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Howdy everyone! Recently I read a post by someone here on AtariAge, in some forum or another, who mentioned how much he dislikes the key click sound on our beloved A8 machines. I don't remember who or which forum right now but, I got thinking about it, and decided that for the most part, I too really don't care for the artificial key click sound the Atari makes. There are times I like it, but mostly not. Anyway, I use SpartaDOS X and thought that it would be handy to whip up a batch file which can turn the click on or off. I did that, and it worked. The problem is, it isn't callable from another batch file except as the last command. The reason for this is SpartaDOS X only allows batch chaining, not nesting. So I decided to just go ahead and make a .COM file which does the same job. Of course this can be called from anywhere in an AUTOEXEC.BAT or of course manually at the command prompt too. I just finished it and tested it some. Works good so far. I will post it tomorrow after I get everything put together into a package that is fit for distribution.
SCR2PC - Convert ZX Spectrum bitmap pictures into ColecoVision bitmap pictures by Daniel Bienvenu aka NewColeco January 2017 There are lots of cool ZX Spectrum pictures released as .scr or .mlt files and tools to make them. Technical Information ZX Spectrum bitmap screens are 256x192 pixels, same for the ColecoVision. ZX Spectrum graphics files are composed of PATTERN and COLOR data tables, same for the ColecoVision. ZX color palette is composed of 15 colors, same for the ColecoVision, but the colors are not the same. The video chip TMS9928 inside ColecoVision do not have two different magenta and two different cyan colors. ZX PATTERN and COLOR data are structured differently, bytes in a different order between them and different than how ColecoVision handles it. Considering all the similarities and differences, I've coded the following simple graphics converter tool. This converter support both .SCR and .MLT files and can generate PATTERN and COLOR data into two files instead of one .PC file. This solution is a CLI (command line interface) written in C. CV Paint 2 can load and ZX Spectrum pictures as well but is no more supported. Example ZX Spectrum Space Harrier title screen by MAC, 2014. Download SCR2PC Version 0.3 (EXE, SRC, BATCH FILE): scr2pc.zip Change log: Fixed typos SCR2PC Version 0.2 (EXE, SRC, BATCH FILE): scr2pc.zip Change log: Added multiple palettes SCR2PC Version 0.1 (EXE, SRC, BATCH FILE): scr2pc.zip Various Links Convert PowerPaint pictures into PC files Simple ColecoVision PC viewer (in Java) Atarimax Coleco Ultimate SD Multicart Gallery: ZX Art Tool: Image to ZX Spec v2.0
PC2BMP - Convert ColecoVision bitmap pictures into Microsoft 16 colors bitmap files by Daniel Bienvenu aka NewColeco January 2017 Technical information Simply put, it generates a valid BMP file, 256x192 pixels, 16 custom colors, 4 bits per pixels, according to BMP file format specifications. The color palette used here is a compromise between colors a bit washed out calculated with the TMS9928 video chip technical information and colors too saturated used on several emulators. Also, this color palette makes a distinction between transparent and black colors with its black color being slightly brighter (RGB values 8, 8, 8 for black, and 0, 0, 0 for transparent). Usage pc2bmp [-y] source.pc -o destination.bmp Samples Yuki's ColecoVision Smurf Challenge - extracted from original project as a .pc file and converted to .bmp youki smurf challenge.bmp Rion's ZX Spectrum Unreal - converted from ZX .scr file to .pc with scr2pc and then to .bmp rion Unreal.bmp Download PC2BMP Version 0.1 (EXE, SRC, BATCH FILE): pc2bmp.zip