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Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
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; -----------------
; THE [B][COLOR=#333388]'CLS'[/COLOR][/B] COMMAND
; -----------------
; Having cleared all 24 lines of the display area, continue ...
; the attributes for the lower lines are the same as upper ... -
Screen access in assemblerI am again troubled by the unusal screen design of the Spectrum. :) If I want to do something with, say, a 16x16 bit block of the screen (in the sam…
... column : INC L
Lower lines:
INC H
LD ... block only, GASMANS adddition to lower H isn't needed -
Ultimate loading screensAs I'm replaying some of my youth favorites, a question arose today that -- funny enough -- I used to have also back in those times. Maybe someone kn…
Probably used a paint package that wouldn't edit the lower lines ;-) -
Getting back into Spectrum BasicAfter a LONG break from Spectrum Basic, have discovered BASIN and starting to do some old school programs. Then I can run them on Nintendo DS using t…
... etc for the 2-3 lower lines to stop them over written ... -
Getting back into Spectrum BasicAfter a LONG break from Spectrum Basic, have discovered BASIN and starting to do some old school programs. Then I can run them on Nintendo DS using t…
... etc for the 2-3 lower lines to stop them over written ... -
generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... mentioned; new lines are in [color=red]red[/color]; moved lines retain their colours ... ; deleted lines aren't ... also changed the "CALL RANDOM" lines to "CALL RANDOM16" and added ... -
Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
... for sticking something in the lower lines in basic programs. :)
Sierra AGII've been thinking recently about starting a project to port Sierra's AGI engine to the ZX Spectrum 128. I've been reading the AGI specs and to me i…
... Spectrum BASIC ;)
[COLOR="navy"][I]Graphics data was ... of storage space. [/I][/COLOR] - drawing lines, filling shapes would be ... slow again
[I][COLOR ... of memory and graphics limitations[/COLOR][/I] - so no ...Sierra AGII've been thinking recently about starting a project to port Sierra's AGI engine to the ZX Spectrum 128. I've been reading the AGI specs and to me i…
... QUOTE=Ralf;745208]
[COLOR="navy"][I]Graphics data was ... of storage space. [/I][/COLOR] - drawing lines, filling shapes would be slow ...
[quote]
[I][COLOR="Navy"]Due to the AGI ... of memory and graphics limitations[/COLOR][/I] - so no easy ...Sierra AGII've been thinking recently about starting a project to port Sierra's AGI engine to the ZX Spectrum 128. I've been reading the AGI specs and to me i…
... the fly into machine language.[/COLOR][/I] - so it's ... br />
[QUOTE=Ralf;745208][COLOR="navy"][I]Graphics data was ... of storage space. [/I][/COLOR] - drawing lines, filling shapes would be slow ... of memory and graphics limitations[/COLOR][/I] - so no easy ...is there a wire frame version of total eclipse, 3d construction kit, etc?is there a wire frame version of total eclipse, 3d construction kit, etc? this would mean the game would run faster. total eclipse, etc is too slow.
... like mercenary. u could even color the lines, like in star warsPrint vs 23659To be honest I could not think of a better topic title, although its not ideal. Anyway, I do recall reading ages ago that the reason you cannot no…
... #1 to print to the lower lines, its a method I've ... get away with "its the lower screen so you cannot use ...The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... cartridge's sector in the lower part of the Spectrum's ... specialties.
The attribute color map is like this:
lines together with some configuration GUI ...16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…
... SRAM based replacement for the lower RAM that works in all ... that appear on the lower RAM address lines. In particular, in some ... in series with the address lines. All this means that a ... this is the ZX Spectrum Lower RAM Replacement Module, pictured below ...EmuZWin - color problem...I am trying to use EmuZWin - very curious about its integral assembler/compiler. However, something is wrong with the color and I cannot see buttons…
... , something is wrong with the color and I cannot see buttons ... help. My video has no lower color options.
Any ideas ...Lambda 8300 Color module (ZX81)I was gifted such a device yesterday and have a few questions ... First of all it appears the interface does work in general when used with a 16K …
... that I can initialize the color mode (random attributes shown), overwrite ... quality of the color addon is extremely bad, some lines are distorted ... only makes issues with the color module worse (while improving the ...ZX Spectrum Issue 2 - 12V badHey there, I'm currently attempting to fix a ZX Spectrum issue 2 that I recieved. Overall the machine was generally working when I recieved it, bu…
... it, but didn't output color and would crash occasionally, tuning ... color (no blue/yellow tint), just slightly intensity of the vertical lines ... when entering basic lines). Additionally I replaced the lower bank with rewired ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... bit to support textures and color.
Unfortunately, I can ... -256*INT(o/256): REM lower byte
350 POKE 63693 ... /> 380 POKE 63692,196: REM lower byte
390 POKE 63693 ... byte
400 REM color
410 LET c=56 ...boot fail .. bad address lines A7,A12,A13anybody have any ideas what could be wrong with this specie issue 3B .. work done : removed rom, upper ram & logic put lower ram multiplexers in sock…
... , upper ram & logic put lower ram multiplexers in sockets (ic3 ... & ic4) , put lower ram in sockets, full recap ... 's & ULA's. fitted lower ram module ... still no boot ... the data & address bus lines from cpu on ward for ...New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... used to set the BORDER color (bits 2, 1 and 0 ... screen then use a different color than the controlcharacter and read ...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…
... here that C64 uses lower resolution in some games. ... is obviously that C64 uses lower horizontal res. at Elite ... lower resolution yes... less bytes no. If there's color ... for that when you draw lines takes extra cycles. So ... 320 pixel wide 2 color mode for the top ...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…
... then lower resolution yes... less bytes no. If there's color on ... it's probably a 4 color mode. That's 2 bits ... for that when you draw lines takes extra cycles. So... you ... not true - to draw monochrome lines you don't need to ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... br /> ; SERVICE ROUTINES
; color print channel
; -------------------
org ... cp 26 ; column 7 or lower
ret nc ;
ENDM ; repeat 8 lines using the same screen address ...Crappy video in +2B/+3Maybe it's not a failure in my ZX Spectrum, but I need some advice... I've got some spectrums (a ZX Spectrum +, two spanish ZX Spectrum +2B and a mo…
... get a picture with no color noise... but syncs keep "jumping ... line frequency slightly lower and with only 311 lines instead of 312 ...Mr Do! ?Not exactly a new idea (at least twenty-seven years old now :-o), but how about a port of Mr Do! to the Spectrum? There was never an official one, ev…
... correctly makes the spectrum 8 lines too short to do it ... the two top and two lower information areas (score, etc) can ... would have to be one color.
[QUOTE ...Spectrum hangs upWhat might be problem when my ZX Spectrum 48K (rubber keys) hangs up after few minutes play? It had memory problems but i changed (or an expert did i…
... bus.
- A bad lower memory chip with intermitent failures ... deconding, due to bad address lines, or missing OKI/TI ... : it simply changes the border color, at the (almost) maximum ... (when not testing lower memory, when testing lower memory you will see ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... definitions in the first few lines of a program will help ... converted all the variables from lower-case to upper-case and ... now runs in [B][COLOR="Red"]10.02[/COLOR][/B] seconds. How ...Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…
... replace Z80s with bad M1 lines.[/QUOTE]
Thanks!. Changing ... .
Running it at a lower clock rate will not damage ... I?m having problems with color display screen and random crashes ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... peripherals only care about the lower part of it (so the ... high), allowing the other address lines to be used in a ... , among other things, identifies border color (three least significant bits). So ...
