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Challenge: Make a Speccy version of "Leisure Suit Larry 1"and put it on this site as a rom c'mon be nice!
... be seen via the way back machine:
[url]www ... the words have the usual byte thing added to the last ... and copying the translated words back into the game. But you ... -
Seeking alternatives to DATA statementsAnyone know of any memory saving alternatives to storing a list of numbers, other than using DATA statements or poking data into addresses?... Im ti…
... issue) was only ever 1 byte per number but does have ... am wondering whether a step back to two different approaches which ... -
Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... to give much of it back as you move the stack ... about optimising a push/pop byte copier that uses a loop ... -
Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... to give much of it back as you move the stack ... about optimising a push/pop byte copier that uses a loop ... -
Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... five cycles for just one byte, where PUSH has SP on ... when it kicks in, and back to LDI afterwards. Has anyone ... -
Rest in Peace, Jonathan Smith (was: Frobush Absence)You may or may not have noticed the absence of the honourable Frobush aka Jofa Smifff from your forums... The explanation is a little sad but does ha…
... absolutely gutted to discover that Joffa died on 26 June, aged ... waiting for him to get back in touch. Thanks to Skarpo ... />
Well then - thanks to Joffa for all the comedy, all ... -
Youtube DumpI think there was a thread containing only Youtube vids before but I can't find it so here's a new one. To start, here's my current favourite Mighty …
[QUOTE=Scottie_uk;467281][youtube]BBPEksZrLQU[/youtube]
This reminds me of something Joffa would make. :lol:[/QUOTE]
I think Joffa actually did post this vid up about a year or 2 back tbh? -
Chuck your speccy through the window momentsInspired by my recent playthrough of Bully on the Wii. I completed a mission first try and then the game crashed. I then failed to do this mission fo…
... and over all those years back... I was very tempted to ... over.
I think Joffa got the playability factor perfect ... -
SaucerI'm gutted over Joffa. He was a bloomin marvellous guy. Anyway, I feel like finishing Saucer for him, so at least there will be one more game to his…
... with this project. I guess Joffa would enjoy you taking on ... for others to complete way back.
It is worth ... -
New RZX Block Type Suggestion -- AnnotationWho is maintaining the RZX specification at the moment? I'd like to ask for the feasability of the following request. Annotations embedded within th…
... .e., the time never goes back). (We might eventually change this ... width. I guess single signed byte can be used to hold ... -
Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…
... PEEKing back certain bits (each chip holds one bit of each byte ... -
Time function?How do you do a timer? Example: Start timer If timer = 10 seconds then reset timer Thanks
... saturation (when an incrementing byte goes from 255 back to 0) happens ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... leaving, I jumped ship and....back to Creations...
Worked ... ]
if you mean joffa smith you do know hes ... -
Spectrum PackageHi all, I'm only new to this. My dad was a BIG spectrum fan years ago but unfortunately gave it up a long time ago. Going through some of his old st…
... (Silversoft)
Roboto (Bug-byte)
Confuzion (Incentive)
Rubicon (Bug-byte)
Hunter Killer Run Silent ... Agent XII : The Mad Profs Back (Mastertronic)
Hot Rasputin ... II (Mastertronic)
Back Packers Guide to the Univers ... -
Spectrum ZX Games For SaleHi all, My dad has recently came across his Spectrum ZX and games upon delving into his stash of computers. Does anybody out there still use them,…
... (Silversoft)
Roboto (Bug-byte)
Confuzion (Incentive)
Rubicon (Bug-byte)
Hunter Killer Run Silent ... Agent XII : The Mad Profs Back (Mastertronic)
Hot Rasputin ... II (Mastertronic)
Back Packers Guide to the Univers ... -
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…
... ; Put it in the High Byte
ld a,l ; We ... the Low byte
ld l,a ; Put it back in L ... -
ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…
... ld (hl),a ;write byte to screen
inc ... de ;get next byte of Character "A"
back
ret[/CODE] -
Machine code[CODE] OPCODE HEX ADD LD A,05 3E05 F000 LD B,00 0600 F002 INC B 04 LOOP F004 CP A,B B8 F005 JP NZ,LOOP C2F003 F006 LD B,00 0600 F009 LD …
... 34h then the 12. small byte first.
But it ... the low bit, then going back to the high bit if ... -
DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
... but it would be on byte boundaries since the hardware doesn ... of the screen from the back buffer over where you are ... -
Joffa's gamesI think opening this thread would be a nice way to pay homage to Joffa. According to infoseek, this is the list of games programmed by him, as a so…
... />
"[I]Hey Joffa if your listening, thanks for ... /> Maybe God will let Joffa debug the code that runs ... . For a start, Joffa could fix the bugs ... give me back my hair.
Please, Joffa?
... all the 80s programmers, Joffa was the last person ... -
Joffa's gamesI think opening this thread would be a nice way to pay homage to Joffa. According to infoseek, this is the list of games programmed by him, as a so…
... ]
Maybe God will let Joffa debug the code that runs ... the universe. For a start, Joffa could fix the bugs that ... the lottery. And give me back my hair.
[/QUOTE ... ] videos...then we'll know Joffa's got at the code ... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... afternoon until not a single byte of Fuse is in the ... of the Spectrum emulator scene back to the days of Gerton ... -
Zero (aka Ziggy) 0.4.5The 0.4.5 preview build is available for er... preview. There are still some bugs and glitches to iron out but I have taken various suggestions on bo…
... on: there's one flag byte at the front (to distinguish ... from data) and one checksum byte at the end, so therefore ... a block which is one byte long? The latter case isn ... something which could be loaded back by the ROM tape routines ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... -Drive (aka Genesis) was awesome back in the day. If you ... ... As an example, the first byte of work RAM for the ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... interesting and took me right back to the 1980s. Amazing to ... to jump through back then to save a byte here etc. Mind ... -
Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... before it could send correctly back to the PC UART. The ... site. I will need a back to BASIC option too as ... /> exx
inc hl ; Next BYTE
dec de ; Length -1 ... graphics I was working on back in day before the official ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... interesting and took me right back to the 1980s. Amazing to ... to jump through back then to save a byte here etc. Mind ... -
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 …
... used to program in assembly (back when I could be bothered ... out to be the next Joffa Smith, Jonathan Cauldwell, or Bobs ... -
Whole upper memory lostHi! I own a rubber key Spectrum with 48K RAM. Suddenly it lost it's whole upper memory. All diagnostic programs says that it's 16K model with workin…
... byte values, their inverse etc), and after each poke compare read-back ... , show values written & read-back (and perhaps address location). Binary ... -
Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
... /> SPR_xpos equ 0 ; BYTE
SPR_ypos equ 1 ; BYTE
SPR_def equ ... Key pressed!
ret ; Back to BASIC!
ld (hl),a ; Store back to screen
inc l ... /> djnz line ; DEC B and back to line
stack ...
