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Paging MemoryAny idea why this short piece of code doesnt work, just crashes. I am just messing with paging memory in and out (not achived this yet) and reading t…
... what you page in and out. Perhaps clear RAMTOP below the ... Z80CPU. And IN #1FFD for switch off turbo (3.5MHz mode). Real ... value). If you disable memory paging(OUT 32765,48 ), 128 port reading / writing ... -
Blizzard PassCan anyone get the 128k text adventure Blizzard Pass to run on any emulator? I've tried the online Java emulators in WoS, ZX32 and Spectaculator 5 an…
Out 32765,23 changes the Bank page ... uses POKE 23388 to switch RAM banks.
OUT 32765,48 / POKE 23388 ... -
How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…
... to do OUT 32765,48 in BASIC to turn memory paging off. But how ... ? I know there's an OUT in assembly and it's ... like this out (n),a but this only ... -
DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…
... this, I had to rush off to Ireland !
Anyway, ... code LD A,#7F + OUT (#FD),A and similar variants ... OUT command write value #7F,#7E or #00 to memory paging ... with black screen and switch ram to 48kB mode...< ... to 48 BASIC (or write OUT 32765,48) and after it ... -
128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…
I'd always thought that OUT had to be used to ... from BASIC would be an "OUT 32765,ddd" command, although I don ... switch in page 'n'. I suppose that means that an "OUT 32765,16 ... -
+3e with DivIDE systemsIf we replace old R-GAL chip on original DivIDE with new XR-GAL (this is only firmware for GAL chip) then will possible DISABLE or ENABLE any DivIDE …
... /> LD A,192
OUT (227),A
XOR A ...
OUT (227),A
EI
This routine reset DIVIDE paging port and disable system.
XOR A
OUT (227),A
EI
switch off true allram 16kB mode on DIVIDE (switch off any ... -
Switch 128kb banks from Basichello! Please help to [U]correct[/U] switch 128kb pages from Basic. So, I remember, need to do: out 32765,17 e.t.c but before, i must to change some…
... help to [U]correct[/U] switch 128kb pages from Basic.
out 32765,17 e.t.c
Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... $="": REM Channel 3 string, starts out as empty.
285 LET ... Along value on (1) or off(0!)
325 LET r ... to record 0 to end/switch off record feature
350 REM ... ": LET v$="V14": REM Turns out there are 15 volumes, I ...TAP conversion project?I was wondering if there's any concerted effort to produce TAP versions of games only available in TZX or Z80/SNA/SLT format? Or are snapshots consid…
... bytes long, which obviously falls off the end of memory. I ... $7FFD. This controls the 128K paging so it's fairly safe ... a: POKE 23388,16+a: OUT 32765, 16+a: LOAD "" CODE: NEXT ...128K dev / PASMO (or alternative) question...When I assembly my code, I have it set up so that PASMO automatically creates a TAP file complete with loader, and this works great for 16/48k Do y…
... paging in your basic file
e.g.
Switch ...
load "" code 49152
Switch to Page 2
load ... LOAD "cow1"CODE
40 OUT 32765,17
50 LOAD "cow2 ... bottom) which deals with the paging, and LDIRing (or decompressing) each ...Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... from which the 128 memory paging is still available)
[/QUOTE ... sync with raster
20 OUT 32765,23: REM display page 5 ... /> 35 PAUSE 1
40 OUT 32765,29: REM display page 7 ... have a 4:3/widescreen switch on my monitor, hence why ...Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... low will also function to switch off the +3 motor once ... ]
This OUT's set on russian ZX ... On original old Pentagon machines OUT 1FFD work same as ... 128 = same function as OUT 7FFD,1/5/7. ... OUT 1FFD,xx ignored.
Warning: I you use both paging ...ANN: EsxDos 0.73 released (third party - not mine)Papaya Dezign have finally released their firmware/OS for the DivIDE interface. Go get it from [url]http://www.esxdos.org/files/esxdos073.zip[/url]…
... 48K mode, load Jetpac and off i am. Maybe it has ... 0 mode, where 128K memory paging is still active, and Jetpac ... memory paging register.
