-
Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…
... too much. This still doesn't answer the question of why ... (64+192+56)*224=69888 T states long and as you say ... -
Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…
... (64+192+56)*224=69888 T states long and as you say ... -
data waiting (if indeed that is the name)I've been taking a look at the Spectrum ROM Disassembly by Drs. Logan and O'Hara but admittedly I still need do my bit of assembly study before I can…
... code. The occasional change in border colour you get while waiting ... ""
and you don't start the tape.
Border remains unchanged! -
ZX81 tape formatIs there a description of it somewhere? The TZX format doesn't give it but can it be worked out from what it says about block 19? There is a good d…
... (each pulse is
~ 637 T-States long). After each series of ... -
Why did the QL fail?Browsing some old magazines: an advert appeared for the QL, 128k of ram and 32 bit processor etc...also very cheap compared to other similar spec com…
... 3 M-cycles and 11 T-states, but ADD A, B takes ... 1 M-cycle and 4 T-states.
The 68008 is ... -
TAP filesI'm trying to figure out how to make TAP files and am none the wiser. Tried downloading Taper, got it working but it was one of the unfathomables. I …
... take the same number of T-states as the equivalent 8-bit ... -
TAP filesI'm trying to figure out how to make TAP files and am none the wiser. Tried downloading Taper, got it working but it was one of the unfathomables. I …
... take the same number of T-states as the equivalent 8-bit ... about this ;) and I can't find a better place to ... /64 bit machines, they aren't certainly defined as 64 bit ... rules over it and doesn't let it go much further ... -
Clearing the Carry flagI'm reading that sometimes I may want to clear the carry before using ADC or SBC. A simple AND A or OR B will do. However, as I see it, for 8-bit ar…
... of two, and in four T-states instead of 7. So even ... in code where performance isn't all that important, you see ... -
CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …
... to CSSCGC which just wastes T-states).
I still want ... the BBC emulator. I won't release it for CSSCGC 2009 ... - as I don't intend it to be crap ... -
Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
I'd change this though:
[quote]
push hl
pop bc
[/quote]
to this:
[quote]
ld b, h
ld c, l
[/quote]
The former takes 22 T-states, the latter only 8. -
MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…
... to interleave the displayed screens per line. You will significantly reduce optical ... interrupt:
line 1 - vram 1
line 2 - vram 2 ...
line 3 - vram 1 ... -
MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…
[quote=aowen;332032]I think I see what you mean, although there's no need to switch vram per line, as I'm using the hi-colour mode (8x1 attribute) [/quote]
Ok, I thought you are using hi-res mode. With 8x1 you only need to re-order the screens. -
MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…
... ;333876]This way, you don't even need to write to ... 224 (or is it 228?) t-states. [/quote]
Yup, that ... -
DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…
... only ever active for 3 T-states at a time and those ... -
Interrupts - been a while !Not sure if this is the right place for this (1st post on WOS, but been a speccy user since Dec'84 :-o (yes I am that old ! :p) ), But I can't for …
... " instantly, when testing it! Saving T-states!
Oh, hell! I ... />
EDIT - my fingers don't work too good anymore! -
AY tracker routineHi. Yesterday i played with some ay tracks and was surprised how big are tracker routines and music data (over 1.5KB for Pro Tracker routine and 4-6 …
... memory footprint and T-states taken ? Somehow i can't believe that all ... which takes more than 15000 T every interrupt (i estimate that ... Pro Tracker takes about 20000 T).[/QUOTE]
I'd ... -
TIMEX Sinclair 2068 => ZX Spectrum/Timex2048?Hello. I have opportunity to buy Timex Sinclair 2068. According to www sites dedicated to Timex machines, TS 2068 can handle only 7% (!) of Spe…
... . Also the TC2048 still won't let you
>load ... that ZX emulator cart doesn't fit to TS (it's ... ;(60hz instead of 50hz, different T-states, no floating bus on port ... -
New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…
... by an exact number of T-states. It may give you better ... measured in milliseconds. I don't think these were available in ... -
New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…
... by an exact number of T-states. It may give you ... in milliseconds. I don't think these were available in ... the problem, but I couldn't manage to do so. < ... problem is that I didn't have an internet connection ... I was doing, but didn't work:
[code ... -
post your preferred 'up-down-left-right-fire' keys redefinefor me, and for some reason it was Emlyn hughes back in the day that got me attatched to this, from then on and to this day I will always redefine my…
...
so Ultimate didn't set a standard there (scans ... we are talking a few T-States here! And not all Ultimate ... -
PZX file support for ZX-BlockeditorDear readers, I'm working on the PZX format support for ZX-Blockeditor, as I discovered the advantage of having such a nice file format. It has a cl…
... the range of 0..FFFFh (T-States), but the CSW and PZX ... the reasons why I didn't write the pzx2tzx in the ... -
You bunch of complete wossersive been thinking of some of the "characters" that have come and gone on here since ive been here, but tbh my minds a bit meh. so post your fave wo…
[QUOTE=ajmoss;348065]Provoke me enough, and I'll explain [i]precisely[/i] why, down to the [b]nearest fucking T-state.[/b][/QUOTE]
The Speccy had procreational T-states??? (... or just you?) -
Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …
... a text file (one string per line, no line length limit) which generates ... -
Program Counter question - please readSorry if this is in the wrong forum, but please read it through anyway - see on the FUSE PSP emulator I asked the author if he'd add an option to pri…
... fastest Z80 instructions require 4 T-states.[/QUOTE]
On the ... given one of those 3500000 T-states, even though at most it ... , albeit very large number of states. You'd just need an ... -
Program Counter question - please readSorry if this is in the wrong forum, but please read it through anyway - see on the FUSE PSP emulator I asked the author if he'd add an option to pri…
... given one of those 3500000 T-states, even though at most it ... every PC value. it doesn't matter if it's the ... -
Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... create [/QUOTE]
I wasn't talking about memory contention. Interpreted ... above is much slower, regardless t-states. It also performs some syntax ... -
Graphics mode:64x48x8 colors possible on Spectrum?That multicolor River Raid demo inspired me to make this question: If we filled all the screen with chessboard pattern [code] 00001111 00001111 00…
... virtual thumb for 4*224 T states, the program calls a sequence ...
