2
|
||||
INX
|
||||
LDA SCNTAB,X
|
||||
STA ZP2
|
||||
|
|
@ -621,11 +621,11 @@ SCR1LINE ASL ; Dest addr->ZP1
|
|||
LDY #$00
|
||||
:L1 LDA (ZP2),Y
|
||||
STA (ZP1),Y
|
||||
STA $C002 ; Read main mem
|
||||
STA $C002 ; Read main mem
|
||||
>>> WRTMAIN
|
||||
LDA (ZP2),Y
|
||||
STA (ZP1),Y
|
||||
STA $C003 ; Read aux mem
|
||||
STA $C003 ; Read aux mem
|
||||
>>> WRTAUX
|
||||
INY
|
||||
CPY #40
|
||||
|
|
@ -649,25 +649,25 @@ VDU16RET >>> ENTAUX
|
|||
VDU17 RTS
|
||||
|
||||
* VDU 18 - GCOL k,a - select graphics colour and plot action
|
||||
VDU18 LDA VDUQ+7 ; Argument 'k'
|
||||
CMP #$04 ; k=4 means XOR
|
||||
LDA #$00 ; Normal drawing mode
|
||||
VDU18 LDA VDUQ+7 ; Argument 'k'
|
||||
CMP #$04 ; k=4 means XOR
|
||||
LDA #$00 ; Normal drawing mode
|
||||
BNE :NORM
|
||||
LDA #$01 ; XOR mode
|
||||
LDA #$01 ; XOR mode
|
||||
:NORM >>> WRTMAIN
|
||||
STA LINETYPE
|
||||
STA FDRAWADDR+5
|
||||
>>> WRTAUX
|
||||
>>> XF2MAIN,SETLINE
|
||||
VDU18RET1 >>> ENTAUX
|
||||
:NORM LDA VDUQ+8 ; Argument 'a'
|
||||
BPL :FOREGND ; <128 is foreground
|
||||
:NORM LDA VDUQ+8 ; Argument 'a'
|
||||
BPL :FOREGND ; <128 is foreground
|
||||
>>> WRTMAIN
|
||||
STA BGCOLOR ; Stored in main memory
|
||||
STA BGCOLOR ; Stored in main memory
|
||||
>>> WRTAUX
|
||||
RTS
|
||||
:FOREGND >>> WRTMAIN
|
||||
STA FGCOLOR ; Stored in main memory
|
||||
STA FGCOLOR ; Stored in main memory
|
||||
>>> WRTAUX
|
||||
RTS
|
||||
|
||||
|
|
@ -687,29 +687,29 @@ VDU24 RTS
|
|||
* x is in VDUQ+7,VDUQ+8
|
||||
* y is in VDUQ+5,VDUQ+6
|
||||
* k is in VDUQ+4
|
||||
VDU25 JSR CVTCOORD ; Convert coordinate system
|
||||
VDU25 JSR CVTCOORD ; Convert coordinate system
|
||||
LDA VDUQ+4
|
||||
AND #$04 ; Bit 2 set -> absolute
|
||||
AND #$04 ; Bit 2 set -> absolute
|
||||
BNE :ABS
|
||||
JSR RELCOORD ; Add coords to XPIXEL/YPIXEL
|
||||
JSR RELCOORD ; Add coords to XPIXEL/YPIXEL
|
||||
:ABS LDA VDUQ+4
|
||||
AND #$03
|
||||
CMP #$0 ; Bits 0,1 clear -> just move
|
||||
CMP #$0 ; Bits 0,1 clear -> just move
|
||||
BNE :NOTMOVE
|
||||
JMP HGRPOS ; Just update pos
|
||||
JMP HGRPOS ; Just update pos
|
||||
:NOTMOVE LDA VDUQ+4
|
||||
AND #$C0
|
||||
CMP #$40 ; Bit 7 clr, bit 6 set -> point
|
||||
CMP #$40 ; Bit 7 clr, bit 6 set -> point
|
||||
BNE :LINE
|
||||
>>> WRTMAIN
|
||||
LDA VDUQ+4
|
||||
STA PLOTMODE
|
||||
LDA VDUQ+5
|
||||
STA FDRAWADDR+6 ; LSB of X1
|
||||
STA FDRAWADDR+6 ; LSB of X1
|
||||
LDA VDUQ+6
|
||||
