mirror of
https://github.com/bobbimanners/Applecorn.git
synced 2024-06-25 15:29:37 +00:00
Merge JGH PR #112: 'VDU 20,24,26,28,29'
This commit is contained in:
Bobbi Webber-Manners
parent
426b375052
commit
bd5d7e4259
BIN
applecorn.po
BIN
applecorn.po
Binary file not shown.
196
auxmem.vdu.s
196
auxmem.vdu.s
|
|
@ -16,6 +16,7 @@
|
|||
* 26-Sep-2021 Merged together JGH VDU updates and Bobbi GFX updates.
|
||||
* Moved all graphics screen access code to gfx.s
|
||||
* All 65816-specific code disabled.
|
||||
* 29-Sep-2021 Windows VDU 26, VDU 28, VDU 29, colours VDU 20.
|
||||
|
||||
|
||||
**********************************
|
||||
|
|
@ -79,7 +80,7 @@ PIXELPOSNX EQU VDUVARS+$20 ; current graphics X in pixels
|
|||
PIXELPOSNY EQU VDUVARS+$22 ; current graphics Y in pixels
|
||||
PIXELLASTX EQU VDUVARS+$24 ; last graphics X in pixels
|
||||
PIXELLASTY EQU VDUVARS+$26 ; last graphics Y in pixels
|
||||
VDUWINEND EQU VDUVARS+$27 ; VDU 26 clears up to here
|
||||
VDUWINEND EQU PIXELLASTY+1 ; VDU 26 clears up to here
|
||||
*
|
||||
CURSOR EQU VDUVARS+$28 ; character used for cursor
|
||||
CURSORCP EQU VDUVARS+$29 ; character used for copy cursor
|
||||
|
|
@ -88,8 +89,9 @@ CURSORED EQU VDUVARS+$2A ; character used for edit cursor
|
|||
VDUQ EQU VDUVARS+$2B ; $2B..$33
|
||||
VDUQLAST EQU VDUQ+1 ; Neatly becomes VDUVARS+$2C
|
||||
VDUQPLOT EQU VDUQ+5 ; Neatly becomes VDUVARS+$30
|
||||
VDUQCOORD EQU VDUQ+5
|
||||
*
|
||||
VDUBORDER EQU VDUVARS+$34 ; Border colour
|
||||
VDUVAR34 EQU VDUVARS+$34
|
||||
VDUMODE EQU VDUVARS+$35 ; # current MODE
|
||||
VDUSCREEN EQU VDUVARS+$36 ; # MODE type
|
||||
TXTFGD EQU VDUVARS+$37 ; # Text foreground
|
||||
|
|
@ -98,7 +100,9 @@ GFXFGD EQU VDUVARS+$39 ; # Graphics foreground
|
|||
GFXBGD EQU VDUVARS+$3A ; # Graphics background
|
||||
GFXPLOTFGD EQU VDUVARS+$3B ; # Foreground GCOL action
|
||||
GFXPLOTBGD EQU VDUVARS+$3C ; # Background GCOL action
|
||||
VDUVAR3D EQU VDUVARS+$3D
|
||||
VDUBORDER EQU VDUVARS+$3D ; Border colour
|
||||
VDUCOLEND EQU VDUBORDER ; VDU 20 clears up to here
|
||||
*
|
||||
VDUVAR3E EQU VDUVARS+$3E
|
||||
VDUBYTES EQU VDUVARS+$3F ; bytes per char, 1=text only
|
||||
VDUCOLOURS EQU VDUVARS+$40 ; # colours-1
|
