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[ATARI] Altirra 1.9 test 29

[0] @ Sobota, 26 Marca 2011 08:57CET

[ATARI] Altirra 1.9 test 29

Tym razem mała poprawka, która naprawia zrzuty ekrany i mały poradnik jak pod Altirrą można odpalić ICE-T. Ciekawe, kiedy Phaeron zakończy tą serie testów i opublikuje w końcu pełną 1.9.

Any of the 14MHz dot clock modes (artifacting, VBXE) produce a double-width screen. This is because the copy command gives you raw output and doesn't do aspect ratio correction; for the same reason NTSC caps are about 11% too wide. I haven't gotten around to putting in an alternate copy command yet.

Ice-T XE 2.72 has a bug where its keyboard click routine often fails to work, even on some real Ataris. The bug is caused by attempting to abuse the OS keyboard handler's GET BYTE routine by force feeding a scan code of $01 into CH and attempts to make the K: handler read it to produce the key click. (I have no idea why, since it's easier just to write your own key click routine.) However, because Ice-T directly calls the routine without going through CIO and particularly without setting up ICAX1Z, the GET BYTE routine sometimes jumps out and doesn't clear the force fed $01, which happens to translate to the ASCII letter 'j'. Ice-T then gets stuck in a loop and keeps transmitting that character until the output buffer is full. Turning off the keyboard click and waiting for the output buffer to drain fixes the problem.

 

Altirra  Version 1.9 test 29 [changelog 26.03.2011]

  • bugs fixed
    • GTIA: Fixed hires lines not artifacting correctly with the extended PAL height setting enabled.

Altirra  Version 1.9 test 28 [changelog 25.03.2011]

  • features added
    • Debugger: Verifier modes are now configurable.
    • Debugger: Verifier can now catch register corruption across interrupts.
    • Serial: Added option to bypass accurate serial port rate throttling.

 

wstecz26/03/2011 08:57
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