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Found 4 results

  1. Is anybody on this forum successfully using the SPECTRA2 gaming library that comes with Win994a emulator? I have successfully created cartridges for both example1.a99 and example2.a99. I get option 2 HELLO WORLD on the TI menu when the cartridge is loaded but when I select option 2 the programs do not run as expected. I get a cleared blue screen with no text for about a second then I’m returned to the TI Logo screen (screen with color bars top and bottom). Programs compile successfully in the assembler with no errors. Win994a does not seem to have a debugger so I can’t debug the program to see what’s happening. I searched this forum and did not find anyone else having an issue.
  2. Could someone please try the attached binary on the real deal? It's an 8k cartridge ROM that runs on the unexpanded console. I've been working on enhancing my spectra2 library with some new routines and would like to check if the Hardware is recognized in a reliable way. It should test the below: 1. Check if F18A is installed 2. Check if speech synthesizer is available 3. List the VDP refresh rate 50/60Hz Thanks. test1c.bin
  3. Here's a funny little perl script I made that tries to find the offset in the OS ROM of all values between 0-FFFF, generating the required equates. It expects that a binary file with the TI-99/4A OS ROM (not GROM!) is available in the current directory. NOTE: Due to lincense issues, I can't share the TI-99/4A ROM image. However if you are using MESS for emulating the TI-99/4A you already have it. Click on the spoiler button for viewing the source code. EDIT: Somehow the formatting gets screwed when copying it into atariage, stange. Oh well, you get the idea. I tried it using activestate perl on windows, but suppose it should run the same with plain vanilla perl on linux. So what is this good for? It can save you a few data statements in your assembly language program, if the value you want to access is already present in the OS ROM. Also due to the fact that the OS ROM is 16bit, there is no speed penalty. The main reason for me implementing this is to make the spectra2 library a bit smaller by removing unnecessary data statements, squeezing the most out of the 8K cartridge ROM space. The below equates files were produced by the script. The first one is the hex version and the second one is the decimal version. In the value range 0-FFFF, 1632 mathing values were found. Not bad considering this is only a 8K ROM. tiromequh.asm tiromequd.asm Note that the Asm994a assembler chokes with a "Out of symbol table space" when both files are included, but works fine if only using one of both. As far as I know all TI-99/4A revisions used the same OS ROM, this was already discussed here on Atariage about a year ago.
  4. So it has been a few years since I've done TMS9900 assembly language programming. Here's a recycled demo where I've now attached a speech sample. Tried it with classic99. Anyone willing to try if this also works on the real deal? It's an 8K image, scratchpad memory only. You'll need a supercart and a speech synthesizer to run this. CART.bin
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