Derek Bolli

ZX81 uses IX register for display (including WRX hires) so unless your code runs in the equivalent of FAST mode, you will need to preserve IX via --reserve-regs-ix

@suborb > I've got a memory of af' being reserved as well Correct, the NMI display ROM routine at $0066 uses AF' as a display line counter.

@[feilipu](https://github.com/feilipu) > Is there a web emulator around for ZX81 that you can drop .P files into and run them? http://www.vavasour.ca/jeff/ts1000/ if your browser supports java

@suborb Thanks for your response, making that change now works for constants LD BC,$1234 ;[61E5] 01 34 12 CALL STACKBC ;[61E8] CD 2B 2D LD BC,$3456 ;[61EB] 01 56 34...

FYI, I'm running lua 5.4.6 on macOS 14.1.1 and I needed to install [bit32 via luarocks](https://luarocks.org/modules/siffiejoe/bit32) ``` $ luarocks install bit32 ``` then I added ``` bit32 = require( "bit32"...

Build script still appears to be looking in /usr/local and fails with error message ``` ti8xk.c:20:10: fatal error: 'gmp.h' file not found #include // Not much you can do about...

I have re-tested further and workaround above works but I had to add [-E](https://stackoverflow.com/a/50603486) as in ``` sudo -E ./build.sh ``` to preserve the environment variables Thanks for the workaround...

Thanks for the update. Works for me 👍 Nightly build for 20240312 compiled successfully on macOS 14.4 after commenting out the "export CFLAGS" and "export LDFLAGS" commands listed above and...