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Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... ; enter : l = 8-bit multiplicand
; e = 8-bit multiplicand
8-bit multiply. Savings is ... 16-bit number by an 8-bit, result ... ;
; enter : e = 8-bit multiplicand
; hl = ... 16-bit by 16-bit multiply into a ... -
ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... in its first version 0.8.
It offers you ... -instruction command line (commands separated by
colon here), and ... has been
developed by testing results of these compilers ... Can be customized or replaced by another ASM file containing labels ... -
Kosmiczne Opowiadania (by Marek Biliński) music video feat. ZX Spectrumpsb in #z80 (Russian channel) pointed me at this wonderful video of Kosmiczne Opowiadania (Space Stories) by Marek Biliński: https://youtu.be/TtnZ…
... of Kosmiczne Opowiadania (Space Stories) by Marek Biliński:
See how many Speccy or 8-bit gaming references you can ... -
Alien 8... what does its name mean?So, all of you know Alien 8, the game. Quite a few people in Spain seem to think that Alien 8 is called the way it's called because of the movie Alie…
... , all of you know Alien 8, the game. Quite a few ... seem to think that Alien 8 is called the way it ... the game wasn't created by Spanish speaking people and the ... because the robot is number 8 of a series of robots ... -
Time Search by Millenium SoftwareTime Seach is an adventure set in the villages around Hereford, stretching west to Hay-on-Wye and east to Ledbury. It was written by Kevin Cook / Mil…
... to Ledbury. It was written by Kevin Cook / Millenium Software (who ... ://www.facebook.com/groups/EightBitAdventures/"]8-Bit Text Adventure Facebook group ... -
Fuse for macOS 1.3.8 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …
... requires Mac OS X 10.8+
Emulation core improvements ... 't use MDR random length by default (Fredrick Meunier).
[*] Also ... -
8-Bit Guy backlashSo there's this fairly well-known channel called "The 8-Bit Guy" on YouTube. While I'm not subscribed to him (hell, 99% of the time I'm using YouTube…
... well-known channel called "The 8-Bit Guy" on YouTube. While ... to end up with something by Commodore, Atari or Amstrad.
Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... /> The plot:
-Brain 8 wants to dance, but 7 ... .
-The shield prevents Brain 8 to collect chips, and protects ... leave the main area Brain 8 must jump into a moving ... is approaching you!
By the way, for sure you ...esxDOS v0.8.7 releasedesxDOS v0.8.7 has been officially released. Grab it at http://www.esxdos.org/files/esxdos087.zip. This version has the following (notable) new fea…
esxDOS v0.8.7 has been ... bug (introduced in v0.8.6) when creating directory ... on DivMMC (lordcoxis + reported by Ben Versteeg)
[19 ... utime() syscall (lordcoxis + requested by Pavel Vymetalek)
[17/03 ... been updated from the 0.8.6 release. See [ ...ZEsarUX 8.0 stableHi! I've uploaded a new FINAL stable ZEsarUX version, 8.0 :) You can download it, as always, from the url: https://github.com/chernandezba/z…
... new FINAL stable ZEsarUX version, 8.0 :)
... is:
Version 8.0. 19 July 2019 - ... view which pixels are used by a layer
Improved ... menu char width less than 8
Fixed bug ... when char width less than 8
Fixed zxvision left ...Elusive Strategy Games done by the Smaller or less Prolific Software Houses.Most ZX Sinclair Spectrum War/Strategy games were produced by CCS , PSS or Lothlorien . I am trying to get a list of all the other ones. This is what…
... War/Strategy games were produced by CCS , PSS or Lothlorien . I ... ) Superpower (Howard Marketing) 1984
8) Video Salesman (Virgin) 1983
ZEsarUX Beta 8.1Hi! I have uploaded a new ZEsarUX 8.1 BETA version. You can download compiled versions for Windows, Mac, and the source code from: https://gith…
... have uploaded a new ZEsarUX 8.1 BETA version. You can ... .com/chernandezba/zesarux/releases/tag/8.1-07112019
... tape loading: acceleration is disabled by default, added setting to save ... /7 when paging was disabled by bit DI7FFD
Fixed ...ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…
... 've uploaded a new ZEsarUX 8.1 stable version.
... .com/chernandezba/zesarux/releases/tag/8.1
I ... is:
Version 8.1 - The Great Escape edition ... distribution.
