-
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…
Strange...
The code I posted should change the border colour every 2 seconds, going through the range of colours.
BEEP is shifted E mode on the Z key.
[B][I]Mark[/I][/B] -
ROM tape trap emulator testA very simple set of [URL="http://homepage.ntlworld.com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF return values for various incorrect blo…
... call at 1378 (after setting border colour and return address?). -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... port 254 will set the border colour, but it uses bit positions ... Spectrum ROM takes the BORDER colour from the PAPER colour in BORDCR, so ... port 254 to change the border. -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... really. To change the border colour from machine code you do ... br /> You set the border colour 0-7. Though technically ... The loading routine sets the border colour directly. To change the colours ... and the border will just alternate between a colour you supply ... -
Plane confusing...Nowhere near as exciting or complicated as one of Morkin's quizzes, but... Can you work out which game's loading screen was loading into which of ZX …
256 colour mode's working :)
[IMG] ... them anyway. This mode, the border colour is used as the paper ... colour and the whole attribute byte ... is used as the ink colour.
Coming up's ... -
Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... DRAM for both bitmap and colour information, so this must be ... 40 cycles per scanline to read the colour data. However, as it ... 4 bits for the character colour, which is necessary because there ... to give the third colour in the multi-colour graphics mode.
Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... main thing is in the border area. There are alternating light ... that if I change the border colour from white then the lines ... in the border do disappear!
Thanks ...Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... is all white or if border is set to white. The ... than normal and when paper colour is changed you can only ... />
When I change the border colour the lines don't seem ...Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... ;791558]When I change the border colour the lines don't seem ... no visible interferences at the border zone close to the left ... shows everywhere, even in the border zone close to the left ...+2 DIAGNOSTICSIs there a diagnostics test available for the spectrum 128 (+2) in tzx format? I've just obtained a spectrum +2 Grey and all looks fine with it on f…
... will attempt to set the border colour to indicate where the fault ... Error
; ---------------
; Set the border colour to indicate which RAM bank ...assembler for PcHi guys, I'm in the process of teaching myself machine code, and wondered if there is a good pc program for writing code. Or is the best thing to use…
... /> To set a permanent red border we can do this:
call 8859 ; set border colour.
so this is ... part of the rom's border routine?
Sorry for ...You get what you pay for-You live and learnDecided to try for a cheap spectrum + on ebay described as not being able to tune it and some keys did not work - haha Duly received and opened up a…
Is the border colour white? What are the exact voltages measured on the +12v, -5v and +5v rails?
It is most likely a lower RAM fault, but if the border colour is non-white then it could be a faulty CPU also.
BYou get what you pay for-You live and learnDecided to try for a cheap spectrum + on ebay described as not being able to tune it and some keys did not work - haha Duly received and opened up a…
[QUOTE=balford;820727]Is the border colour white? What are the exact ... RAM fault, but if the border colour is non-white then it ... /> Thanks Balford
The border was white, but I've ...Stuff the Spectrum wasn't really supposed to be able to doHello :) Today I was rearranging my bookshelves and I ended up spending almost an hour, looking at the old Sinclair User magazines I have held on to…
The first time I saw a game that used a different border colour or another unusual effect for loading such as the walking technician teds really amazed me.My first Greasemonkey script, up for testingI've decided to play with Greasemonkey and javascript today. (Greasemonkey is an add-on under Firefox)<br><br>Here's my first script written purely f…
... white.
Also that border colour somehow is the same as ... the quote bar colour.
Also, this blue ... background colour is hard to choose, as ...My first Greasemonkey script, up for testingI've decided to play with Greasemonkey and javascript today. (Greasemonkey is an add-on under Firefox)<br><br>Here's my first script written purely f…
... became white.
Also that border colour somehow is the same as ... the quote bar colour.
Also, this blue ... background colour is hard to choose, as ...Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
DiscipleI have got a Disciple Disk Interface, with no manual, software. I have downloaded the PDF Manual from WOS, which says I have to load the operating…
... no idea what the current border colour is, which RAM page is ...DiscipleI have got a Disciple Disk Interface, with no manual, software. I have downloaded the PDF Manual from WOS, which says I have to load the operating…
... no idea what the current border colour is, which RAM page is ...Were there other graphic modes for the ZX Spectrum?I've read that there was a "hi-color" mode that allowed the color clash to be 8x1 instead of 8x8. Maybe I have the name of that mode wrong. I'm…
... />
Sinclair wanted a colour machine. The very low cost ...
Because the requirement was colour graphics, the ULA was designed ... for a single colour graphics only "mode". Unlike ... the three bits for the border colour. This means there is ...No contended memory?Sorry if this is a stupid question. But I'm trying to learn more about the ZX Spectrum. If I had a stock 48k Speccy and I could wave a magic wa…
... to keep things in sync. (border colour for example)Vega ARM SOC?I read that the core of the new Vega was an ARM SOC. I thought it would have been an FPGA. But it seems it's an ARM running an emulator. Anyone kn…
... techniques to change the border colour at specific times so ... to find out what colour the border must have during ... 8 pixels of border, changing the colour every 224 T- ... /> ld a,0 ;initial border color
ld d, ...Best beeper player with good trade-off between sound quality and CPU timeHi all.. I'm toying with the idea of writing a small demo/intro on the 48k Speccy. Last time I did this I cheated and used an AY add-on but this t…
... the current speaker bit and border colour. The call to close writes ... the current speaker bit and border colour. This way there is no ... music and tritone uses the border colour last set by the user ...Russian-speaking topic - Multiface 3Hi friends! The Administration will not mind if I create a topic in which you can communicate in Russian? No politics. No racism. Speccy only! :-) …
... game situation have spoiled forever border: cry:
Can I ... at boot time snapshot black border instead of blue?
[/ ... Poke the address of your border change routine into Multiface RAM ... button will now execute your border change routine, then the game ...48k Speccy died, resistors getting too hot to touchHi folks, With 2 days to go till an exhibition my trusty dual-boot 48K issue 3b that I made last year has given up the ghost and I'm not sure I ha…
... I can see the alternating border colour. Start the normal 48K ROM ...Empire - port of trs80 basic programBack when I was a little kid, I had the opportunity to play around with a trs80 model 1 with level 2 basic. One of the games I often played was call…
... /white; Press SPACE until current BORDER colour restored to resume scrolling text ...Help a new user pleaseI love old school games and never had a Sinclair as a kid so thought I would rectify that via eBay! I have a 48k+ Model that was sold as working, …
... out I get a RED border but that’s it.[/quote ... something, so it changes the border colour to show this. If it ... from a suitable source, the border would change to coloured stripes ... would have given me a border or something, but I’m ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... game you need 48k (Ram) + Border colour (stored in ULA) + z80 registers ...Arrays in BASICHi so I'm making this crappy game and I wanna store the screen positions of some UDGs in in a 50x2 array cause I have 50 characters. So I made the ar…
... , eg:
[code]
14 BORDER 1: POKE 23624,7*8 ... )'(20)'"row 21";i$:
BORDER 1: STOP
[/code]
colour attributes, which shares its PAPER colour with the BORDER colour.
