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RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
[QUOTE=Einar Saukas;675689]
You won't even need the other 0x100 buffer![/QUOTE]
Yes. This is the code in C, in a single pass without buffer:
[CODE]
#include
int scr2rcs( int i ){ return i&0x1800 | i8&7 | i& ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... the player movement barrier detection to attribute-based rather than co-ordinate ... 20130215
20 REM next to do - combat
1002 BORDER ... :
1020 FOR j=0 TO 7*4
1030 READ ...
1120 FOR j=0 TO 15: INK 1: PRINT AT ... -
The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
[quote]Tipshack: convert to the Sprechen Sie Deutsch simulator: 20 LET i$=EN[/quote]
Dammit, that's my sequel (Teachen Yourselfen Germanen) out the window then :D -
TommyGun with AGDHi everyone, I have been working with Jonathan to incorporate his excellent Arcade Game Designer utility into TommyGun. Jonathan has created a compi…
... 685826]Could someone please answer to [URL="http://www.worldofspectrum.org ... />
Jonathan would have to answer most of these properly ...
TG could be configured to allow masked sprites in AGD ... select the code you wish to convert to TG
3) save ... -
Fuse 1.1.0 releaseAfter far too long, I am pleased to announce the 1.1.0 release of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emula…
... ]
Yes, you need to install firmware, see the instructions ... ; Record from RZX. This prompts to select an existing RZX. Should ... is intended to let you convert an RZX file to a FMF video ... that you can convert to mp4 etc. with the fmfconv ... -
Covertape speedloaderThere was a covertape (possibly YS) that had a speed loader / saver routine included on it. It stood out to me as I recall it had a counter on it, co…
Make sure all tape acceleration is off, and use wav for the save tape. You'll need to convert to tzx afterwards. -
List of existing games that needs a port to zx spectrumPlease post here the games that exist in other platform(s) but does not exist in speccy. Please keep in mind this is not a to-do list, so don't hesti…
... [/url]
Looks possible to convert to the Spectrum, and could work ... -
New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…
... number into a programmers calculator, convert to hex, and read off the ... -
New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…
... number into a programmers calculator, convert to hex, and read off the ... -
UK video recorder in the USA.If I take my UK video recorder to the USA, will it still work if I get a step up transformer and a device capable of displaying PAL. Or will the 60Hz…
Convert your videos to digital format...or buy ... few years ago to convert my pal videos to DVD...you send ... them in, they convert them ... and upload them to your account...you ... ...$9.99 per tape to convert to digital. -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... invaders.com/outbox/"]Outbox[/URL] to FZX? It would be ... Outbox, that I will happily convert to fzx. A few days ... ago I finished the code to get fzx export working ... RoboFont, so I'm ready to go.
( ... makes it a little hard to focus on fzx stuff right ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... Outbox, that I will happily convert to fzx. A few days ago ... I finished the code to get fzx export working in ... RoboFont, so I'm ready to go.[/QUOTE]
Excellent ... , makes it a little hard to focus on fzx stuff right ... -
Speccy on WiiHi, Given than Nintendo have now decided to do the Wii-U, I expect that they wont do any more system updates for the Wii, so I've decdied to go the r…
... had a chance to get around to doing anything yet.
to get it to talk to the Wii via ... way too much to put on disc, or convert to a more ... space eating format. But i really want to ... to format it to FAT32 for the TV to be able to ... -
Hello!Hey folks, just checking in ... been a while :) Hope all is well with everyone on the forums. Did I miss much? I know I've not been about these past…
... pre-loading all the registers to enable the use of more ... LD/PUSH and applying it to attribute updates. I didn't think ... -
Barn Find #1Hi, just back from holiday and found a load of spectrum related bits in my folks old barn. They would probably have been a mates who dumped a load of…
Thanks Guesser,
I'll replace the spider doobrie and convert to composite video. Have brushed m/b down and gave a wash in IPA. It looks a lot better now. -
Rainbow Chaos(I so want to call this Law of Chaos to pun on lords) Anyway. Dunno if I'll make this. But if I don't /someone/ will want to. It's just too good an …
... figure cursors may have to be an attribute overlay - losing the ... just overlay a monochrome cursor to make the effect work.[/ ... background, then setting a tile to attribute 56 (INK 0 with ... colors depending on whatever multicolor attribute was already there, but ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... would lower the barrier to entry for non-technical ... Any assembler which allows you to define individual bytes would still ... shouldn't be too hard to convert between multiple assembler formats, ... be all that's required to convert to a different assembler.
