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Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…
... card that is capable of outputting a true 50 ... ,100 Hz is an exact multiple of 50.[/quote]
of sync leading to glitches ... do see this type of effect (basically as different ... for different periods)
3) occasional flicker, don't ... -
Best games list - a matter of taste!I always take a look at the best games list, It's really curious that in the list there are always so few spectrum games from 1990 on. Today is a luc…
... game having a "hidden" vote of 3, the average ). All that's ... moment. That's one definition of popular, I suppose.[/QUOTE]
multiple reviews in Cannon Bubble; they ... the sheer number of reviews is something of an indicator of popularity in ... -
Colour clash on the Commode64?Was there any? Every now and again, I see a screen shot like this... [img]http://www.lemon64.com/games/screenshots/full/j/jack_the_nipper_02.gif[/i…
... was 4 t-states instead of 2, or something? I can ... /> Everything runs in an exact multiple of 4 t-states. There's ... . However, there's a whopping 3 state penalty on LDIR as ... -
Colour clash on the Commode64?Was there any? Every now and again, I see a screen shot like this... [img]http://www.lemon64.com/games/screenshots/full/j/jack_the_nipper_02.gif[/i…
... ]Everything runs in an exact multiple of 4 t-states. There's ... . However, there's a whopping 3 state penalty on LDIR as ... -
My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…
... full 8x8 graphic rotated right 3 pixels and how it is ... char sprite that is only 3 pixels wide (and the drawing ... isn't drawn until the 3 pixel wide sprite has been ... coordinate (pixel position is a multiple of 8) then the right blank ... -
A nice FUSE fullscreen hack I useThis might come in useful - a hack-ish script I wrote to get FUSE to open up in 3x mode on my NC10 netbook (screen resolution 1024x600) as the full-s…
... you have a non-4:3 ratio display. The fullscreen mode ... (which on UNIX is a multiple of 240 pixels), so on your ... by allowing an optional clipping of the border area to fit ... -
Why is this not invented yet.I know sky plus can record programs onto a harddrive for later watching, replaying, and slow mo etc. This as I think is correct can record one channe…
... frame rate of the television * the number of chanels permited ... that's the number of picture lines in an ... to multiplex at a multiple of the pixel clock* multiplied ... by the number of channels which will take ... a 4:3 picture so the number of vertical lines ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... : LD L,A ; L a multiple of 32.
L0EA5: LD A ... /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset in streams ... ; switch position between bits 0-3 and bits 4-7
3 and even TC-2048, since ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset in streams ... " (print spaces until reaches column multiple of 16)
; cp 0x06 ; specified ... ; switch position between bits 0-3 and bits 4-7
SuperTape Version 1.2 Scheme ?Hi folks, As mentioned in another thread, I came across a tape (on-line most likely) called SuperTape Version 1.2. I think it might be a multi-plat…
... /> Definitely. Unless you would use 3.5MHz sampling rate for DRB ... or down to the nearest multiple of 79T. For example, this is ... T longer)
PULSE 855 3
[/CODE]
As ... might try to make use of sequence of buffered pulses and associated ...Which Ultimate Play the Game game's do you like (tick the ones you like)After discussing Sabre Wulf in another thread, I thought it would be interesting to see which games of theirs we liked and disliked in proportion to …
... for me!), but the choice of 3 characters meant that you have ... 3 challenges - can't recall many games back then that encouraged multiple ... going through testing a load of tapes on my speccy a ... at least one quick game of each... [B]Atic Atac [/B ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
...
While reading the schematics of this clone, I realized that ... multiplexor at the end of the attribute path. Chris ... position which is not a multiple of 8 pixels. I've ... although the T-state of the writting operation is ... by 1,2, or 3 CPU clocks. The same ...ZX-Paintbrush 2.2.1 releasedDear readers and friends of ZX-Spectrum emulator stuff! Today I released the version 2.2.1 of ZX-Paintbrush with interesting new features and many b…
... How about enabling export of ColorTILE data from Timex mode ... rounded to the nearest size multiple of 16x16), exporting the entire ... machine.
