slideshow function with multiple data files
This commit is contained in:
Charles Mangin
GitHub
parent
47c83414e3
commit
54e1c13ae5
171
GREENSCALE.s
171
GREENSCALE.s
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@ -4,9 +4,9 @@
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* Low res monochrome image display
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*
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* to do:
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* interframe delay, based on keypress
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* multiple emulator detection, different color tables
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* GS/large RAM version to load MOAR data.
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* large volume version, load several animations, loop between them on keypress
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**************************************************
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* Variables
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**************************************************
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@ -31,6 +31,8 @@ DELAY EQU $1F ; interframe delay amount.
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; FF=3FPS $80=10FPS $40=24FPS $20=37FPS $10=43FPS $00=46FPS
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PAUSED EQU $20 ; paused state - stop animation
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COLORMODE EQU $22 ; which color mode are we in? which table to draw from
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**************************************************
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* Apple Standard Memory Locations
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**************************************************
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@ -87,7 +89,7 @@ CLOSECMD EQU $CC ; CLOSE command index
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* START - sets up various fiddly zero page bits
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**************************************************
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ORG $2000 ; PROGRAM DATA STARTS AT $2000
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ORG $0800 ; PROGRAM DATA STARTS AT $0C00 NOW
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JSR BLOAD ; BLOAD DATA
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@ -103,12 +105,13 @@ CLOSECMD EQU $CC ; CLOSE command index
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STA MIXCLR ; For IIGS - bottom 4 lines to GR
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STA PAUSED ; start not paused
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STA COLORMODE ; start in default, real hardware mode
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lda #$01 ; disable SHR for IIgs
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sta $c029 ; re: John Brooks
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STA DELAY ; start with delay = 1
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LDA #$30
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STA DELAY ; start with a modest 30FPS
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lda SETAN3
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sta CLR80VID ; turn 80 column off
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@ -118,17 +121,15 @@ CLOSECMD EQU $CC ; CLOSE command index
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JSR EMULATORCHECK ; check for Virtual II, MicroM8?
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BCS STARTANIMATION ; running in VII, go ahead.
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JSR COLORSWAP ; otherwise, swap the color table
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*** to do
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BCC STARTANIMATION ; not running in VII, go ahead.
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JSR COLORSWAP ; otherwise, swap the color table (#1 is VII)
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**************************************************
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* MAIN LOOP
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**************************************************
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STARTANIMATION
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STARTANIMATION
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LDA DATAHI ; image data starts at end of code.
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STA IMGHI
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LDA DATALO
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@ -137,7 +138,7 @@ STARTANIMATION
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STA FRAMENUM ; frame #0
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EACHFRAME JSR INTERFRAMEDELAY
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;LDX #$00
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LDX #$00
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STX PLOTROW
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LDY #$27 ; Y IS PLOTCOLUMN
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@ -205,6 +206,17 @@ CHECKDELAY LDA KEY ; check for keydown
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CMP #$AD ; minus
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BEQ DECDELAY ; if EQ, speed up (DEC DELAY)
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CMP #$C3 ; c
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BEQ SWITCHCOLOR ; if C switch color mode
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CMP #$E3 ; C
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BEQ SWITCHCOLOR ; if C switch color mode
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CMP #$CE ; N
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BEQ SWITCHDATA ; go to next DATA0* file
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CMP #$EE ; N
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BEQ SWITCHDATA ; go to next DATA0* file
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XLOOP LDX DELAY ; typical delay loop
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DELAYLOOP LDY DELAY
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@ -231,6 +243,14 @@ DECDELAY STA STROBE
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DEC DELAY
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JMP XLOOP
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SWITCHCOLOR STA STROBE
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JSR COLORSWAP
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JMP XLOOP
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SWITCHDATA STA STROBE
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JSR NEXTFILE
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RTS
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**************************************************
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* Check to see if I'm running in Virtual II or
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@ -261,15 +281,13 @@ FOUNDVII
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BLOAD JSR OPEN ;open "DATA"
