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Diminishing MircodrivesHi All Got my first ever set of MD carts today and have been fiddling around - I have what seems to be 9 blanks and the Demo cart. The demo cart loa…
... each format the number of bytes free falls off rapidly, ie ... idea why its eating my bytes - is it merely Anno Domini ... -
My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... ld bc,32 ;number of bytes per line
ldir ;draw ... IncY:
inc d ;256 bytes below (next line for this ... ld bc,768 ;Num of bytes
ld hl,ATTRIBUTES
Possible to repair newly recorded tzxs?Ive been trying various volume levels to get this error out of an old YS tape: [PHP]-=[ MakeTZX v2.34-B1 ]=- (C) 1998-2003 RAMSOFT ZX Spectrum demog…
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Block 1 => Bytes: Level1 - Header: Length= 17, ... br /> Block 3 => Bytes: Level2 - Header: Length= 17 ... br /> Block 5 => Bytes: Level3 - Header: Length= 17 ... br /> Block 7 => Bytes: Level4 - Header: Length= 17 ...Scr to vectorBack in 1989 I saw 2 m.c. routines that impressed me. One could convert a certain area of the screen (up to 6144 bytes) to vector images. And the sec…
... the screen (up to 6144 bytes) to vector images. And the ...Binary file cutterDoes anybody know of a command-line utility which will extract a section of binary from one file, and save it in another? For example... xxx file1.…
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...would extract 200 bytes starting from the 100th in ...Converting m$ to dataI created a maze using a matrix of 704 characters. In order to save memory, and since the maze it's just walls and spaces which could be interpreted …
... the whole maze in 88 bytes, and print the maze by ...Bobby Bearing -- alternate/earlier version?I'm starting to wonder whether a slightly different version of Bobby Bearing was ever released -- a first version, with all the other available ones …
... the loader to be $4CA bytes but it's actually $4C1 ... them has a loader $4C1 bytes long so I reckon there ...Q. on loading screens with "cracked by..." on them.1. I have noticed a few loading screens on WoS with "Cracked by so-and-so" ... is that kosher or is it a slap in the face of the original authors? E…
... [/URL] has "CRACKED BY LOVE BYTES" written on the loading screen ...Linux/ubuntuEvery couple of years I try linux on for size. This time - ubuntu 7.04 Downloded the iso, burned it to disk, slipped it into the PC I'd lined up - …
... couple of lines of random bytes across the middle of the ...Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... . If I have some hundred bytes of machine code started with ...Tommy GunHi, Got a few suggestions etc. for Tommy Gun. Well done Kiwi et. al. for a fantastic application. I would like to add the following suggestions: …
... being stored as two hex bytes rather than the format you ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... drawn in a buffer (72 bytes for 9 UDGs per plot ...How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…
... the whole screen
(13 bytes). I also found a routine ... of where to start (30 bytes).
However, this machine code ...A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…
... 'bc' sets the amount of bytes to be copied. Is this ...AY-3-8910 info wanted..Hi folks, The .AY sound files what's the format details? I know that the are just the OUT's, followed by the data. But the the first few bytes hav…
... . But the the first few bytes have the track named, and ...Does anyone have Descent 2Whenever I try to install the (DOS) game Descent 2, I get errors, as the (ancient) CD is scratched. So I'm hoping that if someone has the game, they …
RrcaI'm having trouble finding an exact explanation to how all the z80 instructions work, but I get by ok on most of them. I'm sure I've been given link…
... it's probably only 768 bytes long, although it could be ...Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
... : if you will read 512 bytes sector from IDE device to ... /> Example of slow read 256 bytes:
LD C,ide_dataport
New assember ideaAs i work with Eclipse IDE in my job i become more and more lazy. This leads me to idea that it is time to left Notepad+Tasm combo behind and move on…
... on label
5] count bytes and T-states for selected ...One Liner - Machine CodeHi Dr. BEEP, Digital Prawn, et. al., I think that what you guys have achieved with the one liner contest is absolutely amazing. It brought about wh…
... "loader" and "runner" which loads bytes into memory and then runs ... code program (up to 289 bytes of machine code).
3) the "length" (in bytes) of the machine code program ...The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... (for buffers smaller than 256 bytes) since OTIR/INIR take the ...Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... the ULA replacement fetches the bytes without any memory contention would ...New compression method: Exomizer 2After I finished working on optimizing aPLib's decoder, I was told that pucrunch did compress better, and while looking for info about pucrunch (it t…
... sizes are between 169-190 bytes, and they also need space ... generate a table of 156 bytes, but that table can be ...DEF FN DirectivesI am looking at using some machine code functions from the DK Graphics Pack. They are machine code but they are called via Basic with the function de…
... from machine code? Do the bytes following the CALL nn function ...It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... .e. decode CALL plus two bytes). This is more complex, but ...Playability and Technical ExpertiseWhat Spectrum games were both very playable and fun yet pushed the Spectrum to its limits graphically and/or sonically. I know many of the highly po…
... 's best bang for its bytes?
What would you ...
