I can do

DEFB 1,2,3,4

And I can do

DEFB "Hello World"

But I can't do

DEFB "Hello World",10

And I wish I could

Am I doing something wrong here? I think the order of operations is messing up. This looks very odd. Is BAND a lower priority than = ?

Shiru's Beepfx (http://shiru.untergrund.net/files/beepfx.zip) is quite an interesting tool for sound effects. He doesn't believe it can be used for tunes - but it can do different pitched "tones" and include pauses, and that spells tune to me. Beepola is probably a better choice for real tune making, though.

Anyway - the asm it produces is not compatible with zxb's assembler. So I did the working out of how to tweak it to work.

So the sound calling routine would look like this:

Hi Boriel, just following easy question:
If I use a heap of 256 bytes, where it is put into memory? I want to know where I cannot put any binary data.
Is this 65535-heapsize?
Edit: May this be problematic if I page the heap out? Is there a possibility that we can put the heap at a selected memory area (e.g. a buffer created with DEFB's) at program start (I know that changing it may crash the program).

Clearly not finished, but I wanted feedback on how it feels. I spent /ages/ getting complex ghost behaviour right. Compare with CDS gobble a ghost, for example.

<!-- m --><a class="postlink" href="http://dl.dropbox.com/u/4903664/DemoMan.tzx">http://dl.dropbox.com/u/4903664/DemoMan.tzx</a><!-- m -->

(Yes, I know you can't die. Or eat ghosts. Yes, I know it breaks on level 2)

Another game finished and waiting for the music. It is one of the "lost games" from my homepage, rewritten and optimised from HiSoft BASIC to ZXBC. Some new stuff also added like a big explosion animation where the frames are compressed with MegaLZ and decompressed while playback. Also Border-effect added on the start screen, but only correctly working on Spectrum 128 in 48K or USR0 mode (In 128K BASIC the border jumps up and down, also it looks that the Spectrum is a bit slower), so DivIDE-users will load it right on their 128K.

  u-boothunt.png (Size: 1.27 KB / Downloads: 4246)
The goal is to find a nazi u-boot (submarine) and hit it with a depthcharge. You do not know where the sub is, but you know the distance between explosion and the sub. Easy? I don't think so because there is a limited number of Deptcharges and the sub moves constantly.
Okay, it is not a big game and not so good as Earthraid, but I wanted to release it to not have that many MIA titles in my portfolio.

  Earthraid.png (Size: 3.03 KB / Downloads: 7289)
Cooming soon: "EARTHRAID". This is a game published in 1986 for the Commodore C64. I made a Spectrum conversion of it. Its allready finished, but waiting now for a soundtrack.

Not sure if this is a bug, per se - but it is certainly a bit ugly.

This even survived the peephole optimizer.

Input Basic:

IF myCurrentVector = %1000 then

Output assembly:

ld a, (ix+9)
sub 8
sub 1
jp nc, __LABEL56


Two subs in a row? And worse "Sub 1" instead of a dec?

It later tests:

IF myCurrentVector = %0001 then

as:
ld a, (ix+9)
dec a
sub 1
jp nc, __LABEL63



And I'm not even convinced that's the same test as "equal to x" Surely that's testing "If myCurrentVector>x" anyway?

Are bools supported by zxbasic?

If so, would an array of bools take up only 1/8 of the room as an array of Bytes?

If you (boriel) ever feel you want to re-write the compiler blitzmax would be a good choice, it has similar syntax to python but is a lot faster. It has a regular expressions module too and is crossplatform.