David Banks

This mostly concerns external devices, like the external 6522 at #B810 When the Atom CPU is running at 8MHz, the external Phi2 clock is also 8MHz, and devices like the...

Goal is to have the external data bus track what the CPU data bus does, so that the a logic analyzer can capture an execution trace, suitable for analysis by...

Any C02 processor: } else if (instr->decimalcorrect && (em_get_D() == 1)) { // read operations on the C02 that have an extra cycle added Or find a workaround that doesn't...

Specifically, flags to control: (1) - rockwell (and wdc) extensions (RMB/SMB/BBR/BBS) (2) - wdc only extensions (WAI/STP) Currently (1) is enabled and (2) is disabled Which matches the Rockwell R65C02...

e.g. specify address and number of instructions

Native ARM Co Pro: Implement X SWI Bit

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See discussion here: https://stardot.org.uk/forums/viewtopic.php?p=424768#p424768 To correctly handle the X prefix, the SWI handler (in tube-swi.c) would need to install a temporary error handler. This would restore the original error handler,...

Discuss Dominic's Optimizations

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Hi Dominic, Sorry to hear you have not been well. Please don't feel any pressure to do anything as a result of this thread. I really just wanted to write...

AFSP matching with leading wildcard is broken

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``` INFO *MES ``` Should match GAMES but not BALL. That certainly was the case previously. Now it's behaving just like: ``` INFO * ``` Looks like this is a...

See discussion in this post: https://stardot.org.uk/forums/viewtopic.php?p=410514#p410514 Update the AtomFPGA HDMI code to add audio At the moment AtomFPGA is strictly DVI (@60Hz) but BeebFPGA is HDMI, using this for the...