SourceCoder z80 assembly syntax?

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theprogrammingcube
New Member (Posts: 99)

SourceCoder z80 assembly syntax?
29 Aug 2023 11:29:06 am

So I'm moving over to SourceCoder for z80 assembly learning, and I am completely lost on the syntax to use.
This program:

Code:




; Program Name:


; Author(s):


; Description:





.nolist


#include "ti83plus.inc"


.list





   .org userMem-2


   .db $BB,$6D


   ; Program code goes here


   ld a,0


   ld (curRow),a


   ld (curCol),a


   ld hl,msg


   bcall (PutS)


   ret


msg:


   .db   "Hello, World!",0

locks up the emulator completely.
What am I missing?
I tried b_call, _PutS, things taken directly from the ti83plus.inc file, still the same thing.

theprogrammingcube
New Member (Posts: 99)

29 Aug 2023 12:28:51 pm

UPDATE

I fixed it, just absolutely lost on why or how its such a small error.

By googling, I found sourcecoders' z80 asm update page announcement from 8 years ago
https://www.cemetech.net/news/2015/4/737/_/z80-and-ez80-asm-support-added-to-sourcecoder-3

After studying it, it looks like there is no space between bcall and the (). This worked!

Tari
3
Systems Wrangler (Posts: 3495)

29 Aug 2023 08:49:57 pm

Huh, that seems like a bad bug in Spasm that it silently ignores the macro parameter in that case.

For reference, this is the listing emitted when there's a space:
Code:

1 00:0000 - - - -


5 00:0000 - - - -


6 00:0000 - - - - .org userMem-2


7 00:9D93 BB 6D - - .db $BB,$6D


8 00:9D95 - - - - ; Program code goes here


9 00:9D95 3E 00 - - ld a,0


10 00:9D97 32 4B 84 - ld (curRow),a


11 00:9D9A 32 4C 84 - ld (curCol),a


12 00:9D9D 21 A2 9D - ld hl,msg


13 00:9DA0 EF - - - bcall (_PutS)


14 00:9DA1 C9 - - - ret


15 00:9DA2 - - - - msg:


16 00:9DA2 48 65 6C 6C


6F 2C 20 57


6F 72 6C 64

We can see that the bcall address on line 13 is omitted completely, where that should be:
Code:

13 00:9DA0 EF 0A 45 - bcall(_PutS)

I've opened an issue with Spasm about this: https://github.com/alberthdev/spasm-ng/issues/70

theprogrammingcube
New Member (Posts: 99)

30 Aug 2023 07:57:28 am

Thanks a bunch! That's absolutely wild. I plan on using jstified for asm moving forward, so if I come across any other problems, I'll let you know!

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