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Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... number of sprites on screen, change the room design and produce ... room demo.
2. Change the sprite blitting to a ... in the manual for the ROM.
I guess one ... -
Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... that bit of asm or ROM call that does the screen ... portions of the screen that change. On machines with limited cpu ... -
PC200 Q'sJust started researching 1988, and naturally I'll be mentioning the ill-fated PC200. A Q and a req: Q: Did the PC200 actually get released in 1988?…
... change the font to the Spectrum font. I've created a ROM ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... ? The examples in the spectrum rom seem to use the register ... me to manually page in ROM 3 and RAM 0, and ... general expects you not to change the IY register (it's ... -
DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…
... I need to upgrade divide rom in the future (eg. esxdos ... the specifications (subject to some change). We are in discussions with ... mode only (and use +3e ROM on the Spectrum+3, then ... -
Little character trouble with BASinWell, I'm having some trouble loading fonts into the speccy with BASIC, using BASin r13 for an easier job. When I run code, such as this example... …
... are trying to write on rom area. Font switching is a ... check CHARS)
Probably basin allows to write on rom(!). -
Little character trouble with BASinWell, I'm having some trouble loading fonts into the speccy with BASIC, using BASin r13 for an easier job. When I run code, such as this example... …
Oh and if you want to get back to the Spectrum ROM you need to type in POKE 23607,60. You may be doing this blind I haven't checked how BASin deals with it. Spin will definitely have a corrupted screen font. -
DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…
... ? I.e. what would you change in the snapshot if there ... actually page in the proper ROM pages when the snapshot loads ... -
DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…
... .
The extra RAM/ROM is that suggested by Yarek ... will first jump to OUT, change the bank, restore BC and ... -
divIDE ProductionJust to let everyone know that we have made further progress with the updated divIDE. Board design has been completed and changes have been made to …
... be blown directly onto the ROM with an EPROM programmer, although ... flasher program due to the change in main Flash EEPROM).
ROM, and then allow users to ... -
basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…
... the original ROM I'd guess and couldn't change it without ... -
basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…
... stuff to the Open ZX ROM project. Even the original ... Speccy ROM can be made to ... on older machines (just change some compile time settings). ... for the Open ZX ROM and ran across the ... Gosh Wonderful ROM. I noticed it extended ... -
16k Spectrum.How come emulator's in 16k mode don't provide 32 ram-pack support.
... =chop983;173529]do ram packs change the copyright screen like the ... have to provide a replacement ROM, which is something the Currah ... -
Spin rom labels for debugger?I remember having a file with Spin that had some rom labels, I`d very much like to have it back, although the Import Labels.../Export Labels... optio…
... ]
BASin includes a list of 1,116 ROM symbols which ... -
Spin rom labels for debugger?I remember having a file with Spin that had some rom labels, I`d very much like to have it back, although the Import Labels.../Export Labels... optio…
[QUOTE=Dunny;174258]BASin includes a list of 1,116 ROM symbols which ... -
Spin rom labels for debugger?I remember having a file with Spin that had some rom labels, I`d very much like to have it back, although the Import Labels.../Export Labels... optio…
[QUOTE=Dunny;174258]BASin includes a list of 1,116 ROM symbols which wouldn't take long to export to ZXSpin. I'll be working on the import/export symbols system soon, so I'll add them in.
D.[/QUOTE]
Excellent news! -
Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …
I would agree that BASin is the most enlightening utility ... don't believe that the ROM author was ever stuck for ... the maximum problems to the ROM author who nevertheless coped admirably ... -
Spritual successor to the Speccy1988-1995 - Atari ST/STe/Falcon 1995-2000 - ? hmmm ? 2000-2006 - Playstation 2 with a keyboard 2007- ?
... did you install the new ROM versions?[/QUOTE]
Just ... memory expansion.
Changing ROM was pretty straightforward. Open the ... , Green, Blue signals to slightly change the colours.
Released ... -
C# emulatorHi, I wanted to branch out and get a little better with C# so I think I need something meaty to do to keep me going....so an emulator seemed a reaso…
... bytes. Don't worry about ROM write protection right now, it ... a (C) message.
ROM loading is trivial - just inject ... , as it's C - though BASin has a pascal-ish core ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... (big) nutshell:
Change the ULA.
... . If power ok, change the modulator. Note that ... recheck the ULA and change TR1/2 (replace with ... /> test and replace the ROM. Don't forget that there ... two different types of ROM. Hitatchi ROMs need the ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... . That's probably the only change I'd make to what ... 'll need is a flash ROM and the LCD and some ... -
toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... big) nutshell:
Change the ULA.
... . If power ok, change the modulator. Note that ... recheck the ULA and change TR1/2 (replace with ... /> test and replace the ROM. Don't forget that there ... two different types of ROM. Hitatchi ROMs need the ... -
Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... 64K - 16K as ROM, which you can't change (but you can ... -
Retargetting the Z88dkWell, I'm asking here because it's come up before, and I assume someone here might know the answer... I'm trying to retarget the Z88DK for the Z80 b…
... d like to build my ROM with the z88dk - essentially ... often used functions in ROM so that programs in ... work if they are in ROM!)[/QUOTE]
... variables. I didn't change a couple of instances, ...
In terms of a ROM, you can "place" static variables ... -
TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... simple to fix, you just change the lower RAM and it ... were lucky. Next one you change all the RAM and the ... one has the ROM in a socket so you change it because ... that the fault was the ROM all the time, you go ... -
What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... eprom and resoldered the pcf, rom and z80 pins just in ... testing the banks, those patterns change, like in the picture below ... -
What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... would expect the pattern to change as screen RAM is still ... no documentation with the test ROM?
If you remove ... that test ROM and replace it, you get ... garbage yes? Points to your ROM being duff if you ask ... -
What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... expect the pattern to change as screen RAM is ... no documentation with the test ROM?
If ... you remove that test ROM and replace it, you get ... yes? Points to your ROM being duff if you ask ... something else. The test rom should appear in a perfectly ... -
On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
... working machine, i can exclude rom, the 4116's , ula, pcf ... blocks with random colors that change very quickly.
I ... -
ResiDOS v2.00 releasedI've just posted a major new release of ResiDOS, at: [URL="http://www.worldofspectrum.org/residos/"]http://www.worldofspectrum.org/residos/[/URL] T…
... RAM plus 2x16K ROM available in the ROM area.[/QUOTE]< ... The other snag is that "ROM" as used by ResiDOS ... but if I need to change something, I just make ... temporarily writeable". So real ROM isn't actually any ... good for the Syntax "ROM". However, in practice it ...
