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Bobbi Webber-Manners | fb180a625c | |
jgharston | 6b6c5ec95a | |
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jgharston | da412d6b8a | |
Bobbi Webber-Manners | 0e36d483be | |
jgharston | 6739f65d7f | |
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jgharston | a6c5479985 | |
jgharston | 7fa3e66712 |
43
auxmem.vdu.s
43
auxmem.vdu.s
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@ -112,16 +112,18 @@ VDUWORKSZ EQU VDUVAREND-VDUWORKSP+1
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*
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*
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* Screen definitions
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* Screen definitions
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* 0 1 2 3 6 7 ; MODEs sort-of completed
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* 0 1 3 4 6 7 ; MODEs sort-of completed
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SCNTXTMAXX DB 79, 39, 39, 79, 39, 39, 39, 39 ; Max text column
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SCNTXTMAXX DB 79, 39, 39, 79, 39, 39, 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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SCNTXTMAXY DB 23, 23, 23, 23, 23, 23, 23, 23 ; Max text row
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SCNBYTES DB 08, 08, 08, 01, 01, 01, 01, 01 ; Bytes per character
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SCNBYTES DB 08, 08, 08, 01, 08, 01, 01, 01 ; Bytes per character
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SCNCOLOURS DB 03, 15, 07, 01, 01, 01, 01, 01 ; Colours-1
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SCNCOLOURS DB 03, 15, 15, 01, 07, 01, 01, 01 ; Colours-1
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SCNPIXELS DB 04, 02, 07, 00, 00, 00, 00, 00 ; Pixels per byte
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SCNPIXELS DB 04, 02, 02, 00, 07, 00, 00, 00 ; Pixels per byte
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SCNTYPE DB 65, 64,128, 01, 00, 00, 00, 32 ; Screen type
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SCNFALLBACK DB 03, 04, 05, 03, 04, 05, 06, 07 ; Fall back if unsupported
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SCNTYPE DB 65, 64, 66, 01,128, 02, 00, 32 ; Screen type
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* b7=FastDraw -> HGR mode
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* b7=FastDraw -> HGR mode
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* b6=SHR mode on Apple IIgs
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* b6=SHR mode on Apple IIgs
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* b5=Teletext
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* b5=Teletext
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* b1=40COL/20COL
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* b0=40COL/80COL
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* b0=40COL/80COL
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* Colour table
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* Colour table
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@ -704,15 +706,16 @@ VDUINIT STA VDUQ+8
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* MODEs available:
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* MODEs available:
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* MODE 0 - 640x200 SHR graphics, 80x24 bitmap text (GS only)
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* MODE 0 - 640x200 SHR graphics, 80x24 bitmap text (GS only)
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* MODE 1 - 320x200 SHR graphics, 40x24 bitmap text (GS only)
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* MODE 1 - 320x200 SHR graphics, 40x24 bitmap text (GS only)
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* MODE 2 - 280x192 HGR graphics, 40x24 bitmap text
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* MODE 2 --> MODE 1
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* MODE 3 - 80x24 text
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* MODE 3 - 80x24 text
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* MODE 4 --> MODE 6
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* MODE 4 - 280x192 HGR graphics, 40x24 bitmap text
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* MODE 5 --> MODE 6
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* MODE 5 --> MODE 6
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* MODE 6 - 40x24 text
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* MODE 6 - 40x24 text
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* MODE 7 - 40x24 with $80-$9F converted to spaces
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* MODE 7 - 40x24 with $80-$9F converted to spaces
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*
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*
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* On //e, MODE 0 -> MODE 3
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* On //e, MODE 0 -> MODE 3
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* MODE 1 -> MODE 6
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* MODE 1 -> MODE 4
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* MODE 2 -> MODE 5
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*
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*
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VDU22 JSR NEGCALL ; Find machine type
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VDU22 JSR NEGCALL ; Find machine type
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AND #$0F
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AND #$0F
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@ -721,16 +724,22 @@ VDU22 JSR NEGCALL ; Find machine type
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:NOTGS STA VDUBANK
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:NOTGS STA VDUBANK
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LDA VDUQ+8
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LDA VDUQ+8
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AND #$07
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AND #$07
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; jgh
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BIT VDUBANK
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BIT VDUBANK
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BMI :INIT ; Skip if GS
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BMI :INIT ; All MODEs supported
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CMP #$00 ; Mode 0?
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CMP #$03
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BNE :S1
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BCS :INIT
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LDA #$03 ; --> Mode 3 instead
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ADC #$03 ; Fall back to replacement MODE
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BRA :INIT
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:S1 CMP #$01 ; Mode 1?
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; BIT VDUBANK
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BNE :INIT
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; BMI :INIT ; Skip if GS
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LDA #$06 ; --> Mode 6 instead
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; CMP #$00 ; Mode 0?
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; BNE :S1
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; LDA #$03 ; --> Mode 3 instead
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; BRA :INIT
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;:S1 CMP #$01 ; Mode 1?
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; BNE :INIT
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; LDA #$06 ; --> Mode 6 instead
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:INIT TAX ; Set up MODE
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:INIT TAX ; Set up MODE
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STX VDUMODE ; Screen MODE
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STX VDUMODE ; Screen MODE
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tests/KBDTest
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tests/KBDTest
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tests/Pixels
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tests/Pixels
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