AltairZ80: VDM1 correct boot code, IO addressing

H316: Convert IMP long leaders to short, and vice versa.

sigma: return corrrect CC on line disconnect

IMLAC: Type consistency warnings. (#430)

TT2500: Debugging and reduce type slice warnings.

Github: Update runner names

AltairZ80: Support for disk images of Amstrad CPC 6128 with ULIfAC board

AltairZ80: Adds "rom" option to "load -h"

sigma: Update latest from Bob Supnik's v3.12-5

Add note on MacPorts

PDP11: RP11: Implement original RP11 controller flavor

VAX: Mask QBus addresses to 22 bits for ka630/ka65x

Allow msys2 clang64 to compile.

AltairZ80: Adds CUTER PROM to SOL20 device

I1401: Fix minor typo in error msg

Release V3.12-5

AltairZ80: Fix 8080 and Z80 CPU

PDP11: Fix to fix disassembly #331

SCP: Remove unused variable from sim_timer.c

SIMH: Fix spelling errors in comments and strings

VIDEO: Add vid_render_set_logical_size() stub

Revert "Compile fix: replaced Uint8 by uint8."

CMAKE: Regenerate, PDP10 needs USES_AIO

Compile fix: replaced Uint8 by uint8.

IBM1130: Fix address computation overflow

AltairZ80: Adds Cromemco TUART devices

The use of egrep is deprecated

PDP11: RP11: Interrupt on IE+RESET+GO

VAX: Add UW device to 8600 and 8200.

AltairZ80: Changes to JAIR devices