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A latency-hating emulator of 8- and 16-bit platforms: the Acorn Electron, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1, Oric 1/Atmos, Sega Master System, Sinclair
39 Commits 7 Branches 121 Tags 500 MiB
C++ 76.8%
Objective-C++ 13.2%
Swift 4%
Assembly 2.9%
Objective-C 1.4%
Other 1.6%
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Thomas Harte 31338ef754 Okay; having no minimum size is a user experience nightmare. Fixed.
2015-07-23 22:54:17 -04:00
Machines Looked up normal retrace time (it's a lot less than 16µs and 26 scanlines — more like 7 and 10) and that the visible portion of a line is defined to start about 12 µs after the start of hsync, put the first two numbers into my CRT to make that more accurate, then derived a newer guess about what the Atari 2600 does for each of its 228 cycles. The text version of a frame is now looking pretty good. So it's probably time to hit OpenGL and the OS X side of things. Though I'll have a quick look to find out whether I can learn the exact real Atari 2600 timings before moving on. 2015-07-23 19:24:25 -04:00
OSBindings/Mac Okay; having no minimum size is a user experience nightmare. Fixed. 2015-07-23 22:54:17 -04:00
Outputs Looked up normal retrace time (it's a lot less than 16µs and 26 scanlines — more like 7 and 10) and that the visible portion of a line is defined to start about 12 µs after the start of hsync, put the first two numbers into my CRT to make that more accurate, then derived a newer guess about what the Atari 2600 does for each of its 228 cycles. The text version of a frame is now looking pretty good. So it's probably time to hit OpenGL and the OS X side of things. Though I'll have a quick look to find out whether I can learn the exact real Atari 2600 timings before moving on. 2015-07-23 19:24:25 -04:00
Processors/6502 Imported what little I have so far in the way of a memory-access cycle complete 6502 and just enough of a pretend Atari 2600 on top to be able to see some playfields in ASCII art. 2015-07-16 19:56:02 -04:00
.gitignore Imported what little I have so far in the way of a memory-access cycle complete 6502 and just enough of a pretend Atari 2600 on top to be able to see some playfields in ASCII art. 2015-07-16 19:56:02 -04:00
LICENSE Initial commit 2015-07-16 19:46:52 -04:00
README.md Create README.md 2015-07-16 19:47:37 -04:00

README.md

CLK

An attempt to unify my various bits of emulation; we'll see.