[QUOTE]3) While discussing the zoom level ... picture have a maximum size of (800x8192) x (800x8192) pixels ...Z80 internal compressionThis isn't exactly a ZX Spectrum problem, but since WOS probably has some of the best Z80 coders in the world, I thought I might ask anyway. For my …
... segments was an exact multiple of 4 then the unpack would ... segment and copy 256 bytes of garbage at the end.< ... - but those few lines of BASIC does the same as ... their lengths - 1, 2 or 3 bytes in 4*2 bits ... just hold the plain bytes; 3-byte entries hold a length ...Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…
... don't fit into 0,3->0,4 but 0 ... ,3->0,5; and ... , 19 isn't an integral multiple of 5.
[*]There's ... adjacent bytes; all the rest of the bar remains unchanged. ... ld (23677),bc ;save COORDS of last point plotted
call ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... only true for Spectrum +2A/+3 models. However, if you ... code specific for Spectrum +2A/+3 models, you can usually ... avoid copying blocks of data into contended memory ( ... because 228 is not a multiple of 8, so it takes an ... 4,pc+1:4,hl:3,de:3,de:1,de:1 ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... compromise between speed and size of code.[/QUOTE]
< ... 4096 is not a multiple of 20, otherwise it would ... (except on Spectrum +2A/+3). Moreover, the "rolled loop ... to copy a block of bytes outside contention, use ... scan, and some variant of "rolled loop" [B ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... between speed and size of code [I][U]only ... 4096 is not a multiple of 20, otherwise it would ... memory (except on Spectrum +2A/+3). Moreover, the "rolled loop" ... going to copy a block of bytes outside contention, use ... scan, and some variant of "rolled loop" [B] ...Calculating screen address to alternative ATTR area?I'm using this small snippet of code to convert a screen address to an attribute cell address... [CODE]AttrDE: ld a, d ; get the hig…
... needs to be at a multiple of 4 in the high byte ... , i.e. a multiple of 1024 in total. Though as ... needs to start at a multiple of 256 so that you can ... .
P.S. 'AND 3' doesn't preserve three bits ... represent a number up to 3 (0, 1, 2, or 1 ...Calculating screen address to alternative ATTR area?I'm using this small snippet of code to convert a screen address to an attribute cell address... [CODE]AttrDE: ld a, d ; get the hig…
... high byte with the lower 3 bits reset to 0 then ... needs to be at a multiple of 4 in the high byte ... , i.e. a multiple of 1024 in total.[/QUOTE]
of OR[/QUOTE]
...or ...Emulator for PandoraAny Pandora users here? I want to know how good is ZX Spectrum emulator on it, and how is it compared to emulator on another handhelds like the aweso…
... ]
I have a bunch of computers and displays. If I ... , I use a 50hz, (or multiple of) display / setting, I'm not ... /> Currently, I mostly use a +3 on CRT with Spectranet, which ...IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... due to the higher level of ?cosmic background? at those ... the exposure is probably a multiple of what would be acceptable for ... result, before the first use of the interface, its operating ... wear.
3. Users encountering difficulties in setting ...Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
... steady degradation in the quality of user documentation through time ... br /> ld l,volume*3 ; volume*3 read from sample data< ... subroutine has to be some multiple of the time to output ... generating a set of waves that can include multiple channels, drums ...Full game tapes...I've finally got my +2A setup so if anyone has any full game tapes (not crash or demo tapes etc) they don't want or have 1000 of... please do let me …
... />
Just buy a load of C90s, then wander down to ... having a small(ish) collection of tapes that I'm likely ... a job lot of 3 full boxes containing multiple copies of Make-a-chip ...Text scroller and custom fontYesterday I was testing this text scroll routine taken from Jonathan Cauldwell's Intro Maker (labels have been inserted to allow partial code relocab…
... to put this vertical line of pixels
RLCA
of the font
LD ... of the bottom 3 bits as the font will start on a multiple of ... A,(PUNTO_A) ; this block of code will copy the line ... ; HL now address of the character in the ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... ="Jerri;864120"]here is a 3 phases for screen refreshing
multiple of 8 bits (horizontally). But I ...
