Emulation for RC2014 and related systems

[Alan Cox]

https://github.com/EtchedPixels/RC2014.git

Designed for system debug and also ROM debug/bring up so has lots of tracing options.

This has emulation support for

RC2014

- Classic, paged ROM or 512/512K

- ACIA

- SIO

- CF Adapter

- DS1302 RTC

- CTC

Also for

Easy Z80

SC108 CPU card

SC114 motherboard

Z80SBC64

Z80MB64

RC2014 with 8085 (including 8085 undocumented)

- 16550A UART

- ACIA

- SIO/2

- CF Adapter

- CTC

- 512K RAM/ROM

RC2014 with 6502

- 16550A UART

- CF Adapter

- 512K RAM/ROM

- 6522 VIA

And for

RBC / N8VEM Mark 2

- 16x50 UART

- PPIDE

- PropIO v2

- Timer on serial hack

- AMF

Grant Searle 9 chip CP/M

- timer on serial hack

- 128K RAM via SIO hack

Tom's SBC version C

- timer on serial hack

- 128K RAM via SIO hack

- Up to 64K banked ROM

LiNC 80 SBC

- Including (as yet never released?) banked RAM expansion

SmallZ80

SBC-2G-512K

Z80 Membership Card

- partial doesn't emulate the bitbang port or the keypad/led but can run CP/M (and of course Fuzix)

Z80 MBC-2

- Emulates the IO processor interface not the I/O processor itself

https://github.com/EtchedPixels/Virtual68

Emulates Bill's Tiny68K and T68KRC although it currently doesn't emulate any RC014 cards attached to it.

[Steve Cousins]

That is a serious amount of work you've done there. Stay up late do you :)

[Paul Williamson]

Pretty cool, thanks! I was able to run CP/M under SCM with only minimal fiddling around.

My compiler coughed up a couple of warnings that appear to be actual bugs:

  rc2014.c:79 variable 'vector' is uninitialized when used here

  w5100.c:987 using the result of an assignment as a conditional

  -Paul

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[TonyD]

+1 what Steve and Paul said. Great piece of work

Tony

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[Alan Cox]

On Friday, 21 June 2019 02:46:35 UTC+1, Paul Williamson wrote:

Pretty cool, thanks! I was able to run CP/M under SCM with only minimal fiddling around.

My compiler coughed up a couple of warnings that appear to be actual bugs:

  rc2014.c:79 variable 'vector' is uninitialized when used here

  w5100.c:987 using the result of an assignment as a conditional

I ought to read the compiler warnings more often. The rc2014.c is a new one from the last vector fixups but the w5100 one has been there ages

Both fixed.