||||
|
|
@ -109,20 +113,20 @@ VDUWORKSZ EQU VDUVAREND-VDUWORKSP+1
|
|||
|
||||
* Screen definitions
|
||||
* 1 3 6 7 ; MODEs sort-of completed
|
||||
SCNTXTMAXX DB 79,39,19,79,39,19,39,39 ; Max text column
|
||||
SCNTXTMAXY DB 23,23,23,23,23,23,23,23 ; Max text row
|
||||
SCNBYTES DB 01,08,01,01,01,01,01,01 ; Bytes per character
|
||||
SCNCOLOURS DB 15,15,15,15,15,15,15,15 ; Colours-1
|
||||
SCNPIXELS DB 00,07,00,00,00,00,00,00 ; Pixels per byte
|
||||
SCNTYPE DB 01,128,0,01,00,00,00,64 ; Screen type
|
||||
SCNTXTMAXX DB 79,39,19,79,39,19,39,39 ; Max text column
|
||||
SCNTXTMAXY DB 23,23,23,23,23,23,23,23 ; Max text row
|
||||
SCNBYTES DB 01,08,01,01,01,01,01,01 ; Bytes per character
|
||||
SCNCOLOURS DB 15,07,15,01,01,15,01,01 ; Colours-1
|
||||
SCNPIXELS DB 00,07,00,00,00,00,00,00 ; Pixels per byte
|
||||
SCNTYPE DB 01,128,0,01,00,00,00,64 ; Screen type
|
||||
* b7=FastDraw
|
||||
* b6=Teletext
|
||||
* b0=40COL/80COL
|
||||
|
||||
* Colour table
|
||||
CLRTRANS16 DB 00,01,04,08,02,14,11,10
|
||||
DB 05,09,12,13,06,03,07,15
|
||||
CLRTRANS8 DB 00,05,01,01,06,02,02,07
|
||||
CLRTRANS16 DB 00,01,04,08,02,14,11,10
|
||||
DB 05,09,12,13,06,03,07,15
|
||||
CLRTRANS8 DB 00,05,01,01,06,02,02,07
|
||||
|
||||
********************************************************************
|
||||
* Note that we use PAGE2 80 column mode ($800-$BFF in main and aux)
|
||||
|
|
@ -356,7 +360,7 @@ PRCHR4 JSR CHARADDR ; Find character address
|
|||
>>> WRTMAIN
|
||||
STA [VDUADDR],Y
|
||||
>>> WRTAUX
|
||||
BRA PRCHR8
|
||||
BRA PRCHR8
|
||||
PRCHR5 PHP ; Disable IRQs while
|
||||
SEI ; toggling memory
|
||||
BCC PRCHR6 ; Aux memory
|
||||
|
|
@ -411,7 +415,7 @@ GETCHR8 LDA [VDUADDR],Y ; Get character
|
|||
GETCHR9 TYA
|
||||
EOR #$80
|
||||
LDY VDUMODE ; Y=MODE
|
||||
TAX ; X=char
|
||||
TAX ; X=char, set EQ/NE
|
||||
RTS
|
||||
|
||||
|
||||
|
|
@ -538,42 +542,12 @@ VDU31 LDY VDUQ+8
|
|||
:DONE RTS
|
||||
|
||||
|
||||
* VDU 26 - Reset to default windows
|
||||
VDU26 LDA #$F7
|
||||
JSR CLRSTATUS ; Clear 'soft window'
|
||||
VDU26A LDX #VDUWINEND-VDUVARS
|
||||
LDA #$00
|
||||
VDU26LP STA VDUVARS,X ; Clear all windows
|
||||
DEX ; and all coords
|
||||
BPL VDU26LP ; and origin, etc.
