... updates, as there will be contention to deal with in the ...

... changed, and there will be contention somewhere. That's all.
contention excepted), or very shortly afterwards ...

... pixel display area to avoid contention with you wonderful chaps who ... , because we want to avoid contention with the palette updates. Loading ... if we want to avoid contention. Doing so when the CPU ...

... pixel display area to avoid contention with you wonderful chaps who ...

... -scanline and its affect on contention. My question then is, do ...

... -scanline and its affect on contention. My question then is, do ...

... would mean implementing a second contention model for the new ula ...

... early stage of development, and contention timing. Everything else about the ...

... learn and work with the contention and timing, and just trust ...

... , which was signalled by a HALT instruction (which actually executed, to ...

... than 1 frame.

halt maybe messes up your timing ...

... main routine immeidately BEFORE the HALT statement so that the calcs ... . so that immediately after the HALT you can do a simple ... your precalc time (before the HALT) is sort your sprites into ...

... ;402217]
If I perform HALT command in machine code, the ...

... Interrupt signal that makes a HALT instruction end,
invoke ... ;allow interrupts (normal = IM1)
HALT ;does make the test!
HALT is executed also a MASK ... screen memory after issueing a HALT
for synchronizing, how ...

... set, instead of issuing a HALT. If your precalculations take a ...

You could call it the Contention Competition, since all the lower ...

... ]You could call it the Contention Competition, since all the lower ...

... '#39; I: 134),
(S: 'HALT'; I: 41+($FF0076 shl 8 ...

... '#39; I: 134),
(S: 'HALT'; I: 41+($FF0076 shl 8 ...

... the ula into thinking bus contention occurs. At least that was ...

... too. Currently documenting the CPU contention, which is proving tricky to ...

... hat, and maybe the memory contention could have been avoided?), but ...

... fetch by the program causes contention while the screen draws and ... 't properly deal with two contention events close together if it ...

... fetch by the program causes contention while the screen draws and ...

... similar. The lack of memory contention gives them a boost over ...

... , with close timings and memory contention. Second generation (1990-1995), including ... Pentagon, has no memory contention and different timings (because it ...

... clones with original ZX Spectrum (contention), TR-DOS (loadings in the ...

... clones with original ZX Spectrum (contention), TR-DOS (loadings in the ...

... unmanned station, really just a halt with a pre-fab platform ...