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What is the maximum fps the spectrum can achieve?I have been doing some reading and from what I understand the Spectrum outputs a PAL signal, but that means it will display @50fps or @25fps? If t…
... don't have to pre-shift EVERY possible transition from one ... ] works, but it only has four possible transitions on each row ... , up to 3 different 10x16 pixel detail tiles can be pre ... )
The data for all four transition tiles can be held ... -
Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... circuit boards in my other four Spectrums as well, and ... shifting left by one pixel or so, with those ... discern one pixel from another. It should shift left and ... ?" when there were only four, now I find they ... all have four screws.
... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> ; point DE to the shift buffer
ld de, ... .loop:
; blit 16 pixel rowdata to screen in cells ... br /> push hl ;these four push instruction stores 8 bytes ... br /> push hl ;these four push instruction stores 8 bytes ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> ; point DE to the shift buffer
ld de, ... .loop:
; blit 16 pixel rowdata to screen in cells ... br /> push hl ;these four push instruction stores 8 bytes ... br /> push hl ;these four push instruction stores 8 bytes ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> ; point DE to the shift buffer
ld de, ... erase16x16a
; l = pixel y-coord (cell coord, not ... br /> push hl ;these four push instruction stores 8 bytes ... br /> push hl ;these four push instruction stores 8 bytes ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> ; point DE to the shift buffer
ld de, ... erase16x16a
; l = pixel y-coord (cell coord, not ... br /> push hl ;these four push instruction stores 8 bytes ... br /> push hl ;these four push instruction stores 8 bytes ... -
[NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…
... machines:
- Up to four virtual disk drives can be ... .scl files). Hold
down shift to override.
- Disk ... the Ctrl key for symbol shift like other
emulators.
Red Shift updatedHere are some of the additions to Red Shift over the last week or so. * 8 Spectrum game reviews have been put up, including that of two type-ins (is…
... of the additions to Red Shift over the last week or ... direction and content for Red Shift.
DISCLAIMER: The term ... 'Red Shift' has no relation/bearing/affiliation ...FAST PIXEL DRAWINGI'm looking for the fastest way to put a pixel to the screen (on spectrum ofcoz:). Here is my own procedure (written in PASMO). But I don't how do it…
... fastest way to put a pixel to the screen (on spectrum ... me?
;============================================================================
; put pixel
; d = x
; e ...Shameless auction plug - Four 48k Rubber Key Spectrums[url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8109893134&sspagename=STRK%3AMESE%3AIT&rd=1"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewIt…
... 've all be waiting for. Four faulty 48k Sinclair Spectrums. Don ...Pixel setting / general speccy codingi just started doing some cross-coding with the [url="http://www.bigfatpanda.fsnet.co.uk/z80.html"]Z80 SNA assembler[/url] and an emulator, and this …
... up with for xoring a pixel at a given screen coordinate ...Arcanoid - Red Shift re-incarnatedI hadn't updated my web site Red Shift for three months now and I decided that the time has come for just that. To begin with, I've changed the loo…
... updated my web site Red Shift for three months now and ... been re-named from "Red Shift" to "Arcanoid". I hope to ...Night ShiftAnyone interested in selling their original boxed copy of Night Shift, complete with all the original booklets? I would certainly be interested. Cor…
Anyone interested in selling their original boxed copy of Night Shift, complete with all the original booklets? I would certainly be interested.
Cordially,
JamieReturn 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…
... two colours in an 8x8 pixel block has made its return ... format allows for four colors in every 4x4 pixel block.
4-pixel scrollingDo you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)
Do you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)Hawl, we're on the Night ShiftIs it just me, or is it impossible for Night Shift (LucusFilm Games) to load on a 128k machine? My original copy doesn't work and even trying the TZ…
... is it impossible for Night Shift (LucusFilm Games) to load on ...Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…
... for some advice to help shift the balance towards the latter ... routine that draws a 8x8 pixel spaceship on the screen based ... upon x,y pixel coordinates, which are altered by ... screen hl coordinates for each pixel row of the sprite separately ...Goonies helpplease help hooow should I play this game??? there´s CAPS SHIFT used as FIRE-button, which only switches the two characters for controlling...…
... ???
there´s CAPS SHIFT used as FIRE-button, which ... switch the characters on every pixel related to this important area ...SimCoupe 1.0 released[size=-2](for those of you that don't read CSS)[/size] SimCoupe, the SAM Coup? emulator, has been updated to version 1.0. This major release adds ma…
...
- Added support for border pixel artefacts, as used by Fred65 ... Czech keyboards, which require a shift modifier
- Fixed AltGr being ... being too dark
- Fixed pixel format colour issues by calculating ...Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…
... can handle up to 32 pixel particles. A particle dies when ... /> [code]
; *****************************************************************
; Title: Pixel Explosion
; File: pixel01.asm ...Questioning CCSLet's continue discussing some titles from the publisher that I like most of all - CCS. Let's also keep this discussion to what it's about, or I'll …
... . First, the four MIAs:
180
Shift Shaft
Voffy ...Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... /> The emulation routines show all four screens on one SDL screen ... converts the nibble-per-pixel to byte-per-pixel so I can ... I can't actually have four valid pointers active without forcing ...Mode 2 Tile Editor SourceA Timex Mode 2 Tile Editor incorporating a byte mirror table. The compiled version is available in the CSSCGC 2008 collection from the WoS archive. …
... displaying and editing 16x16
; pixel tiles for use with TS2068 ... to the screen.
; four entry points
org ... /> ld (hl),b ; registers to four screen rows
inc h ... /> ld (hl),a ; register to four screen rows
inc h ...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…
... 0-2
rlca ; shift
rlca ; five< ... br /> ;
; There are four separate routines
; ... br /> rrca ; shift right
rrca ; four bits
... br /> rlca ; shift left
rlca ; four bits
...Some more off-topic questions...Just some more things I wonder about, especially when I can't sleep (I hate insomnia)... 1) Do jet packs actually exist? You never see them, even…
... it was shorter than Blue Shift (the commercial Half-Life 1 ... (say) a man and his four wives want to come to ...Every pixel different color on spectrum is it possible?I remember reading somewhere about a hardware modification that could make spectrums have 1 different color per pixel.This would make the color clash…
... have 1 different color per pixel.This would make the color ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... 've based it around the pixel scrolldown routine in 40 Best ... />
[code];scroll down 1 pixel at a time
org ... times we're repeating the pixel scroll
dec b ; ... scrlcount ;otherwise continue with another pixel scroll
endroutine
ret ...
