I jak zwykle dzięki abrisowi (Спасибо большое за информацию и всего самого доброго в новом году;) mamy świeże info o najnowszej becie emulatora ATARI XL/XE/5200 - Altirrze imć Phaerona, jednym z najbardziej dynamicznie rozwijających się emulatorów maszynek ze świętą górą w logotypie.
Altirra 1.9 Test 1 Change Log
features added
- Debugger:Multiple memory access breakpoints can now be placed.
- Debugger:Added option to break on run address of loaded executable.
- Debugger:Conditional breakpoints (bx) are now supported.
- Debugger:Commands can now be run when a breakpoint fires.
- Debugger:Added ? (evaluate) and .printf commands.
- Debugger:Trace and assert statements can now be embedded in assembler listings.
- Debugger:Added vta, vtc, vtl, and vtr commands to control verifier OS entry point checking. SoundBoard: Initial support.
- UI:Added emulator crash dialog. bugs fixed
- UI:Pane dragging is less twitchy and no longer undocks a pane as soon as you click on the caption. HLE: Fixed crash when NMI handler is invoked with no NMIs pending.
- HLE:Added support for XL OS PENTV vector.
- Simulator:Default kernel mode now prefers ROM images properly again. Cheats:Enable checkbox on cheats was broken.
- CPU:Fixed CMOS BIT #imm ($89) instruction.
- CPU:Fixed 65C02 $FC instruction.
- ANTIC:DMACTL bits 6 and 7 are no longer reflected in .dlhistory output. Debugger:Optimized History pane.
- Debugger: Avoid re-requesting the same source file when it is not found on disk.
- Debugger:Improved reliability of source-level stepping.
- Debugger:Added XL OS entry points to default entry points allowed by verifier.
I was struck by both nostalgia and ambition and started to write a new 8-bit Atari emulator from scratch. This is the result.
At this point, I've learned a lot more about the Atari and Altirra now emulates more than I ever had or did years ago, but I still work on it periodically. It also serves as a modularity test for the VirtualDub code base, from which Altirra shares some components. If you are struck by nostalgia too or have a desire to do some Atari development, perhaps it might be useful to you, too.