NABULIB does not work with latest nightly (recomended) z88dk

[bocianu]

Hello World C example does not compile.
Skeleton project also fails to compile.

I have to download z88dk nightly version from may 2023 to be able to compile examples.

[linuxplayground]

+1 here.
I am just encountering the same issue. Can't compile my games. I have yet to figure out what's changed though.

[linuxplayground]

Right. I don't know WHY This fixes it, but it _SEEMS to work. Maybe you can test on your end too.

in NABU-LIB.C, change the lines where it looks like ld (INTERUPT_VECTOR_MAP_ADDRESS + ?),hl

I don't think SDCC likes it when we do the addition inside the expression. I tried hardcoding the actual address, and it started compiling ok.

INTERUPT_VECTOR_MAP_ADDRESS is defined as 0xFF00 in NABU-LIB.h

So I just searched for each occurrence of that variable in NABU-LIB.c and changed it to the hardcoded result of whatever expression was being used.

OLD:
ld (INTERUPT_VECTOR_MAP_ADDRESS + 6), hl;

NEW:
ld (0xFF06),hl

@DJSures I know it's been a while since you looked at NABU stuff, but this library does need a bit of TLC.

All the function declarations that don't contain any arguments should be declared thusly:

void myFunc(void) {
   // 
}

IE: void inside the paratheses.

This fixes the warnings about missing prototypes.

[agmsmith]

NABU-LIB seems to be working now with the current Z88DK and related SDCC compiler.

[jefferoonie]

I get the same results as @bocianu, but I see @agmsmith reports that it is working.

I'm trying to compile on Linux, so maybe I built z88dk from the wrong source. When I get back home, I will have to pull up the versions that I am using.

[agmsmith]

Which reminds me that I should get the latest Z88DK and compile it for Linux. Have a look at my blog at https://web.ncf.ca/au829/WeekendReports/20240207/NthPongWarsBlog.html for the steps I went through to get the build environment working.

By the way, I have a hacked up NABU-LIB in GitHub to remove a lot of the warning messages from missing void function argument declarations (look in the NthPongCustomisations branch, that's the change in the December 28th 2025 commits, https://github.com/agmsmith/NABU-LIB/tree/NthPongCustomisations). I've since hacked it up more for better missed frame detection (use a counter, not a boolean) and freeing up 2K of space (no full screen 80 column text buffer, redundant when using CP/M).

[jefferoonie]

Thank you for that information. I pulled down your fork. The missing prototype errors went away.
I'll probably mess around with it in a few weeks.

I also stumbled on some messages from you on the nabu.ca forums, on this very topic. I'll look through that thread when I return.