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JSR READ
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JSR ERROR
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JSR CLOSE
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JSR ERROR
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RTS ;Otherwise done
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OPEN JSR MLI ;Perform call
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DB OPENCMD ;CREATE command number
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DW OPENLIST ;Pointer to parameter list
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JSR ERROR ;If error, display it
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BNE ERROR ;If error, display it
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LDA REFERENCE
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STA READLIST+1
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STA CLOSELIST+1
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@ -278,21 +296,28 @@ OPEN JSR MLI ;Perform call
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READ JSR MLI
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DB READCMD
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DW READLIST
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BNE ERROR
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RTS
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CLOSE JSR MLI
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DB CLOSECMD
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DW CLOSELIST
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BNE ERROR
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RTS
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ERROR JSR PRBYTE ;Print error code
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ERROR CMP #$46 ; file not found during OPEN? reset to "DATA00"
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BNE PRINTERROR
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LDA #$30
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STA ENDNAME-1
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JMP OPEN
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PRINTERROR JSR PRBYTE ;Print error code
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JSR BELL ;Ring the bell
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JSR CROUT ;Print a carriage return
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RTS
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OPENLIST DB $03 ; parameter list for OPEN command
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DW FILENAME
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DB $00,$08 ; buffer at $800 ?
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DA MLI-$400 ; buffer snuggled up tight with PRODOS
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REFERENCE DB $00 ; reference to opened file
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READLIST DB $04
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@ -305,7 +330,7 @@ CLOSELIST DB $01
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DB $00
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FILENAME DB ENDNAME-NAME ;Length of name
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NAME ASC '/GREENSCALE/DATA' ;followed by the name
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NAME ASC '/GREENSCALE/DATA00' ;followed by the name
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ENDNAME EQU *
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@ -331,11 +356,42 @@ HOWMANYSET INX
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* This works because the color tables are $FF bytes long.
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**************************************************
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COLORSWAP
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LDA THREEGRAYSHI ; hi byte of ALTCOLORTABLE address
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COLORSWAP INC COLORMODE ; next mode to cycle through
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LDX COLORMODE ; load to X
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CPX #$05 ; is it now the text mode?
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BEQ TEXTSWAP
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; otherwise, be sure to be back in GR
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STX LORES ; low res graphics mode
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STX MIXCLR ; For IIGS - bottom 4 lines to GR
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CPX #$06 ; overrun, back to zero
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BNE SWAPTABLE
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LDX #$0
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STX COLORMODE
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SWAPTABLE LDA COLORMODESTABLE,X ; grab table address from LUT
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STA WHICHTABLE+2 ; put it in the code
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RTS
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TEXTSWAP STA TXTSET ; set text mode
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JMP SWAPTABLE
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**************************************************
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* Increment the name of the file to be loaded
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* then trigger the load again.
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**************************************************
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NEXTFILE LDY ENDNAME-1 ; last char in ascii filename "DATA00" = #$30
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INY
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CPY #$3A ; roll over past "9"?
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BNE SETFILE
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LDY #$30 ; reset to "0"
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SETFILE STY ENDNAME-1
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JSR BLOAD
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JSR HOWMANYFRAMES ; how big is the new animation data?
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LDA #$01
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STA FRAMENUM ; start new anim at frame 0
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RTS
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**************************************************
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* Data Tables
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@ -347,7 +403,25 @@ COLORSWAP
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*
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**************************************************
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COLORTABLE HEX 00,02,06,01,04,05,08,03,0C,09,07,0A,0B,0E,0D,0F ; Low res colors from darkest to lightest for Virtual ][
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COLORTABLE HEX 00,02,01,04,08,03,06,0C,09,05,0A,07,0B,0E,0D,0F ; for OpenEmulator, real hardware.
