-
Bit of fun - one change onlyI also posted this on another marque's forum (for their products) to see. Its just a bit of fun really. OK, if you could of made one change to a S…
... the allocated 32k bytes of ROM space), and were still having ... be shoehorned into the two custom ULA chips, so a microcontroller ... -
Bit of fun - one change onlyI also posted this on another marque's forum (for their products) to see. Its just a bit of fun really. OK, if you could of made one change to a S…
... memory, be it RAM or ROM is relatively simple. As it ... stands, the ULA controls the ROM and lower RAM area, but ... and 6) boards, a second custom chip (ULA) could have been ... to either switch out the ROM and put RAM in it ... -
AugmentinelEnhanced Spectrum emulation isn't a new concept. Spec256 adds 8bpp graphics to some Spectrum titles. TileMap uses code hooks to synchronise game stat…
... most custom loaders it's based off the Spectrum ROM tape loader ... -
TZX/Taper headachesI've been doing a stocktake of all my Spectrum stuff, most of which I bought in a job lot a few years back, and there's a whole load of covertapes in…
... shows first of all a "custom data" block with Flag value ... usual direct calls to the ROM loading routine for headerless blocks ... -
Sinclair User issue 127: Great Eight 16 - what happened?I've been trying to make sure I have an as-near-to-complete-as-possible collection of Crash, Sinclair User and Your Sinclair covertapes (at least as …
... files - they use the standard ROM loader on the tape so ... completely flummoxed by this bizarre custom loader. There's only one ... -
im looking for a poke or a routine that changes the cursor editor for the 48kive had a look at a few cursor routines and pokes published here in the forum but they dont seem to work. it says you can change the color of the fla…
... is this possible, not using rom writes?[/quote]
If ... ) an adventure game, then a custom input routine can do almost ... -
Someone knows the size limit of TAP files , TZX on emulators and real spectrum for saving blocks ?Hi Someone knows the size limit of TAP files , TZX on emulators and real spectrum for saving blocks ? The limit is the number of blocks or si…
... asking, but using the standard ROM routines, you can save blocks ... . If you write your own custom loader, the sky’s the ... -
Loading Schemes > 1-bit per 2 edgesHi Guys, I'm just having another look at loading schemes again (a subject that interests me). Does anyone know if there any loading schemes t…
... duplicated junk, such as the ROM area, the screen and so ... wait :) ).
If a custom loader is part of a ... see the revival of the 'custom loader culture' some day. Getting ... -
Getting Better at TZXThere are possibly fewer "rules" in chit chat so I thought I would put this here. it is a couple of years since I attempted doing any TZX files so…
... standard ROM loader though. If you wish to record a custom loader ... -
Cabal 48k TAPHi All, I really want a game of Cabal on my 48k+ using my SD reader. But unfortunately the version on WOS doesn't seem to work on my setup at leas…
... as "custom data" and won't load with the standard ROM routines ... -
Cabal 48k TAPHi All, I really want a game of Cabal on my 48k+ using my SD reader. But unfortunately the version on WOS doesn't seem to work on my setup at leas…
... as "custom data" and won't load with the standard ROM routines ... -
A couple of random questions......because, why not? (1) USR0 mode on the +3/+2A/B I know of its existence, I know how it's used, and I have some games that require it to work o…
... with custom loaders to a TAP version with the standard ROM loader ... -
If Sinclair computers had not been sold...I was just having a random thought. If Sinclair Computers (or the rights to them, not sure how it 'worked' back then) had not been sold to Amstrad…
... up the later 16/48 ROM with say the NMI and ... then the +2A / +2B. The custom gate array appears to have ... -
If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... /> If you just added the ROM and disk interface and stuck ... come up with, but writing custom firmware and software to run ... -
Repairs and Reparing.Hi All, Just finished resurrecting an Issue 3A board. Had black lines, so replaced the lower 16K RAM chips, Amazed they just cost a couple of doll…
... />
The ULA, Z80A, Mask ROM, and the LM1889 colour encoder ... +2 (grey) machines, the second custom chip, the multiplexer (ZX8401 / PCF1306P ... -
128K refurb.... What is the best way?Here's the latest Spectrum I got... Finally got a Toastrack... Not sure if it was good value ( around US$100 ). [img]https://os.blackice.com.au/us…
... .uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum ... Retroleum[/url] ;)
The custom multiplexer chip (IC27) can also ... -
Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... that hard, but requires fast ROM and fast RAM
> ... .
>Mapping - if using custom logic chip, no problem.
ROM space.
[b ... -
Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... that hard, but requires fast ROM and fast RAM
> ... .
>Mapping - if using custom logic chip, no problem.
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... at times. There's a custom character set courtesy of Damien ... fits well), rather than the ROM font turned bold. The guards ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
...
setchan equ 0x1601 ; ROM openchannel routine
ld hl ... /> ; bit_7 PAPER 9
;rom routines , not used
;plot ... ,4,paper,2,"Text" ;my custom string
defm at,3 ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ,4,paper,2,"Text" ;my custom string
defm at,3 ... ;) I don't use the ROM routines to print text anyway ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... with UDGs and using the ROM routines though.
[/quote]
custom graphics technique to work.
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
...
setchan equ 0x1601 ; ROM openchannel routine
ld hl ...
ld hl,str3 ;my custom string
call fetchan
; bit_7 PAPER 9
;rom routines , not used
;plot ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
...
setchan equ 0x1601 ; ROM openchannel routine
ld hl ...
ld hl,str3 ;my custom string
call fetchan
; bit_7 PAPER 9
;rom routines , not used
;plot ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... br />
setchan equ 0x1601 ; ROM openchannel routine
ld hl ... /> ; bit_7 PAPER 9
;rom routines , not used
;plot ... ,2,"Text", 144, 145 ;my custom string
defm at,3 ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... symbol in the ROM font but is ` in my custom font.
ROM font)
BRK EQU #18 ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... +I: CHR127 (backtick with custom font, (C) with ROM font
SymShift ... #7F ; backtick (or (C) with ROM font)
MACRO LD_SCROLL_SRC_DEST ...Favourite turbo loaders?Hey, guys. Title says it all. Which were your favourite turbo loaders/fast loaders/protection schemes, whatever you want to call them? I have a so…
... from there).
2.- A custom loader using zx7. The best ... (Microhobby)[/url] or any other custom routine. They allows you to ... it didn't need that custom hardware.
6.- Alkatraz.
ROM routines and load only the ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... few tweaks in the main ROM), and will continue to do ... mining instead of my preferred custom skin, but it's a ...Max RAM for ZX Spectrum gamesHow much RAM can be used for single level/whole game? On tape writing.
... to use BASIC or the ROM routines for anything in your ... to not have your own custom loader that would then have ...
