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ZX81 Emulator (HARDWARE FREAKS NEEDED!!!!)For the ZX Spectrum I have programmed a ZX81-emulator. ZX81 games can't run directly on a ZX Spectrum due to memory adresses used by the Spectrum (li…
... is the screen-mapping. Adress 16384 is part of ZX81 RAM ... would use i.e. adress 49152 to 56063 for the Spectrum ... intrupt the screen (positioned at 49152) will be updated and keyboard ... -
ZX81 Emulator (HARDWARE FREAKS NEEDED!!!!)For the ZX Spectrum I have programmed a ZX81-emulator. ZX81 games can't run directly on a ZX Spectrum due to memory adresses used by the Spectrum (li…
... the screen to 49152, but it also alters adresses 16384 and further ... -
Hardware specialists ?????Are there any Sinclair hardware specialist around here? I think most of you are more gamers and I need a hardware specialist for some questions!!!!
... make screenadresses point to 49152 instead of 16384.
2)
Hardware specialists ?????Are there any Sinclair hardware specialist around here? I think most of you are more gamers and I need a hardware specialist for some questions!!!!
... make screenadresses point to 49152 instead of 16384.[/quote]
Use a ...Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... second screen from 49152 to the first one at 16384, that?s ...Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... second screen from 49152 to the first one at 16384, that?s ...compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …
... PEEK 16384 would remain a screenadress, as well is PEEK 49152.
compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …
... PEEK 16384 would remain a screenadress, as well is PEEK 49152.
My first attempt at Gigascreen interlacingWonderful. Did some research on the port which controls memory paging and wrote a short BASIC programme to switch pages 5 and 7 in and out of the scr…
new programmer needs information hi , i have been learning c++ for a while and am trying to make games using windows but being 28 and nostalgic , i thought it would be fun try and f…
... /> The screen0 area is from 16384 to 22527, followed by 768 ... banks are paged in from 49152 to 65535.Does Screen Flipping work on a 48k Spectrum?On the other post it showed some basic code to flip the screen on a +3. Does it work on a 48k Spectrum. Can anyone show me the machine code to: Se…
Compressed Loading ScreensHi everybody From my speccy memories I could swear I could remember games with loading screens that took less than normal time to load. But up until…
... /> 4 REM 1 for memory 16384-32767
2 for memory ... -49151
3 for memory 49152-65535
5 for reset ...128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…
... by reading it via Memory[16384]. The ULA does the same ... 't access it via Memory[49152], instead it just gets it ...128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…
... by reading it via Memory[16384]. The ULA does the same ... 't access it via Memory[49152], instead it just gets it ...List of RANDOMIZE USR code effects?Hi chaps, Does anyone have one of these please? Thanks.
... 65536 memory locations; the first 16384 of these are occupied by ... RAM - somewhere in the upper 49152 bytes of memory, a RANDOMIZE ...length of 48k .sna fileJust a quickie :) Is the length of a 48k .sna 49152 or 49153, i.e. does it go from 0 to 49152, or from 1 to 49152? (If that makes any sense?) Cheer…
49152 bytes of complete Spectrum ram ... .7)
27 - 49152 bytes RAM dump 16384..65535
------------------------------------------------------------------------
Total ...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... , I can simply start at 16384
However, I know ... 128k you can say "Use 49152 for the screen".
49152
Write to 16384
Then "Flip ... " the screen back to 16384
Or do I ...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... if I write to 16384 it is still displayed ... />
BackBuffer equ 49152
;flip memory bank ... /> ld hl,49152 + 6143
ld de,49152 + 6144
jr1:
ld hl,49152
ld de,data1
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
...
[code]
PEEK (16384+i) == PEEK (49152)
[/code]
gives ...
write something to 49152 ;writting to shadow screen
16384 and 49152) and you select the ... to screen on 16384, second to screen on 49152
...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... 5 and 7, but using 16384 and 49152.
However, if ... method where all addresses were 49152, does this rely on all ... , by using the write to 16384, when finished flip, you could ... same if you use the 49152 address method?Sam coup? - some questionsHi everyone. Got myself a sam coupé without any kind of cables. I was a bit suspicious about it's working condition. Hooked it to a pc at psu a…
... is mapped in Page B (16384-32767)
[Page 0 would ... is mapped to Page D (49152-65535)
VMPR is ...I'm in need of help hereI've been using the 'COMB' and 'TRANSFER' programs on Lerm's Utility D package to convert copy-protected (Speedlock, Alcatraz etc) 48k games onto +3 …
... you need to CLEAR below 49152, so you'd probably ... 0 16 49152
1 17 49152
2 18 49152 (or ) ... 3 19 49152
4 20 49152
5 16 16384
... 6 22 49152
... 7 23 49152
< ...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 …
... /> 16384-32767 Section B
32768-49151 Section C
49152-65535 ...Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
[QUOTE=aowen;164749]Not sure off hand, but if not the same effect can be achieved with:
SAVE "name" CODE 16384,49152: GO TO n[/QUOTE]
Would not work in case the stack points to somewhere else before load. ;)Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... the point when SAVE "" CODE 16384, 49152 was run will inevitably contain ...Which game did you like the loading noise the most?I always like skool daze's loader, it seemed to come over in regular waves.
... do a save the lot (16384,49152) and get a brand new ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> }
extern uchar *scroll_buffer(49152);
uchar scroll_count;
uchar ... *m, char mode) {
memset(49152, 0, 264);
mess = installed_mess ... (uchar attr)
{
memset(16384, 0, 6144);
memset(22528 ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
...
.custom
ld hl,49152
ld c,0
memset(49152, 0, 264);
mess = installed_mess ... (uchar attr)
{
memset(16384, 0, 6144);
memset(22528 ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... *m, char mode) {
memset(49152, 0, 264);
mess = installed_mess ... (uchar attr)
{
memset(16384, 0, 6144);
memset(22528 ... /> #asm
ld hl,49152
ld bc,(9*256 ...
