-
divIDE issuesI discovered a few issues with the divIDE hardware and FATware software that may be of interest to some people. 1. ROM paging If your Spectrum is a…
... very fast) or using some streaming-friendly compression (with exact block lengths ... stated before actual packed/unpacked block so that loader doesn't ... to "remember" previous bytes and copy them one-by-one like ... -
The Key - version 5I used to use this to copy games (back up my own tapes, naturally!) when I first got my Spectrum in '83. Latterly used v7 which is in the archive, bu…
... copy protections from programs ?
Thought it was just a block ... Version 5 couldn't even copy headerless files. Version 7 ... I have did not copy headless files nor could ... it copy most files that merged ... 80's Soul, 80's Pop, Kung Fu Crisps, Marvel ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... ld (renderpage),a
pop af
ret
pop de
pop bc
ret ... block
dblock:
di
push ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... too much. Open up your copy to follow along.
copy+paste I did to get ... animation graphic. "an_rate" controls how fast the pacman munches (and how ... loop.
The next block of code declares rectangles that ... -
In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…
... % + col1%
push de
ld hl ... hl),a
pop de
... />
sort2: pop de
sort3: inc ... .org $c300
ArrayAddress: .block 256
Hope it ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... for experimentalists who managed to push the display resolution from the ... . They barely update the screen fast enough to fit between refreshes ... make it appear rather than copy the entire thing like many ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... TK-95 even implemented a fast mode so it would be ... /> Or that you could just copy tapes from all your buds ... />
.org $c300
ArrayAddress: .block 256
--------------------------------
Notice ... -
Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... />
[code]
1 REM fast
10 BORDER 0: PAPER ... ]
It will just copy and paste directly to BASin ... the font as a huge block of 96 graphics, and use ... -
Xenon TriOxide (Xeo3)I just wanted you all to know that a new cross platform game has started development (well the +4 version has been around a while, but my colleague f…
... algorhythm. every 8x8 block has a empty/used ...
[code]
push hl ; 64009
ld ... /> djnz l_fa0c ; 64015
pop hl ; 64017
ret ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... hl
push hl
rst #10
pop hl
jp ... stack, you might have to copy part of it to the ... -
NEW games for you chaps (and girls too) ;-)Okie, did some .TAP versions of NEW original games that were only released on TRDOS disk format. Some of you might have seen some (one or two are eve…
... . I decided against doing any block loading from basic because it ... ) I do :
PUSH HL
POP IX ; load address is ... $556 ; load in the headerless block
Thats why SEC2TAP ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... possible directions, to be as fast as possible. The back buffer ... attr byte for each used block. Room definitions just picked a ... display data. They kept a copy of the empty room, and ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... possible directions, to be as fast as possible. The back buffer ... attr byte for each used block. Room definitions just picked a ... display data. They kept a copy of the empty room, and ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... possible directions, to be as fast as possible. The back buffer ... attr byte for each used block. Room definitions just picked a ... display data. They kept a copy of the empty room, and ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... possible directions, to be as fast as possible. The back buffer ... attr byte for each used block. Room definitions just picked a ... display data. They kept a copy of the empty room, and ... -
SpeedloadersWhen was the first time they came out and who invented them. What was the general speccy user's and media reaction to them? Would be nice to have a …
... loaders (so you could copy the turbo saved programs too ... :
48k: BS COPY 48F/2
128k: BS ... COPY 128#
Source ... - notice how the last block is loaded... loading speed is ... but you will see how fast the screen is loaded ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... possible directions, to be as fast as possible. The back buffer ... attr byte for each used block. Room definitions just picked a ... display data. They kept a copy of the empty room, and ... -
Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…
...
rr h ;char 8x8 block. This trick taken
rr ... a
srl a
push af
sla a ;account ... byte aligned scrn address
pop af
sla a ;find ... -
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…
... /> .loop
pop hl
add hl,de
push hl
inc hl
pop de
push hl
ex de ... errors occurred during assembly
copy c:\z88dk\lib\spec_crt0.opt ... ~1\Temp\s3g_1.opt
copy C:\DOCUME~1\ADRIAA~1 ... -
a free firewallIs there a good free firewall programme anyone can recommend
... ]
Or stick a copy of [url=http://www.smoothwall ... above (and HW routers), only block incoming traffic. Anything can send ... /> 3rd party Windows FWs also block outbound traffic (on a file ... br />
The messages that pop up when using SW firewalls ... -
MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]
... do a lot of vanilla block copies, replacing the cpu's ... a dma operation. And those block copies would have to be ... no faster than a cpu copy. I think there is only ... on its own is not fast enough to move data from ... -
MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]
... DMA takes care about full block transfer and CPU waits ... do a lot of vanilla block copies, replacing the cpu ... dma operation. And those block copies would have to be ... no faster than a cpu copy. [/quote]Would you say ... on its own is not fast enough to move data ... -
Vector drawing routines.Anybody could point me to some sort of vector drawing package of routines, callable from BASIC? With "vector drawing" I mean to draw 2D pictures with…
...
.up
push hl ; save screen address
push bc
call fill
pop bc
.offscreen2
pop ... z, offscreen3
push bc ; save current pixel ... /> This one is really fast. It doesn't rearrange ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... . Most logic families are well fast enough to decode this and ... address in the 256-byte block from $3D00-$3DFF.)
copy program into RAM, call it ... -
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…
... /or vertically. There's a fast function in SP1 that will ... done, copy and paste the data outside the resource block where the ... desired and erase the resource block when the project is ready ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
[quote=bigjon;250417]Don't we need both to copy a byte, hence 21 cycles per byte not 10.5?[/quote]
Yes, but you are copying 2 bytes with one pair of instruction POP/PUSH, thus 21/2 = 10.5 -
A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
... parameters
- For Fixed Point (Fast but imprecise decimals): 16.16 ... info within the free-block itself. They're fast and easy for ... IX (this is a very fast POP) or not, depending on the ... -
Kobrahsoft.kobrahsoft
... . Sc6c I believe is for fast loaders. SD1 old and new ... , it doesn't allow any copy to be made ( Firebird bleep ... those with a single fast loading code block. There is lots more ... -
Kobrahsoft.kobrahsoft
... . Sc6c I believe is for fast loaders. SD1 old and new ... , it doesn't allow any copy to be made ( Firebird bleep ... those with a single fast loading code block. There is lots more ... hold of a microdrive cartridge copy of SD5 a long time ... -
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... />
6502 assembler is very fast even under the "twenty commodes ... one would probably run too fast on a faster VIC emulator ... a character set in RAM. Block copying in 6502.
< ... />
BNE PAGECOPY
;Copy my SPRITES into the character ...
