It lives!

Monday, 5th December 2005

A public release of Brass has been released... it can assemble some rather nasty Z80 code (TASM macro-abusing code, that is!) fine. Hopefully people can start finding the parse errors, or just complain at the horrible colour scheme of the manual.

And why did nobody tell me you could access the LSB/MSB of IX/IY through IXL/IXH/IYL/IYH before?

@kwijibo: You can use a Latenite beta if you take this file then unzip this file on top of it. It is almost entirely data driven - all Z80 registers (that I knew about) and flags (likewise) are hard-coded (but not Z80 instructions).

BRASS

Wednesday, 30th November 2005

One logical step up for Latenite is to not have to be bundled with a 3rd party assembler.
Mainly because one (high profile!) user is having real problems getting the buggy TASM to work with it, and other people have expressed annoyance with TASM, (limited string length, limited label length, limited numbers of DBs, lack of features, buffer overflow crashes... the usual) I have decided that I need to write an assembler (BRASS).
WLA-DX is very nice but is geared towards console development and burning programs on ROMs, and defining a ROM bank map for a TI-83 Plus program is a bit silly. I will try and keep it as compatible with TASM as possible, so old TASM-geared code still compiles, but will add some new features.

brass_comparison.gif
(BRASS at the top, TASM at the bottom - not that it actually matters!)

A lot of work still needs to be done - supporting ZIDX/ZIX/ZBIT instructions (anything like BIT *,A or LD A,(IX*)) is a pretty important one, for starters. The expression parser (for things like "_label+21" needs to actually parse expressions (all it does at the moment is check for and substitute in labels or numbers). Directives for conditionals and macros (and macros themselves!) need to be worked in.

Currently supported directives: .org, .include (#include maps to .include), .locallabelchar and .module.

.include could do with some work, this will compile (or rather, it won't ever get into pass 2):

File: test.asm

.include "test.asm"

I also need ideas for directives. Some are already in my mind (.dbsin, .include_once (like PHP's require_once()), .incbin)... What would you implement if you were writing a Z80 assembler?

I hate syntax highlighting.

Monday, 28th November 2005

latenite_silver.gif

I spent this weekend completely rewriting the syntax highlighting control - this time, from scratch. It seems that all the free ones are rubbish. sad.gif Mine is rubbish, but at least I can maintain it. wink.gif Now all I have to do is wait for the people using the beta to start complaining that it's eating their source code...

My test project for it was a Lotus-like 3D racing engine.

driver.gif

I think I need to research the way it works a little better... still, not too bad for a little over 400 bytes.

Themes!

Wednesday, 23rd November 2005

Not the www2 theme though - a couple of XP theme glitches.

First up is the ListView control in .NET 2. If you switch on gridlines and scroll with the arrows on the scrollbar, it leaves the gridlines behind as nasty artefacts. This is what I came up with - and it appears to work.

Create a new class that inherits from ListView. Then add to it this code:

        /// <summary>
        /// Hacky override to fix the garbage lines.
        /// </summary>
        protected override void WndProc(ref Message m) {
            if (m.Msg == 0xF) { // 0xF is WM_PAINT
                GridLines = false;
                GridLines = true;
            }
            base.WndProc(ref m);
        }

...compile and that new class should appear in your toolbox. Use that instead of the normal ListView control.

If anyone could come up with a better solution, I'd love to hear it...

The other theme bug appeared last night in XP.

borked_s.jpg
Click for big.

I guess it can't remember if it's using Windows Classic or Windows XP styling?

Latenite

Monday, 21st November 2005

Latenite - looking more and more like a VS ripoff. grin.gif

latenite_0.0.1.0_a.jpg latenite_0.0.1.0_b.jpg latenite_0.0.1.0_c.jpg

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