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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…
... changed the sense of the compare so that I can get ... a fast byte copy (for copying a back buffer to the main ... (for zeroing the back buffer to either 0 or some ... possible to do the byte copy at a speed of ... buffer with a static background (not the same as a copy ... -
Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... 1 8k sprite in that buffer at a time. So ... two things:
1. Copy the sprite into that area ... each, I'd first copy them all into that area ... />
I'd need to compare that with a straight memcpy ... to keep in that 8k buffer the backdrop tiles, and then ... -
Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... /> mov eax,[ebp+RECT_x] ; Copy cords
mov ebx,[ebp ... br />
; ***DIRECT FRAME BUFFER ACCESS***
; Software ... br />
fld1 ; Compare >= 1
fcomip st0 ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... ;driver plays sounds from circular buffer (32 positions)
; ... each played sound
;buffer keeps priority and sound id ... put it into circular buffer at current position
compare priority
jr nc, add_beep1
ldi ;copy priority ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... there's a single copy of the decompressor at ... to test it once (compare the uncompressed result with ... will need a single copy of the ZX7 decompressor ... decompressed to the same buffer address (which would be ... ZX7 decompressor, and the buffer address. Then it will ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... br /> e_to_fp:
rlca ; copy bit
rrca ; 7 to ... /> pf_save:
push de ; copy
exx ; DE
...
ld a, 4 ; compare four
cp (iy + ... (hl) ; get digit from buffer
inc hl ; next digit ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> ; -----------------------------------------------------------------------------
; THE 'SCROLL BUFFER' SUBROUTINE
org 0x2571
xor (hl) ; compare with character byte
jr ... line
ldir ; copy it
ex de, ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... is 16383
or a ; compare
sbc hl, de ; ... /> ld de, mem_2_4 ; temporary buffer
push hl ; stack line ... number
ldir ; copy new line number into place ... ; five bytes
ldir ; copy them
ex de, hl ... -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... the split powerup. However the buffer for the centre of the ... year, I couldn't not compare the two really.
copy of Arkanoid on the Magnificent ... -
How to copy file from tape (*.tap) to disks (*.dsk) ?I am using zx32 with win98 and i want (in the emulate +3) copy files from virtual tapes to virtual disks. I use => load "NameOfFile" (for copy the f…
... want (in the emulate +3) copy files from virtual tapes to ... use => load "NameOfFile" (for copy the file in the zx ... do it ?
I want copy files on disk for faster ... , it is very easy to copy c64 tapes programs from tapes ... -
The LIBELOUS copy of 'crash' ? that mag that was pulled that libeled the BBC chiefI will pay 15 for a copy any one got it?
I will pay 15 for a copy any one got it? -
Where can I get a working copy of Chuckie Egg 2 ?I downloaded Chuckie Egg 2 from this site, but it doesn't work! Every time I load it up using ZX32, it resets the speccy emulator. Does anybody know…
... where I can get a copy that works or can anybody ... please email me a copy? I'd REALLY love to ... -
MakeTZX DMA Buffer Overrun ?Okay folks, Does anyone know why I get DMA Buffer Overruns when using MakeTZX. Could it be anything to do with my SB Enironment string or anything …
... know why I get DMA Buffer Overruns when using MakeTZX. Could ... it possible to change the buffer at all ?
Just ... -
Game Copy HelpHiya Is there an easy way to copy a game to a +3 disc? my multiface 3 has gone all screwy on me! The way I had been doing it was loading the TAP on…
... there an easy way to copy a game to a +3 ... -
On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…
... ....
How can I copy 4k from Backbuffer to Screen ... point, I basically want to copy back to front screen with ... (at 8000h) is ready to copy, I want to
a) Copy 4096 bytes from 8000h to ... -
Announce: EmuZWin 2.5 Release 2.2 Post-FinalEmuZWin Version 2.5 Release 2.2 post-FINAL (16-Oct-2004): [-] A small pause added between TAP blocks while loading tape from .TAP image (otherwise s…
... image (otherwise some tape-disk copy progs could not work properly ... games (with GFX Screen XOR buffer turned on, actually seems not ... -
how copy snapshoot image in +3 diskHello I have a lot snapshoots, full of games, applications for spectrum, in my Macintosh Computer. I have also a +3 Spectrum. My question is, how co…
... Spectrum. My question is, how copy the snapshoots images the Mac ... to Spectrum +3 and how copy the snapshoots images in +3 ... -
Return of Speccy screen buffer formatI recently discovered that the Spectrum screen buffer format that allows only two colours in an 8x8 pixel block has made its return in a slightly dif…
... discovered that the Spectrum screen buffer format that allows only two ... -
Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…
... fastest code (4433 TStates to copy from screen to store)
call drawblock
; Copy 4x32 (128) to store
ldir
; Copy from store to the screen ... -
Anyone know how you copy a microdrive cartridgeThis may seem a dumb question but does anyone know how you copy the contents of a microdrive cartridge onto another microdrive cartridge to make a ba…
... does anyone know how you copy the contents of a microdrive ... -
Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... 50549 at all.
Buffer overflow maybe? The code doesn ... double post as its a copy of one thats in the ... -
The Prayer of the Warrior - where's the ending gone?I've just watched the [url="http://www.rzxarchive.co.uk/games.aspx?letter=p#prayerwarrior"]RZX[/url] of this game. At the end of part 1, a password i…
... anybody here have an original copy of the game to compare? -
Do you use version control software?Hi, I wonder what, if any, version control people use in their development. I use PVCS 8 at work but get a little disgruntled at the cost, the RAM …
... it).
c. Make a copy of the entire build snapshot ... then work on the copy.
d. When we've ... Beyond Compare to check which files we've changed in our copy ... you're working on a copy. In a small team in ... -
Most accurate conversion?There have been lots of threads about the "best" conversion to the Speccy, but which is the most accurate? Not necessarily in terms of graphics, as t…
... , rather than being an accurate copy.
Ghosts and Goblins ... experience of the orginal to compare.
Ivan Stewart's ... -
Well I'm excited, but I guess you might not beHehe this is as far as I got today, a silly little border program: [PHP] ORG 32768 PROGGY: LD C,255 ; We loo…
... register A
CP 16 ; Compare to 16
JR NZ ... it
LD C,A ; Copy it back
CP 1 ... -
SpecDB spectrum database programHi all, Many many moons since I wrote my last message on this forum, I even forgot my password and lost my registered mail account so I had to create…
... />
Also needed something to compare files to see if they ... , Gremlin re-release and hacked copy that lies on different tzx ... -
Anybody know what program can:Does anybody know of a PC program (or a "set") that can scan through a BASIC program, and replace "D*, D1 or D2" with two spaces. Then, save that sc…
... characters with spaces. I then compare filenames, as tape IS case ... . Then I load Transit and copy the BASIC, screen and main ...