... -
SUPER ULTRA GOLD TURBO EDITION HACK PACK - JANOSIK42220,201 -Frozen alien 43381,201 - Immunity
... Sqij for all eternity or convert to the C64. Imagine that...
to think his creation is going ... can employ some amusing tricks to delay and frustrate hackers ... game developers should get together to discuss methods which might ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... x80_fdiv:
call re_st_two ; convert to full floating point form
to number to divide by
... push hl ; stack pointer to number to be divided
... /> sub '0' ; convert ASCII to real value
cp ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ; get value
call x80_fhexs_2 ; convert to string
ld a, l ... ; get value
call x80_fhexs_2 ; convert to string
pop de ; restore ...
rlca ; nibble
rlca ; to low
rlca ; nibble
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…
... data.
; a call to PushFill 32 bytes of data ... loop, but I decided to show it as my ... have kept pixel and attribute clearing as two different ... want to do one without the other. Fast attribute change ... to the same value, d to attribute value and b to 1 to ...Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…
... store the cursor pre-shifted to pixel positions. You could ... of vertical character-wide slices to make the clipping function easier ... pixel line of the screen. To handle vertical clipping, I ... few characters of the screen to attribute 0, so the sprite vanishes ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... br /> inc hl ; point to next character
ld ( ... br /> inc hl ; point to next character
call stack_num ... ; floating point number to calculator stack
call ... add a, '0' - 1 ; convert to ASCII
ld (de), a ...ZX Christmas mp3I'm looking for any zx spectrum christmas tunes in mp3 format. Does any one know of any good links to find them :D
[url]http://www.worldofspectrum.org/projectay/[/url]
might be a good place to start. you may have to convert to mp3 yaself.. not sure if any of the players output to wav.. IRC one does.. and it's easy enough to use LameDrop to make em mp3Ultimate Cassette Label RecreationA quiet few minutes this afternoon whilst tinkering with Illustrator and I created a digital vector version of Ultimates Cyberun cassette label that …
If anyones familiar with a demo by Extreme called Refresh from about 1998, you may recall a similar idea with the title of the demo rotating as a background image occupying alternate lines of the display. Maybe this could convert to something similar.P47 Thunderbolt Colour/Attribute hacking?I've seen someone (can't remember who now, sorry) hacking into monochrome games such as After The War and Outrun Europa and adding/changing the colou…
... code JUMP instruction which goes to your attribute painting code (you have ... /> 3)You transform graphics position to attribute position and use tile number ... to find its attribute in your own table ...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…
... not work very well due to attribute limitations. Each screen would need ... to be converted to Spectrum format and then ... be practical (too slow to render each screen for instance ... m wondering about using an Attribute screen for the Priority ...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…
... not work very well due to attribute limitations. Each screen would ... need to be converted to Spectrum format and then ... this one some consideration as to how to implement.
... would elicit similar performance to the original Kings Quest ...Alien 8 Instructions ScanCan anyone do an excessively hi-res scan of their Alien 8 instruction booklet, just the front and back pages please? I'm finally recreating the inst…
... /> That is why I tend to convert to outlines once the text is ... all correct as opposed to embedding the font, that way ... its purely graphical, not subject to alteration by the interpretation of ... /> Not sure as yet whether to include in the PDF the ...
