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Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... the main menu and select 48 BASIC. The SPECTRUM command is ... to do this.
OUT was also useful here once ... it to prevent any further paging - which I seem to remember ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... 128K ULA for the memory paging, amongst other things.[/QUOTE]
You could replace the 48 ula with an upgrade with ... the z80 and colour/rf out... Plus it would probably overload ... are not difficult to work out. -
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 …
... original software for ZX128. Only paging port #7FFD is rewrited to ... port #81, data for paging port contain only page number ... ZX128 identical as OUT #7FFD. Result: software using paging port #81 is ... if software use access to 48 rom. I use bit D4 ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... ,#EFF7
XOR A
OUT (C),A ;active turbo 7MHz ... is used for 1MB memory paging, but OUT #EFF7,#04 can switch ... #7FFD with ZX128+2A)
- 48 Hz (ZX use 50 Hz ... -
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... crash. The patch also disables paging allowing some games to work ...
out (c),a
ld b,07Fh ; Disable paging
ld ... a,00100000b
out (c),a
db 165
db 48
db 9
Problem with se basicI use MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23,xx can switch between original 48 rom and SE ROM. But if I write basic program i…
... MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23 ... ,xx can switch between original 48 rom and ... I write basic program in 48 basic and switch to SE ...So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... 128K 13.5K 2 128, 48 I/O TV * * * *
48 Sinclair x2 O TV * * ... to 128K using an external paging RAM pack.
... and saving, composite video out. Plug in a Melodik ...spellbound 48k on a amstrad 128 machine?just curious if it works.. I tried under emulation after someone commenting the tape I sold em didn't work... 48k / + / toastrack work fine.. but on…
... sounds like the 48 version doesn't work out of the box ... if you load the original 48 ROM (patched to take account ... -ram mode, and then lock paging first. You don't actually ... into the right area and paging. YS had a program to ...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…
... Switches from +3 BASIC into 48 BASIC, maintaining any program in ... is not disabled when entering 48 BASIC using this command; ( ... menu). "[/i]
So paging is definitely not disabled by ... /> spectrum
CLEAR 49151
OUT 32765,16
POKE 49152 ...Rom Cartridge - How does it work?So I've got me an IF2 and it has this ROM cartridge slot. How does it work? I read Paul Farrows site but one question remains unanswered. If I have o…
... DRAM no matter what the paging state is and it can ... 48k spectrum can only page out the 0-16k area via ... the same on the Speccy 48. If you put any memory ...Distinguishing between models?I'm running the risk of being pointed to the faq here, so sorry in advance. Something I'm trying out requires that the program can distinguish betwe…
... />
Something I'm trying out requires that the program can ... running on:
>48,48+
>128,+2 ... /> >+2A,+3
48 from 128 seems easy enough ... for whether there is a paging variable, or the differences in ...New project: CargandoLeches. Ultraloads with ROMHi This project has started months ago, between decicoder, macleod and me. Uses the best modulation of k7zx (throwing shavings). But this ultraloa…
... these models has special paging that allows RAM in ... br /> Here is this modified 48 rom with installation code for ... TAP file contain only modified 48 rom and is usable ... load this(or any other) 48 ROM to ZX ram from ...
XOR 32
OUT (23),A
RST 0 ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... the clone lock the paging in 48 mode though? If not Ultimate ... the 48K ROM with a "OUT $7ffd, $20", you can left ... out the 74hc273 chip and page ...Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…
... 1-128 basic
2-48 basic
*3- Opus ... use same rom paging as ZX128 (via OUT 7FFD,xx), ... also can use TR-DOS rom paging ... paginga and MB02+ memory paging (true allram mode or ... support multitasking (one OUT instruction switch complette adress ...Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…
... in 48k mode locks out the paging and thus the switching ... models gives that odd "OUT 7I 0:1" report ... 2:
LET mode=48+bit4*80: PRINT AT ... 9129 DATA 48+83,4867,48+65,4867,48+233,4867,
paging)
push hl
Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…
... track of the currently active paging. This doesn't happen ... 0 mode, where the 48 ROM is active all the ... to do the paging directly, using an OUT to port 32765 ... br />
[code]40 OUT VAL "32765",VAL "22": LOAD ... VAL "23388",VAL "22": OUT VAL "32765",VAL "22":LOAD ...Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…
... track of the currently active paging. This doesn't happen ... 0 mode, where the 48 ROM is active all the ... to do the paging directly, using an OUT to port 32765 ... br />
[code]40 OUT VAL "32765",VAL "22": LOAD ... VAL "23388",VAL "22": OUT VAL "32765",VAL "22":LOAD ...Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... t dare to say this out loud, but I will anyway ... that will select a ROM paging routine depending on the Spectrum ... value with rom type (48 rom or 128 rom)
48 models, because here can ... see 48 rom and not use new ...Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
... ones marked D1 are for paging out the RG ROM and going ... into the 48 ROM.