To force 'true' 48K mode, enter OUT 32765 ...DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…
... contain code LD A,#7F + OUT (#FD),A and similar variants ... OUT command write value #7F,#7E or #00 to memory paging port ... videoram with black screen and switch ram to 48kB mode...
OUT 32765,48) and after it you ...Alien8 will not run on Divide?I can't seem to get Alien8 running on my 128+ with Divide. I have the original tape and have loaded into an emulator to create a snapshot, (.z80) an…
... contain code LD A,#7F + OUT (#FD),A and similar variants ... OUT command write value #7F,#7E or #00 to memory paging port ... videoram with black screen and switch ram to 48kB mode...
OUT 32765,48 ) and after it you ...Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…
... /> Is there another way to switch to 48K, ie does SPECTRUM ... need to lock up memory paging with OUT 32765,48, but to be ...Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... in USR0 mode with enable paging ?
And 128K ... switch 128kB enable/disable (yes, it's possible disable 128kB memory paging ... via OUT 32765,48 and in any ... time in same menu enable port 32765 ...Games filled with snow....I've just been playing Colin Mcrae Rally 2005 on the Xbox, and was driving the Swedish Rally, which is all very snowy and similar to the roads outsid…
... mode and write CLEAR 3e4:OUT 32765,49:RANDOMIZE USR 0. This ... out set slow ram page in high 16kB and disable paging port 32765 = switch ...Renegade (the hit squad)Hi fellow spectrum peeps,nice to meet you all!,and what a great site you have here!. I have been given a spectrum +2 which didn't load tapes,until i…
... in RAM. There is no switch back to +3 BASIC. Note ... menu). "[/i]
So paging is definitely not disabled by ... 49151
OUT 32765,16
POKE 49152,123
OUT 32765,17
OUT command hasn't swapped the ...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…
... /> ;start:
di ; switch off the 50Hz (or 60Hz) interrupt ... unstack HL
ei ; switch on interrupts
ret ; ... /> ld bc, paging ; 16-bit I/O
out (scld), a ... ; set video mode
out (c), e ; set ROM ...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 /> ld bc, paging ; VRAM / ROM
out (scld), a ; ... /> new_0:
di ; switch off interrupts
ld a, 255 ... new_48:
ld bc, paging ; select paging
ld a, %00110000 ... lock paging, ROM 1, VRAM 0, RAM 0
out (c ...LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
... so make sure you switch to bank 6 just ... /> 20 POKE 23388,22: OUT 32765,22
30 SAVE ... br /> 40 POKE 23388,16: OUT 32765,16[/CODE]
... is changed). The OUT changes the paging, so no PAUSE ... about using only the OUT to change paging, forget about it ...If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... ... Put in a turbo switch, PC interface, etc, ... still a way to switch off all of the internal ... />
Although I started out programming the z80 on the ... an existing extended memory paging system, I'll probably ... m trying to work out optimal ROM selection to ...Definitely Not Stonkers**Or the ZX Spectrum equivalent to Nintendo's Advance Wars. With the simple presentation but demon wars, I've thought about a Spectrum version of Adv…
... 're the first thing I switch off when playing the GBA/DS ... an music album title - hetakes out one your tanks "Take That ...building a PCIv'e decided to get my old PC and try and get the thing working again. not really sure what went wrong with it, and instead of buying a new one i pre…
... can take the broken gubbins out of it and replace them ... then i had to turn off. reinstalling windows worked for a ... a funny color and then switch off. (defo not the monitor)< ... card, can i swop it out with another one, or ... shame to have to shell out for a new cd ...Getting DivIDE Plus to always start with ResiDOSI am hoping someone on here will have experience of using ResiDOS - I emailed Garry Lancaster, but have not received a response as yet. A customer h…
... can load from FATware and switch to the desired mode.
10 REM Switch to ResiDOS
20 ... /> 40 REM Switch to 128K Mode
50 OUT 32765,0
converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... is bits on ZX128 paging port 32765:
D0 = paging bit 0
D1 = paging bit 1
D2 = paging ... original code:
LD BC,32765
OUT (C),A
And ... with:
AND 7
OUT (129),A
3) disable ...
