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Message to all programmersHello folks, more and more programmers in the recent time are using special loading routines for their Homebrew-Software. This makes their game runn…
... -systems and a special loading routine makes it harder to copy ... part using a machine code routine. I would have to hack ... -
Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... a program.
The routine that loads the file already ... with the LINE option, the routine will load the program and ... .
However, my boot routine gets the program loaded fine ... -
Hack into Mescaline Synthesia 128Hi folks, this thread is not about copyright, although if somebody knows the e-mail adress or another way how to contact the author "DeMarche" pleas…
... to find where the loading routine is. Anybody know how to ... -
ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…
... letters move 50hz - pity same routine cant be used to display ... -
Return to +3 BASIC from 48K mode.Hello Spec-Chums! I don't know if this trick has been posted before, if it has, i apologise, but i have not been able to find it. Anyway, here goes…
Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... /> [CODE]1005 REM Attribute Block Routine
1010 REM Parameters:
Can you improve this recursive DEF FN?I came up with this function to scan strings for characters without needing to use FOR...NEXT and IF...THEN, but it seems rather long-winded. Can any…
... be used as a sub-routine offset (eg. GO SUB 1000 ...emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…
... black backgrounds due to phosphorous delay and the dot crawl was ...variable variable names with VAL$It's possible to make the RH-side variable names in a LET statement be themselves variable by using VAL$. Thus, if v$ holds the [b]name[/b] of anothe…
... done with a machine code routine, but not in BASIC. Is ...INSTR function...Hi Folks, Another little program that people might find useful: [CODE]100 DIM i(4) 110 LET a$="This is some sample text" 120 LET b$="text" 130 GO S…
... STOP
9000 REM INSTR ROUTINE
9010 REM a$=String ...Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…
... which involves a machine code routine.
The z80 with ...On a phishing mission from god...Received this in my inbox this week and thought I'd share it with you. [QUOTE][FONT=verdana][COLOR=#000000][COLOR=#000000]My Dearest In Christ, M…
... all through your life. Any delay in your reply will give ...Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …
... />
what does HLT do (HALT = Halts the processor )
halt the processor your program would ...Any MCODE programmers fancy a challenge?Hi Folks, I have been using the Micro-Print utility in the archive and found it to be really good. It is the one that provides 32, 36, 42, 51, 64 a…
... /> 140 REM Load MCODE print routine
150 CLEAR 64267
310 REM MicroPrint Routine
320 REM no=Pitch ...PoC for a ULA video generator described using Handel-C and a Basys FPGA board.Recently, I've taken a course about hardware design for video processing using FPGA's. The HDL used in the course was Handel-C, a C look alike langua…
... , a timed loop (with a delay of 32768 clocks for each ...Floating bus on 128K models[b]Background:[/b] i need run code with interrupt enabled but i need use stack instruction to maximize performance in copy/shift/mirror routines. dur…
... -safe and predict if the routine to exececute is going to ... not, i will use fast routine else code fallback into safe ...Manipulating attributes...Hi Folks, I have written a routine that allows a blue bar to be scrolled up and down a list to select an item. Each item in the list occupies two l…
... />
I have written a routine that allows a blue bar ...Machine Code Sprites and Graphics for the ZX SpectrumHi Looking for this book, if anyone can help would be most grateful. [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000229"]http://www.wor…
... years, never managed a Sprite routine but very much would like ...A clever method of using a single 8-bit register to be used for two things at a timeI don't know if this is the way the SAVE routine in the Spectrum works. Anyway, this is what I've learned today. I've been commented the disassembly…
... is the way the SAVE routine in the Spectrum works. Anyway ... the disassembly of the "save_bytes" routine of the Jupiter ACE. Everything ...Assembler intricaciesHi all, I've been looking at the internals of a game to see how it all works and I've found some things that I don't understand and can't find any i…
... a call to the ROM routine to clear some space in ...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... generating dangerous code (such as HALT, IMn, EI, DI). Assembler shall ...Help?Hi All, I wonder if anyone has a few minutes to look at this bit of code I'm working on. I'm trying to move to sprites and want to do it with a scr…
... address
inc (hl)
halt ;just so I can see ... what's going on.
halt
ret
sprite ld ...SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…
... a nice scaling and rotation routine done already, which can be ...