|
||||
LDY VDUMODE
|
||||
LDA SCNTXTMAXY,Y
|
||||
STA TXTWINBOT ; Text window height
|
||||
STA GFXWINTOP ; Graphics height
|
||||
LDX #GFXWINTOP-VDUVARS
|
||||
LDA SCNTXTMAXX,Y
|
||||
STA TXTWINRGT ; Text window width
|
||||
STA GFXWINRGT ; Graphics width
|
||||
LDX #GFXWINRGT-VDUVARS
|
||||
* TO DO *
|
||||
RTS
|
||||
|
||||
* VDU 24,left;bottom;right;top; - define graphics window
|
||||
VDU24 RTS
|
||||
|
||||
* VDU 28,left,bottom,right,top - define text window
|
||||
VDU28 RTS
|
||||
|
||||
* VDU 29,x;y; - define graphics origin
|
||||
VDU29 RTS
|
||||
|
||||
|
||||
* Initialise VDU driver
|
||||
***********************
|
||||
* On entry, A=MODE to start in
|
||||
*
|
||||
VDUINIT STA VDUQ+8
|
||||
* JSR FONTIMPLODE ; Reset VDU 23 font
|
||||
* JSR FONTIMPLODE ; Reset VDU 23 font
|
||||
|
||||
* VDU 22 - MODE n
|
||||
*****************
|
||||
|
|
@ -761,18 +735,30 @@ SCR1SOFT JMP HSCR1LINE
|
|||
* VDU 16 - CLG, clear graphics window
|
||||
VDU16 JMP HSCRCLEAR
|
||||
|
||||
|
||||
* VDU 20 - Reset to default colours
|
||||
VDU20 LDA #$00 ; *TEMP*
|
||||
STA $C034
|
||||
LDA #$F0
|
||||
STA $C022
|
||||
VDU20 LDA #$F0
|
||||
STA $C022 ; Set text palette
|
||||
LDX #VDUCOLEND-TXTFGD
|
||||
LDA #$00
|
||||
LDX #$07
|
||||
JSR HSCRSETGCOL
|
||||
LDA #$00
|
||||
LDX #$80
|
||||
JSR HSCRSETGCOL
|
||||
RTS
|
||||
VDU20LP STA TXTFGD,X ; Clear all colours
|
||||
DEX ; and gcol actions
|
||||
BPL VDU20LP
|
||||
STA $C034 ; Set border
|
||||
LDA #$80
|
||||
JSR HSCRSETTCOL ; Set txt background
|
||||
LDX #$00
|
||||
LDA #$80
|
||||
JSR HSCRSETGCOL ; Set gfx background
|
||||
LDA VDUCOLOURS
|
||||
AND #$07
|
||||
PHA
|
||||
STA TXTFGD ; Note txt foreground
|
||||
JSR HSCRSETTCOL ; Set txt foreground
|
||||
LDX #$00
|
||||
PLA
|
||||
STA GFXFGD ; Note gfx foreground
|
||||
JMP HSCRSETGCOL ; Set gfx foreground
|
||||
|
||||
* VDU 17 - COLOUR n - select text or border colour
|
||||
VDU17 LDA VDUQ+8 ; *TEMP*
|
||||
|
|
@ -803,8 +789,8 @@ VDU18 LDA VDUQ+8 ; GCOL colour
|
|||
PHP
|
||||
ROL A
|
||||
PLP
|
||||
ROR A ; A=GCOL colour
|
||||
LDX VDUQ+7 ; X=GCOL action
|
||||
ROR A ; GCOL colour
|
||||
LDX VDUQ+7 ; GCOL action
|
||||
* TO DO: set local VDU variables
|
||||
JSR HSCRSETGCOL
|
||||
RTS
|
||||
|
|
@ -812,14 +798,99 @@ VDU18 LDA VDUQ+8 ; GCOL colour
|
|||
* VDU 19 - Select palette colours
|
||||
VDU19 RTS
|
||||
|
||||
* VDU 23 - Program video system and define characters
|
||||
VDU23 RTS
|
||||
|
||||
* VDU 26 - Reset to default windows
|
||||
VDU26 LDA #$F7
|
||||
JSR CLRSTATUS ; Clear 'soft window'
|
||||
VDU26A LDX #VDUWINEND-VDUVARS
|
||||
LDA #$00
|
||||
VDU26LP STA VDUVARS,X ; Clear all windows
|
||||
DEX ; and all coords
|
||||
BPL VDU26LP ; and origin, etc.