STA FDRAWADDR+7 ; MSB of X1
|
||||
STA FDRAWADDR+7 ; MSB of X1
|
||||
LDA VDUQ+7
|
||||
STA FDRAWADDR+8 ; Y1
|
||||
STA FDRAWADDR+8 ; Y1
|
||||
>>> WRTAUX
|
||||
>>> XF2MAIN,DRAWPNT
|
||||
:LINE >>> WRTMAIN
|
||||
|
|
@ -722,11 +722,11 @@ VDU25 JSR CVTCOORD ; Convert coordinate system
|
|||
LDA YPIXEL
|
||||
STA FDRAWADDR+8
|
||||
LDA VDUQ+5
|
||||
STA FDRAWADDR+9 ; LSB of X1
|
||||
STA FDRAWADDR+9 ; LSB of X1
|
||||
LDA VDUQ+6
|
||||
STA FDRAWADDR+10 ; MSB of X1
|
||||
STA FDRAWADDR+10 ; MSB of X1
|
||||
LDA VDUQ+7
|
||||
STA FDRAWADDR+11 ; Y1
|
||||
STA FDRAWADDR+11 ; Y1
|
||||
>>> WRTAUX
|
||||
>>> XF2MAIN,DRAWLINE
|
||||
VDU25RET >>> ENTAUX
|
||||
|
|
@ -739,8 +739,8 @@ HGRPOS LDA VDUQ+5
|
|||
LDA VDUQ+7
|
||||
STA YPIXEL
|
||||
RTS
|
||||
XPIXEL DW $0000 ; Previous plot x-coord
|
||||
YPIXEL DB $00 ; Previous plot y-coord
|
||||
XPIXEL DW $0000 ; Previous plot x-coord
|
||||
YPIXEL DB $00 ; Previous plot y-coord
|
||||
|
||||
* VDU 28,left,bottom,right,top - define text window
|
||||
VDU28 RTS
|
||||
|
|
@ -753,7 +753,7 @@ VDU29 RTS
|
|||
|
||||
* OSBYTE &A0 - Read VDU variable
|
||||
********************************
|
||||
BYTEA0 CPX #$40 ; Index into VDU variables
|
||||
BYTEA0 CPX #$40 ; Index into VDU variables
|
||||
BCC BYTEA02
|
||||
TXA
|
||||
SBC #$20
|
||||
|
|
|
|||
|
|
@ -30,15 +30,6 @@ START JSR CROUT
|
|||
CLC ; Load into main
|
||||
JSR LOADCODE
|
||||
|
||||
LDA #<:FNTFILE
|
||||
STA OPENPL+1
|
||||
LDA #>:FNTFILE
|
||||
STA OPENPL+2
|
||||
LDA #>FONTADDR ; Address in main
|
||||
LDX #<FONTADDR
|
||||
CLC ; Load into main
|
||||
JSR LOADCODE
|
||||
|
||||
LDA #<MOSSHIM ; Start address of MOS shim
|
||||
STA A1L
|
||||
LDA #>MOSSHIM
|
||||
|
|
@ -78,7 +69,6 @@ START JSR CROUT
|
|||
>>> XF2AUX,AUXMOS1
|
||||
|
||||
:FDFILE STR "FDRAW.FAST" ; Filename for FDraw lib
|
||||
:FNTFILE STR "FONT.DAT" ; Filename for bitmap font
|
||||
|
||||
* Load image from file into memory
|
||||
* On entry: OPENPL set up to point to file to load
|
||||
|
|
|
|||
|
|
@ -1129,11 +1129,6 @@ GFXINIT JSR FDRAWADDR+0 ; Initialize FDRAW library
|
|||
JSR FDRAWADDR+22 ; FDRAW: clear HGR screen
|
||||
RTS
|
||||
|
||||
* Draw character on graphics screen (byte aligned)
|
||||
* On entry: Character in A
|
||||
DRAWCHAR
|
||||
RTS
|
||||
|
||||
FGCOLOR DB $00 ; Foreground colour
|
||||
BGCOLOR DB $00 ; Background colour
|
||||
LINETYPE DB $00 ; 0 normal, 1 XOR
|
||||
|
|
|
|||
Loading…
Reference in New Issue