Hi,

Would anyone be kind enough to give me a short example of using spectrum.h? Especially the colours and the BASIC keywords.

Thanks in advance.

... Write your game for the Spectrum, but share it with the ... As of now, only the Spectrum version is completed, but the ... zx library with prototypes in spectrum.h
- functions to read ... library with protoypes in spectrum.h and input.h (the latter are functions ...

... an open-development approach for spectrum games, and I thought why ... saw a conversion to the spectrum. As this is such a ... some exposure to z88dk's spectrum libraries.

Have fun ... . Also look up the new spectrum.h library for the strange screen ...

I'm starting my tests with z88dk from a very simple example from a tutorial in speccy.org. It works fine but when I make the smallest modification to the code, it just crashes.

Now it works but note that if I uncomment the final printf, then ...

Hi All,

It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:-

This example sprite demo program is based on a simplified version of aralbrec's ...

... /> // format is y,x,w,h!
struct sp1_Rect cliprect = {2 ...

... 's the library file (bfl.h):


[CODE]#ifndef ... (64953), a
ld a, h
[COLOR=Red] ld (649 ... (bfdemo.c), put the bfl.h in the same directory.
#include
#include "bfl.h"

#pragma output STACKPTR ...

... /> #asm
ld d,h
ld h,0
call _ay_command ... /> #asm
ld d,h
ld h,2
call _ay_command ... /> #asm
ld d,h
ld h,11
call _ay_command ... /> #asm
ld d,h
ld h,13
call _ay_command ...

... a test program for the spectrum:

[code]
// zcc ...

By popular demand (well, demand of one, which is highly popular in the sorts of things I do :D ), here is a small celebration of tau day, June 28.  For those unfamiliar with it, Tau Day competes with Pi Day (March 14) for your attentions.

The ...

...
#include //ZX Spectrum Low Resolution Colour Graphics library ...
#define XMAX 255//Spectrum horizontal screen boundary
#define ... code]

spec_plot.h
[code]
static ... xor e
ld h,a
ld ...

... in source file /home/dev/Spectrum/DevelopmentTools/Z88DK/z88dk/lib/config ...

[b]How to write a simple C/asm horizontal scrolling game[/b]

[b]Note:[/b] This tutorial has multiple parts... I am still writing but this first part, setting up a good C/asm development environment can take some time to get it to work ...

A test program to try:

the create-app option in the compile command will cause zcc to create a tap file you can pop into an emulator.

[code]

/////////////////////////////////////////////////////////////
// TEST ...

... LIB (block memory allocator), SPECTRUM (actually the standard zx library ... info. (** note: sp1.h is not completely finished off ... a table index. SP1.H contains IDs for all ... listed in the SP1.H header file - they ... sprite identifiers in SP1.H you should be able ...

... standard zx library and header "spectrum.h").

Next we initialize ... bits are (copied from sp1.h):

[code]
#define ... have a look at sp1.h you will see that there ... are much larger than the Spectrum's display dimensions. SP1's ...

...
[/code]

string.h is included to get hold ... ()'s prototype copied from sp1.h:

[code]
extern ...

... .h" is included to gain access to the keyboard scanning functions. "spectrum.h ... " and "input.h" contain functions to read ...

... /> {z88dk}/include/input.h and {z88dk}/include/spectrum.h contain all the keyboard ... library.

{z88dk}/include/spectrum.h contains functions for computing screen ... ready for loading into the Spectrum. Unfortunately, most Russian code contains ...

... look at the new include/spectrum.h and I really like the ...

Maybe this should have it's own thread instead of hijacking this one?

Anyway, I thought I'd have a play around and see if I could program a simple 32 column character scroller in C as a learning exercise. The problem is, that I've got a ...

... (z88dk/libsrc/sprites/software/sp1/spectrum-customize.asm) has been altered ... up "z88dk/include/sprites/sp1.h" (placed there when the SP1 ...

... use a library function from spectrum.h, now is the time ... already there.

Spectrum.h contains a lot of subroutines ... on the wiki page for spectrum.h). "cyx" means character (y ... a single scan line. The spectrum.h library's zx_saddrpdown() function ...

[QUOTE=dom;200444]The temporary files are cleaned up when the driver exits, you can preserve them with the -no-cleanup option to zcc.

But the easiest way to find out what's going on is to do a zcc -a [other options] which will create a .opt ...

... )
inc hl
ld h,(hl)
ld l,a ... you have a look at spectrum.h you'll see zx_saddrpdown() is ...

Good morning all,

Here is what I have done so far after reading Alvin's and dom's post regarding the way z88dk interfaces with z80 assembler and the calling conventions and stuff :grin:

[CODE]// scroll-test.c
// zcc +zx -vn ...

... net/z88dk/z88dk/include/spectrum.h?view=markup"]spectrum.h[/URL]:

spectrum/zx_cyx2saddr_callee.asm?revision= ... constant defined elsewhere
;; h = Y coordinate, l = X ... /sprites/software/sp1/spectrum-customize.asm?revision= ...

Thanks dom, Alvin,

Here is the code that is driving me up the walls.

[CODE]// scroll.c
// zcc +zx -vn scroll.c -o scroll.bin -create-app

///////////////////////////////////////////////////////////////////////

OK,

I have noticed that the scrolling message works a lot better in Spectaculator than in SPIN, but this could be the dinosaur I am working on at home, or maybe not. Anyway, even in Spectaculator there is a hickup in the scrolling message but ...

[URL="http://www.mediafire.com/?4ilvneyhcmm"]Download tap and C file here[/URL].

Here is my version of the scoller using memopd:

[code]

// zcc +zx -vn scroller.c -o scroller.bin -lim2 -create-app

#include ...