D2 are ... for moving from 48 ROM to RG ROM.
48 ROM.
[url=http:// ... .htm#L026A]Geoff Wearmouth's 48 BASIC ROM disassembly[/url]
Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
... ones marked D1 are for paging out the RG ROM and going ... into the 48 ROM.
D2 are ... for moving from 48 ROM to RG ROM.
48 ROM.
[url=http:// ... htm#L026A]Geoff Wearmouth's 48 BASIC ROM disassembly[/url][/QUOTE ...Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
... . Thank-you for pointing this out![/quote]
There ... returning from RG ROM to 48 ROM), you get a ... RST $38 in the 48 ROM. RET is certainly ... odd one.
48 (part of PRINT-1):
paging after fetching the 2nd byte ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... between "true" 48 BASIC mode, 48 BASIC via typing ... typing USR 0, 48 BASIC via typing OUT 32765,23, ...
Shortly:
"True" 48 BASIC mode is only available ... to ROM 1 without paging, so that a program ... the virtual memory.
OUT 32765,N - Switches to ...IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... any way to check it out from BASIC (without breaking the ... ...3FFFh) is ROM 3 (the 48 BASIC ROM). The RAM page ...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 ; ... handle NEW 0
cp 48 ; 48?
jr z, new_48 ... new_48:
ld bc, paging ; select paging
ld a, %00110000 ... paging, ROM 1, VRAM 0, RAM 0
out (c), a ; 48 ...Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …
... Basic editor and went to 48 mode if the user ... command. UK: 48 BASIC menu option.
Spanish: No paging during token ... lookup. UK: Paging during token lookup ... neat, but unfortunately, we missed out on the opportunity to play ...Which Emulator supports Betadisk48?Hi out there and happy new year, I'm looking for an emulator to run with my vision1.7 trdos-rom in 48 mode. Unfortunately most emus only support Bet…
... 48K games hacked onto Beta 48 disks out there, mostly from Brazil ... original EPROM TK, a
paging mechanism exists to activate at ... /> 15467 (3C6Bh) - Entry point for "paging" the rest of the EPROM ... to 0.
Bit 7 - paging EPROM. If = 0, enables EPROM ...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…
... 're in 48 BASIC via USR0 mode, then just OUT 32765, 16 ... , POKE 23388, 16+bank number: OUT 32765, 16+bank number (or ... 49151, or you'll page out the stack! CLEAR 49151 or ... it's safe to do paging.128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…
... OUT (C), A
; Write to +2A/+3 extended paging ... BC, 1FFD
016F ED79 OUT (C), A
; ... RAM page 0, select 48 basic and lock paging.
... 7FFD
0176 ED79 OUT (C), A
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... +#1800), so if you're paging in the screens at #C000 ... screen at #C000:
the OUT value is (#05 | #08 | ROM48_ONDivIDE 57c update and 128 games?Hi all, Lots of questions ahead!! :) I have found my long lost DivIDE 57c. I have put in my Spectrum 128+ and I spotted that it has 2005 Fat…
... USR0 one. That means that paging, AY and other ports are ... ]? (I use it for both 48+ and 128+ speccys)[/quote]
out is to get 128K Z80 ... TAP files to find it out.
[quote="Pyjamarama;53482 ...