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HEX 20,22,21,24,28,23,26,2C,29,25,2A,27,2B,2E,2D,2F
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HEX 10,12,11,14,18,13,16,1C,19,15,1A,17,1B,1E,1D,1F
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HEX 40,42,41,44,48,43,46,4C,49,45,4A,47,4B,4E,4D,4F
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HEX 80,82,81,84,88,83,86,8C,89,85,8A,87,8B,8E,8D,8F
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HEX 30,32,31,34,38,33,36,3C,39,35,3A,37,3B,3E,3D,3F
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HEX 60,62,61,64,68,63,66,6C,69,65,6A,67,6B,6E,6D,6F
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HEX c0,c2,c1,c4,c8,c3,c6,cC,c9,c5,cA,c7,cB,cE,cD,cF
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HEX 90,92,91,94,98,93,96,9C,99,95,9A,97,9B,9E,9D,9F
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HEX 50,52,51,54,58,53,56,5C,59,55,5A,57,5B,5E,5D,5F
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HEX A0,A2,A1,A4,A8,A3,A6,AC,A9,A5,AA,A7,AB,AE,AD,AF
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HEX 70,72,71,74,78,73,76,7C,79,75,7A,77,7B,7E,7D,7F
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HEX B0,B2,B1,B4,B8,B3,B6,BC,B9,B5,BA,B7,BB,BE,BD,BF
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HEX E0,E2,E1,E4,E8,E3,E6,EC,E9,E5,EA,E7,EB,EE,ED,EF
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HEX D0,D2,D1,D4,D8,D3,D6,DC,D9,D5,DA,D7,DB,DE,DD,DF
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HEX F0,F2,F1,F4,F8,F3,F6,FC,F9,F5,FA,F7,FB,FE,FD,FF
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V2COLORTABLE HEX 00,02,06,01,04,05,08,03,0C,09,07,0A,0B,0E,0D,0F ; Low res colors from darkest to lightest for Virtual ][
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HEX 20,22,26,21,24,25,28,23,2C,29,27,2A,2B,2E,2D,2F
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HEX 60,62,66,61,64,65,68,63,6C,69,67,6A,6B,6E,6D,6F
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HEX 10,12,16,11,14,15,18,13,1C,19,17,1A,1B,1E,1D,1F
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@ -382,14 +456,61 @@ THREEGRAYSTABLE HEX 00,02,02,02,02,06,06,06,06,06,06,07,07,07,07,0F ; W/B and 3
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HEX 70,72,72,72,72,76,76,76,76,76,76,77,77,77,77,7F
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HEX F0,F2,F2,F2,F2,F6,F6,F6,F6,F6,F6,F7,F7,F7,F7,FF
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;ALTCOLORTABLE HEX 00,02,01,04,08,03,06,0C,09,05,0A,07,0B,0E,0D,0F ; for OpenEmulator, real hardware.
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;MICROM8 HEX 00,02,04,08,0C,01,09,05,06,0E,0D,03,0A,07,0B,0F
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MICROM8 HEX 00,02,04,08,0C,01,09,05,06,0E,0D,03,0A,07,0B,0F
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HEX 20,22,24,28,2C,21,29,25,26,2E,2D,23,2A,27,2B,2F
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HEX 40,42,44,48,4C,41,49,45,46,4E,4D,43,4A,47,4B,4F
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HEX 80,82,84,88,8C,81,89,85,86,8E,8D,83,8A,87,8B,8F
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HEX C0,C2,C4,C8,CC,C1,C9,C5,C6,CE,CD,C3,CA,C7,CB,CF
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HEX 10,12,14,18,1C,11,19,15,16,1E,1D,13,1A,17,1B,1F
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HEX 90,92,94,98,9C,91,99,95,96,9E,9D,93,9A,97,9B,9F
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HEX 50,52,54,58,5C,51,59,55,56,5E,5D,53,5A,57,5B,5F
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HEX 60,62,64,68,6C,61,69,65,66,6E,6D,63,6A,67,6B,6F
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HEX E0,E2,E4,E8,EC,E1,E9,E5,E6,EE,ED,E3,EA,E7,EB,EF
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HEX D0,D2,D4,D8,DC,D1,D9,D5,D6,DE,DD,D3,DA,D7,DB,DF
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HEX 30,32,34,38,3C,31,39,35,36,3E,3D,33,3A,37,3B,3F
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HEX A0,A2,A4,A8,AC,A1,A9,A5,A6,AE,AD,A3,AA,A7,AB,AF
