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Memory diagnostic toolIs there any sort of memory diagnostic tool for examining .Z80 files so I can easily identify large areas of blank memory? Scrolling through ZX Spin…
... " or as near as. Where in c64 land.. things like "BRK ... routines. e.g. changing the border colour / setting up interrupts. only so ... if it would be filled in back after the program was ... -
BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... trying to use BIFROSTfillTileAttrL to colour a tile as 'selected'. ... expected it to - the colour only changes until the tile ... . So although I can change the colour of the tile to ( ... to keep calling BIFROSTfillTileAttrL repeatedly in order to maintain the effect ... -
BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... trying to use BIFROSTfillTileAttrL to colour a tile as 'selected ... So although I can change the colour of the tile to ... keep calling BIFROSTfillTileAttrL repeatedly in order to maintain the ... tiles.[/QUOTE]
In BIFROST*, all tiles are automatically ... -
Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... the Spectrum ROM was paged in, 0C9h if the IF1 was ... paged in (these being the bytes at ... 700h in the respective ROMs).[/QUOTE]
BORDER colour on real hardware and you ... -
Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... ]FAQ[/url]? The Interface 1 / border colour one is interesting - why have ... the Amiga that stores 'rubbish' in byte 26.
I ... versions of the Microdriver firmware, in which case they may all ... 't seem to be present in the firmware I found (1 ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... first picture with the blue border suggests that either there are ... ROM does is set the border colour to white, so if this ... , or there's nothing sane in the ROM to read... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... picture with the blue border suggests that either there ... ROM does is set the border colour to white, so if ... there's nothing sane in the ROM to read...[/ ... , but when there is colour on the screen anywhere, ... Long short, I think the border is actually still white! ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... tape causes flickery lines in the border; and if the tape ... visible in the border. Same as Speedlock and Bleepload in that regard, in ... compensate.
The border colour is controlled by the AND ... would need some sync pulses in between the screen and ... -
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…
... is now being done with border fx, TR-Dos emulation with ... enable the use of more colour in the border. Bifrost* was inspired by ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... set_pilot_border
;; base colour for pilot border is red
... /> In the main loader, the code that initializes the border colours ... work to select a border colour does alter the ... there's enough tolerance in the timing constants that ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... =balford;716631]I noticed that in your turbo block, your Sync ... the loader that changes the border colour after detecting the pilot. That ... -
DivIDE black editions availableI have about 6 more DivIDE black editions ready, and will finish more this week. [B]DivIDE 57c BLACK edition including ESXDOS 0.8.5 and 1GB CF card[…
... D0,D1,D6 and D7 change 4 pins of FDD connector ... to printer connector.
IN A,(#F7) read printer port ... #FE (change border/speaker).
;------------------------------------------------------------------------------
I find in GDOS rom ... -
Anyone using an RGB SCART cable with a +2A/+3 and LCD TV?In [URL="http://www.worldofspectrum.org/forums/showthread.php?t=44697"]a recent thread[/URL], I mused: [quote]Can +2As be composite modded? If so, I…
... Sinclair computers, but had to change a colour system setting from "AUTO ... Spectrum +2 grey. Some (as in most) have a problem with ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... macro set_searching_border
;; base colour for pilot border is red
ld ... set_data_border
;; base colour for data border is blue
ld ... combining the
;; value in the accumulator with the bits ... -
MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... using LPRINT, it works ok in BASIC, but cant seem to ... to loop for some reason in MC, and the colours are not ... , the ink colour always ends up the same in each column.
in the 48K ROM
ld ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... errors than I've corrected, in which case loading should be ... routine. You can now insert border colour changes or print statements into ... -
The Spectrum's spectrumappears to be missing a few things... specifically I'm wondering about pink and brown my hazy attempts to mix red and white are not proving very su…
... to use brown and pink in a game but running into ... you select the right base colour set it should work due ... control and change the colour settings until you get the colour you want ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... . I assume if I read IN the state of #FE, AND ... and then OR the required BORDER color and write it OUT ... to know what the current border colour is when outputting sound. That ... -
Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... mine and Alcoholic's posts in the SP1 doc thread[/QUOTE ... __CALLEE__ designator to be ignored in the actual function "int __CALLEE__ ... the sound effects cause the border to go white. Now I ... are saying that if the border colour is changed with an OUT ... -
Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... for the border colour is at a fixed absolute address (BORDCLR in system ... going to put a patch in now anyway because I think ... -
Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…
... had support for different border colours built in already (the main ... don't detune noticeably anywhere in their ranges. The BORDCLR ... only if, you selected a border colour other than black. This ... putting Tritone and QChan support in, there was some interesting ... -
GAMES IN MONOCHROME-am i the only fan?I think that on the speccy games in monochrome are very pleasing to the eye! most people seem to think it is poor to have no colours, but in games li…
I think the border colour flashing when you have collisions etc. is missing in today's modern games. -
GAMES IN MONOCHROME-am i the only fan?I think that on the speccy games in monochrome are very pleasing to the eye! most people seem to think it is poor to have no colours, but in games li…
... the border colour flashing when you have collisions etc. is missing in today ... 't beat a bit of border flashing to add to the ... excitement, especially if it happens in time with a tune, as ... -
THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…
... :) , depends what you want.. the in game or loading only? .. BUT ... due to the compression used in game, it woudl be a ... full screen, as changing the border colour showed how much was blank ... -
48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... them I was interested in. We know there are ... , it seems plausible that in a rush to switch over ... br /> Another thing to keep in mind is that the test ... gate layer. As explained in [URL="http://www.zxdesign ... 6C001E-5 include the change to colour burst timing of ... -
New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…
... ) screen, you're changing the colour in each character square separately.
colour border effects in BASIC. To be honest ... their start screens; in this case using one colour copied right along ... -
New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…
... /> [/CODE]
3. Change a top border delay to match Pentagon ... ]
Change a number in ld hl,XXX in debuger to fix ... . And one bad thing - bottom border in Pentagon has less tStates than ... -
What is this Nirvana engine?Ive been trying to look for a thread on this but cant seem to locate one. I downloaded a spanish game called El Stompo that uses this engine which ha…
... also scrolls (the colours) vertically in pixel steps. The screen is ... there's also a synchronous border colour switch that lets the roadway ... graphics overscan into the border as bars of colour.
[I ... to draw on. The buffer in the [I]River Raid[/I ... -
THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…
... the text specifically describes the colour of something - a green door ... that colour in the illustration.[/QUOTE]
Agreed. I will change the ... ground "great fire" to red. But in this case ... -
Beeper and Sprites at the Same Time?[URL="https://drive.google.com/file/d/0B6XhJJ33xpOWX1pQLS14RnppNFE/edit?usp=sharing"]Why not?[/URL] "q" for quit "m" to change sprite mode any other…
... on c64, is just change the border colour for each specific routine that ...
