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SP1 library questionsI'm working on my first game. I've not written a game since the late 1980s and that was a text based multiuser dungeon for BBC Micros with econet... …
... URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/ ... relative to the current position by character and pixel ... very quick functions in z88dk for manipulating screen ... URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/include/spectrum. ... -
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... the SP1 library from the z88dk so you can concentrate on ... the code (which is in assembly language) may help you understand ... -
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... the SP1 library from the z88dk so you can concentrate on ... the code (which is in assembly language) may help you understand ... -
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... the [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/spectrum/display ... examine [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/spectrum/display ... consuming than modifying an existing position represented by a screen address ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... sprites vertically at a pixel position is easy, which will ... sprite at a pixel position horizontally and that is ... original sprite data one bit position to the right before ... call [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/spectrum/display ... -
BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…
... be kind to the z80 assembly n00b, but in a game ... the screen at a specified position? i.e. the parameters would ... and its x and y position. That 'display' routine would be ... moment. I haven't done assembly in 20 years, where i ... -
BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…
... be kind to the z80 assembly n00b, but in a game ... the screen at a specified position? i.e. the parameters would ... and its x and y position. That 'display' routine would be ... moment. I haven't done assembly in 20 years, where i ... -
Creating a new game - AssemblySo... finally I?m studying Assembly Z80... after 36 years. :) Well... it?s sooooooooooooo hard to make a game using Assembly? I bought a book (Spectr…
Also, do you want to make a ZX game in assembly, or just a ZX game in general? Because there are good alternatives to assembly (for simple games), namely Boriel's ZX Basic compiler and few C compilers (z88dk, SDCC). -
Creating a new game - AssemblySo... finally I?m studying Assembly Z80... after 36 years. :) Well... it?s sooooooooooooo hard to make a game using Assembly? I bought a book (Spectr…
... I wrote my first ever assembly program and entered the following ... a blink bloke at first position of the screen. :) -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... somewhat a disadvantage to using z88dk - but then that's just ... ) C++, MIPs, 6502 and z80 assembly and I vaguely remember some ... you have the convenience of assembly when you need it. (Okay ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... to use the z88dk, the z88dk is also for assembly language. C is ... -
A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... a tile image at any position (horizontally, to character precision; vertically ... routine in a way that Assembly programs could also call them ... . It slides into its new position, then the sprite is removed ... -
LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…
... , and calculating some parameters during assembly rather than runtime. Here's ... /> jr z,NEXTSW ;reached Coding Position
MANEXT1:ld bc ... -
Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
...
[URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... br /> [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... a,h ; write next token position into string_ptr
ld ... -
Released programs using Fourspriter?What programs have been released so far, using [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0023858"]Fourspriter[/URL]? There's [URL="http…
... ZX BASIC, C (using z88dk), or directly in Assembly.
I ... -
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... great games with z88dk with the aid of an assembly backend for ... cases are also misleading. z88dk mainly generates code for size ... programs it should go to z88dk.
The speed ... bit multiplies and divides) whereas z88dk does have native functions. ... -
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... multiplies and divides) whereas z88dk does have native functions ... : z88dk seems to be more suited for assembly programmers ... functions were done in assembly (I wrote my ... work the logics in assembly yet with my knowledge ... way to inline your assembly. I guess that ... -
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... with an experimental version of z88dk with sdcc. It's far ... also have the feeling that assembly routines will be optimized too ... t have the extensive libraries z88dk provides. Even though I can ... other beginners to start with z88dk for the Spectrum. (Also easier ... -
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... no problems with using inline assembly in SDCC. It does ... may require calls to the z88dk functions with pushix/popix ... surrounds the asm code. z88dk's calling conventions are designed ... [/code]
The z88dk equivalent using CALLEE linkage:
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... you can (just use inline assembly).[/QUOTE]
I ... had a interesting conversation with z88dk developers on this issue, ... Interrupts are always disabled in z88dk when starting our program, causing ... and accepted by the z88dk development team[/URL] and ...In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... a wrapper for the existing z88dk library for instance (especially sp1 ... properly document how to invoke assembly routines, providing some kind of ... s ZX BASIC Compiler and z88dk C Compiler are both quite ... write a library and invoke assembly, I will gladly write ...Low level microdrive programmingSo I'm on my lunch break trying to find out about low level microdrive programming (without using IF1 ROM). I see one can use port 0xe7 to read and w…
As I understand it z88dk and sdcc are converging and it may eventually be possible to use binutils to do the assembly, but that doesn't help you today. :(Low level microdrive programmingSo I'm on my lunch break trying to find out about low level microdrive programming (without using IF1 ROM). I see one can use port 0xe7 to read and w…
... ;641787]As I understand it z88dk and sdcc are converging and ... use binutils to do the assembly, but that doesn't help ...BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
... * Requires "BIFROSTENGINEV1.2H_z88dkInterface.zip" and z88dk
*
* This ... ]; // hi-res vertical tile position
int col[NUM_TILES]; ... // hi-res horizontal tile position
int dlin[NUM_TILES]; ...Source codes?If you have ever released the source code for your game(s) at WoS, please mention here the programming language that was used, so Martijn can identif…
... Jota (Ko!) - C (z88dk)
Fourspriter - assembly
Fundamentally Loathsome aka ... . Phantomasa 3 - C (z88dk/splib2)
z88dk) and Assembly
Moggy Adventure - C (z88dk/splib2)
...Source codes?If you have ever released the source code for your game(s) at WoS, please mention here the programming language that was used, so Martijn can identif…
... ]My point is that an Assembly listing for Pasmo can be ... converted to an Assembly listing for any other assembler ... doing a traditional 3 pass assembly (SJASM Plus, Pasmo, assemblers from ... as the assembler used by z88dk and GNU binutils.
sjasmplus labelsHi guys, Got a quick question about labels in sjasmplus. I'm trying to adapt Shiru's Huby routine for TASM. there's a part which I can't quite figu…
... assembler that comes with the z88dk, the . must be omitted where ... used in code or the assembly will fail (and I think ... try to assemble with the z88dk's assembler. You have to ...BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…
... * Requires "BIFROSTENGINEV1.2H_z88dkInterface.zip" and z88dk
* This ... ]; // minimum hi-res horizontal position
int max[NUM_ENEMIES]; ... // maximum hi-res horizontal position
int px, py; ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... the last one.
The assembly language instruction for 'return to ... .
To save the road position, which we'll need frequently ... to increment / decrement the car position.
Replace line 43 with ... is odd, lower the road position in hl by one. If ...Keyboard TrickI know how to use the multi key in BASIC with IN you can get the keys [QUOTE]IN 254+256*(255-2^K)[/QUOTE] K is the keyboard's half row, comes from …
... from BASIC. The program is position independent to locate it where ... .
Here is the assembly code:
[code] ORG 49152 ... /> PUSH HL ; Will return buffer position later
LD BC, 254 ...