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HEX 70,72,74,78,7C,71,79,75,76,7E,7D,73,7A,77,7B,7F
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HEX B0,B2,B4,B8,BC,B1,B9,B5,B6,BE,BD,B3,BA,B7,BB,BF
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HEX F0,F2,F4,F8,FC,F1,F9,F5,F6,FE,FD,F3,FA,F7,FB,FF
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;VIDHD HEX 00,02,01,04,08,03,09,05,0A,06,0C,07,0B,0E,0D,0F
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VIDHD HEX 00,02,01,04,08,03,09,05,0A,06,0C,07,0B,0E,0D,0F
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HEX 20,22,21,24,28,23,29,25,2A,26,2C,27,2B,2E,2D,2F
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HEX 10,12,11,14,18,13,19,15,1A,16,1C,17,1B,1E,1D,1F
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HEX 40,42,41,44,48,43,49,45,4A,46,4C,47,4B,4E,4D,4F
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HEX 80,82,81,84,88,83,89,85,8A,86,8C,87,8B,8E,8D,8F
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HEX 30,32,31,34,38,33,39,35,3A,36,3C,37,3B,3E,3D,3F
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HEX 90,92,91,94,98,93,99,95,9A,96,9C,97,9B,9E,9D,9F
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HEX 50,52,51,54,58,53,59,55,5A,56,5C,57,5B,5E,5D,5F
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HEX A0,A2,A1,A4,A8,A3,A9,A5,AA,A6,AC,A7,AB,AE,AD,AF
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HEX 60,62,61,64,68,63,69,65,6A,66,6C,67,6B,6E,6D,6F
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HEX C0,C2,C1,C4,C8,C3,C9,C5,CA,C6,CC,C7,CB,CE,CD,CF
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HEX 70,72,71,74,78,73,79,75,7A,76,7C,77,7B,7E,7D,7F
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HEX B0,B2,B1,B4,B8,B3,B9,B5,BA,B6,BC,B7,BB,BE,BD,BF
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HEX E0,E2,E1,E4,E8,E3,E9,E5,EA,E6,EC,E7,EB,EE,ED,EF
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HEX D0,D2,D1,D4,D8,D3,D9,D5,DA,D6,DC,D7,DB,DE,DD,DF
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HEX F0,F2,F1,F4,F8,F3,F9,F5,FA,F6,FC,F7,FB,FE,FD,FF
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TEXTTABLE ASC " '''````~~~^^",A2,A2 ; Low res colors from darkest to lightest for Virtual ][
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ASC "..'''````~~~^^",A2,A2 ; A2 = ""
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ASC "..''~^!ll/?TYYFF"
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ASC ",,''!ll??TTYY7FF"
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ASC ",,''!l??TYYY74FF"
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ASC "__'!/llLI?7499PP"
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ASC "--'!/lLII?7499PP"
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ASC "::!/l)>LJJ7499PP"
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ASC ";;!/l)>CC66999RR"
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ASC "ii/11)>CCOO999RR"
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ASC "iil11UUZQGB988RR"
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ASC "vv1]]EEZQGB888RR"
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ASC "uu1]]WWZQGB888@@"
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ASC "oo[[[}}}JJNNMM@@"
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ASC "wwhhddbbkkKK##**"
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ASC "mmhhddbbkkKK##&*"
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THREEGRAYSHI db >THREEGRAYSTABLE
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COLORMODESTABLE db >COLORTABLE,>V2COLORTABLE,>THREEGRAYSTABLE,>MICROM8,>VIDHD,>TEXTTABLE
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FRAMESTABLE HEX 03,07,0B,0F,12,16,1A,1E,21,25,29,2D,30,34,38,3C ; how many frames transferred? HI byte lookup table
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HEX 3F,43,47,4B,4E,52,56,5A,5D,61,65,69,6C,70,74,78
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