|
||||
LDY VDUMODE
|
||||
LDA SCNTXTMAXY,Y
|
||||
STA TXTWINBOT ; Text window height
|
||||
LDA SCNTXTMAXX,Y
|
||||
STA TXTWINRGT ; Text window width
|
||||
LDY VDUPIXELS
|
||||
BEQ VDU26QUIT ; No graphics
|
||||
LDX #GFXWINRGT-VDUVARS
|
||||
JSR VDU26SCALE ; GFXWID=TXTWID*PIXELS-1
|
||||
LDA TXTWINBOT
|
||||
LDY #8 ; GFXHGT=TXTHGT*8-1
|
||||
LDX #GFXWINTOP-VDUVARS
|
||||
*
|
||||
* Convert text count to pixel count
|
||||
* VDUVARS,X=(A+1)*Y-1
|
||||
VDU26SCALE PHA
|
||||
CLC
|
||||
ADC VDUVARS+0,X
|
||||
ORA #$01
|
||||
STA VDUVARS+0,X
|
||||
LDA VDUVARS+1,X
|
||||
ADC #$00
|
||||
STA VDUVARS+1,X
|
||||
PLA
|
||||
DEY
|
||||
BNE VDU26SCALE
|
||||
VDU26QUIT RTS
|
||||
|
||||
* VDU 28,left,bottom,right,top - define text window
|
||||
VDU28 LDX VDUMODE
|
||||
LDA VDUQCOORD+2 ; right
|
||||
CMP VDUQCOORD+0 ; left
|
||||
BCC VDUCOPYEXIT ; right<left
|
||||
CMP SCNTXTMAXX,X
|
||||
BEQ VDU28B
|
||||
BCS VDUCOPYEXIT ; right>width
|
||||
VDU28B LDA VDUQCOORD+1 ; bottom
|
||||
CMP VDUQCOORD+3 ; top
|
||||
BCC VDUCOPYEXIT ; bottom<top
|
||||
CMP SCNTXTMAXY,X
|
||||
BEQ VDU28C
|
||||
BCS VDUCOPYEXIT ; top>height
|
||||
VDU28C LDY #TXTWINLFT+3-VDUVARS ; Copy to txt window params
|
||||
BNE VDUCOPY4
|
||||
|
||||
* VDU 24,left;bottom;right;top; - define graphics window
|
||||
VDU24 RTS
|
||||
* If right<left, exit
|
||||
* If right>width, exit
|
||||
* If top<bottom, exit
|
||||
* If top>height, exit
|
||||
* Scale parameters
|
||||
LDY #GFXWINLFT+7-VDUVARS ; Copy to gfx window params
|
||||
LDA #$08
|
||||
BNE COPYVDUQ
|
||||
|
||||
* VDU 29,x;y; - define graphics origin
|
||||
VDU29 LDY #GFXORIGX+3-VDUVARS ; Copy to ORIGIN
|
||||
|
||||
* Copy four bytes from VDU queue to VDU workspace
|
||||
VDUCOPY4 LDA #$04 ; 4 bytes to copy
|
||||
|
||||
* Copy parameters in VDU Queue to VDU workspace
|
||||
COPYVDUQ LDX #VDUQ+$08-VDUVARS ; End of VDU queue
|
||||
|
||||
* Copy A bytes from VDUVARS,X to VDUVARS,Y
|
||||
VDUCOPY STA VDUTEMP
|
||||
VDUCOPYLP LDA VDUVARS,X
|
||||
STA VDUVARS,Y
|
||||
DEX
|
||||
DEY
|
||||
DEC VDUTEMP
|
||||
BNE VDUCOPYLP
|
||||
VDUCOPYEXIT RTS
|
||||
|
||||
|
||||
* VDU 25,k,x;y; - PLOT k,x,y - PLOT point, line, etc.
|
||||
* k is in VDUQ+4
|
||||
* x is in VDUQ+5,VDUQ+6
|
||||
* y is in VDUQ+7,VDUQ+8
|
||||
VDU25 JMP HGRPLOT
|
||||
VDU25 LDA VDUPIXELS
|
||||
BEQ VDU25NULL
|
||||
JMP HGRPLOT
|
||||
VDU25NULL RTS
|
||||
* TO DO:
|
||||
* coord=coord+origin
|
||||
* scale coord
|
||||
|
|
@ -828,6 +899,9 @@ VDU25 JMP HGRPLOT
|
|||
* check for Escape
|
||||
|
||||
|
||||
* VDU 23 - Program video system and define characters
|
||||
VDU23 RTS
|
||||
|
||||
|
||||
* OSBYTE &A0 - Read VDU variable
|
||||
********************************
|
||||
|
|
@ -847,5 +921,3 @@ BYTEA02 LDY VDUVARS+1,X
|
|||
* VDU 1 - Send one character to printer
|
||||
VDU01 RTS
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user