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https://github.com/nanochess/intycolor

Utility for conversion of BMP images to Intellivision screen format
https://github.com/nanochess/intycolor

intellivision

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Utility for conversion of BMP images to Intellivision screen format

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README 

        
IntyColor converter v1.2.0 Apr/15/2021

by Oscar Toledo Gutierrez. http://nanochess.org/



This utility converts BMP files to Intellivision graphics format, generates both

assembly and IntyBASIC code.

 

Usage:



    intycolor image.bmp image.asm [label]

        Creates image for use with assembler code



    intycolor -b [-n] [-p] [-i] image.bmp image.bas [label]

        Creates image for use with IntyBASIC code



    -n     Removes stub code for display in IntyBASIC mode

    -p     Uses PRINT in IntyBASIC mode

    -o20   Initial offset for cards is 20 (0-63 is valid)

    -m     Tries to use MOBs for more than 2 colors per card

    -c     Doesn't use constants.bas for -m option

    -i     Generates BITMAP statements instead of DATA

    -i2    Generates BITMAP statements using X and .

    -r output.bmp  Generate BMP report of conversion in file

                   red = error, green = GRAM, yellow = GROM

                   grey = MOB

    -g clue.txt    Exact clues for -m, text file up to 8 lines:

                   x,y,color[,x_zoom(1-2),y_zoom(1-4),0/1]

                   The final 0/1 indicates 8x8 or 8x16;

                   Suggestion: run with empty text file and

                   option -r to see what cards require MOBs

    -x p/grom.bin  Path and file for grom.bin, by default it

                   searches in current path for grom.bin

    -fx    Flip image along the X-coordinate (mirror)

    -fy    Flip image along the Y-coordinate

    -a     All 8x8 cards as continuous bitmap in output

    -e45d2 Replace color 4 with 5 and d with 2 before process,

           useful to recreate same image with other colors.

    -d     Process image in chunks of 16 pixels high, useful

           to create MOB bitmaps.

    -v     Process 8x8 cards in vertical direction first.

           Useful for horizontal scrolling bitmaps and -a option.

    -k4    Add 4 blank cards to generated data

    -kx4   Pad generated data to a multiple of 4 cards

    -q16   Define bitmaps in blocks of 16 cards (default)

           When not using music player in IntyBASIC, limit is 18.

           When using ECS music player in IntyBASIC, limit is 13.

    -t     Tutorvision mode (GRAM supports 256 defined shapes)

           Only available for Color Stack mode.



By default intycolor creates images for use with Intellivision

Background/Foreground video format, you can use 8 primary

colors and 16 background colors for each 8x8 block.



Using the flag -s0123 creates images for use with Color Stack

mode, the 0123 can be replaced with the sequence of colors

you'll program in the Color Stack registers (hexadecimal 0-f)

intycolor will warn you if your image cannot be represented

by a real Intellivision



If you add the plus sign (for example -s0000+) it will try to

to replace solid 4x4 blocks with Colored Squares cards

(allowing 4 colors per 8x8 block).



It can use GROM characters if you provide grom.bin in current

directory.



It requires a BMP file of 8/24/32 bits, remember Intellivision

screen is a fixed size of 160x96 pixels but this utility will

accept any multiple of 8 pixels in any coordinate.



The -a option is for working over monochrome bitmaps and

generating a continous bitmap for scrolling with more than

the limit of GRAM definitions (the program must define the

bitmaps as the scrolling goes on).