-enable real video by default
-added zsf snapshot ...esxDOS v0.8.8 releasedFrom: http://board.esxdos.org/viewtopic.php?id=679 [quote] lordcoxis: esxDOS v0.8.8 has been officially released. Grab it at http://www.esxdos.o…
... lordcoxis:
esxDOS v0.8.8 has been officially released. Grab ... /> Parity check is disabled by default when loading .TAPs
8.7 (lordcoxis + reported by nagydani)
... silencer routine (lordcoxis + reported by LMN128 & SCjoe)
esxDOS v0.8.9 has been officially releasedhttp://board.esxdos.org/viewtopic.php?pid=2025#p2025 [quote]lordcoxis Today 12:35:17 esxDOS v0.8.9 has been officially released. Grab it at http:…
...
esxDOS v0.8.9 has been officially ... extending directories (lordcoxis + reported by SCjoe)
[09/ ... Heritage" game (lordcoxis + reported by Alcoholics Anonymous)
[18/03 ... Spectrofon" diskmag (lordcoxis + reported by Nihirash)
[19/03/2021 ...Remainder (Mod) calculationsI've been figuring out how to calculate remainders after integer division by a constant divisor k (A mod k = A % k). I found that for most small di…
... remainders after integer division by a constant divisor k ... ended up coding unsigned 8-bit routines for all ... be faster: E.g. multiply back k and subtract ... ):
[code]8-bit remainder after division by k (A mod ... found in 14 bytes, by overwriting C or using ...8-bit webcam & Speccy imagesI want to present you my small pet-project, made for the soul and for practicing some modern web technologies. The project is called "8-bit Camera…
...
The project is called "8-bit Camera" and allows you ... features currently implemented:
- Ten 8-bit filters that can be ... photos and videos for processing by filters in the "Upload ... control video playback by clicking on it or by pressing the space ...Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…
... swap 2 words pointed at by DE and HL, if those ... both even) can save 8 T-States by changing the inc hl ...
heapify_words:
; multiply root, elt count by 2
sla b ... , n, i);
// One by one extract an element
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
...
0014 CB77 8 Next1 BIT 6,A
0028 CB6F 8 Next2 BIT 5,A
Multiply that by 4 for the 4 parts ...Programming Sound EffectsHi guys, Have decided, probably due in some way to my midlife crisis, to tart up and re-release (or even just re-lease) the old 48K Speccy games I w…
... have an 8-bit pcm sample, you can multiply each sample by 90 ... /> Real world sounds are carried by variations in air pressure. A ... digital form conducive to handling by computers, you need to do ... /> The amount of memory taken by the sample increases as sample ...Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... easily without LN:
PRINT 8^(1/3)
[/QUOTE]
PRINT EXP (1/3* LN 8 )
(see the disassembly of ... antilog.
to power - multiply the log by power and look up ... /> The ZX80 calculates integer powers by performing the multiplication that many ...The ZX Spectrum Book of MapsFollowing some discussion in a maps thread, I have decided to make THE ZX SPECTRUM BOOK OF MAPS - VOLUME ONE At the moment, I have the following in…
... is 8.3" x 11.7" (210mm x 297mm). Multiply that by your ...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 …
... also handy as extra 8-bit registers by making use of ... instructions referring to the usual 8-bit registers, their usage ... view=markup"]long multiply[/URL] routine is simplified by being able to ... very much determined by how the long multiply routine works, and ...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…
... , "bmp", consists of 8 bits which I'll refer ... of the number. Multiplication by four is the same ... "76543210" and I multiply "bmp" by two, it will now ... that can only hold 8 bits so left shifting ... result left two bit positions by multiplying by 4 ("res *= 4 ...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…
... ) x 9 column (0..8 ) array of plots (let ... owns.
8. Random events can change plot ... Individual land plots are defined by a plot structure (found in ... for example, how to multiply two "struct plot"s together ... range from 0 goods to 8. "temp" is only ...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…
... there is only one multiply operation (aside from the ... and vertically but separated by one plot from ... /> if (col != 8)
(f)(p - 8); // visit up-right< ... (col)
(f)(p + 8); // visit down-left
...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…
... // column mtn is in (0-8)
uchar type; // MTN_*
multiply the row by 4 to get the ... u_imax( u_imin(epc + u_binomial(g_level), 8), 0 );
}
[/code]< ... 0 and a maximum of 8 -- see if you can ...Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…
... Atari?[/quote]
The Atari 8 bits run at ~1.79MHz ... per operation. A floating point multiply with 24 mantissa bits would ... impact of buss contention introduced by using hi-res graphics but ... RAM refresh is accomplished just by updating the video (very clever ...Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…
... comparison with the other 8-bits probably specifically for ... put something out. Most 8-bit basics are Microsoft derived ... RAM when it becomes cluttered by variable definitions and redefinitions. ... squaring, sqrt and floating point multiply/divide, as you can ...IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …
... />
Backgammon by Psion appears to run but ... E
LD (reloc2+8),HL
CALL printhex ... DEC BC ;decrease by 5 = space taken by FP value
multiply existing value in DE by 10
by BASIC decoder
reloc3:< ...
