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128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
... on any 48k/128k model. A 128k save will load ... org 65368
;save a BASIC program as headerless CODE
128k; =65 +2; =233 +2A/+ ... ,$5b2f ;REGNUOY (+2A/+3/+3e paging)
MCCONT: push hl ... -
Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... the game in the default 128k mode it would freeze when ... +3 BASIC the interrupt routine expects there to be memory paging code ... be sufficient to force 48 BASIC and stop this happening. -
Break into programIs there any way of stopping people using the break option in my software productions so they can list the code.
... add a,d ;A =83 +128k; =65 +2; =233 +2A/+ ... 5b2f ;REGNUOY (+2A/+3/+3e paging)
MCCONT: push hl< ... HL,9000 ;line number of BASIC error handler
ld ... the saved value. My BASIC routine displays the normal error ... -
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…
Works in 48K or USR mode.
The loader is incompatible with 128K BASIC. Also, some data is loaded in the printer buffer that would make it fail if paging is not locked or in 128K BASIC mode. -
Arcade Game Designer 4Just released over at the AGD forums. New this time: Sprites can now be individually coloured using the SPRITEINK command. If 16x16 sprites aren't…
[QUOTE=Yoshiatom;733362]I tried it in 128k, same problem.
[/QUOTE]
You have to use the 'Tape Loader' option so that paging is enabled. It looks like you've loaded via the '48 BASIC' option on a 128k. -
Arcade Game Designer 4Just released over at the AGD forums. New this time: Sprites can now be individually coloured using the SPRITEINK command. If 16x16 sprites aren't…
... 'Tape Loader' option so that paging is enabled. It looks like ... loaded via the '48 BASIC' option on a 128k.[/QUOTE]
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…
... the AY routines from the 128K version!
... TK, a
paging mechanism exists to activate at ... paging EPROM. If = 0, enables EPROM DOS and disables EPROM BASIC. ... probably crashes on the 128K by trying the same ... over the 128K ROM).
The ...Atic Atac on 128kThis may have been talked about before, especially if its not just me with this problem, but loading this on my grey +2 results in title screen, then…
Either the SPECTRUM command from 128K Basic, or 48K basic from the menu will work - both of these lock the paging bit.
BGhosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…
... (well, at least in BASIC it does)? I usually ... the main code) lock memory paging.
Also, ... use FLAGS to disable 128k properties, I'm afraid ... it does not prevent paging in and out nor prevents ... able to load even a 128k game without problems (!).
A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…
... FLAGS variable to switch from 128k to 48k. As I said ... method has some issues:
- Paging won't be locked. If ... 't be locked.
- Although BASIC will switch to 48k (and ...A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…
... FLAGS variable to switch from 128k to 48k. As I said ... method has some issues:
- Paging won't be locked. If ... 't be locked.
- Although BASIC will switch to 48k (and ...Mercenary 1+2 CompendiumDear all users of +3 disks, I am an eager fan of Mercenary game, in which I made a good deal of progress years ago. I was looking for some standart …
... on 128k BASIC, tha TAP will not work. The problems is paging. I ... use OUT instead of 128K BASIC paging. Is that ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... the $C000 boundary into the paging block. I'll see if ... , as the remainder of the BASIC can be entered manually to ... /> TXT2Emu was tested on 48k/+128k/+2/+2A/+3/+3e. The ...+128 with usr0 in menu screenIve just watched a video of a guy with a spectrum and on the loader menu i think under calculator the menu had an entry for usr0,anyone aware of this…
In 128K basic, if you type USR 0 the 128k ROM converts it into ... 48K basic tokens, and ... ram paging. So USR 0 still allows access to the 128k hardware ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... sub-set of Boriel's BASIC. It handles all the heavy ... completion, it will only support 128K machines, and it's commercial ... because it deals with the 128K memory paging so you don't ...What is the "SPECTRUM" keyword on a 128K?The 128K replaced UDG characters T and U with new commands; PLAY and SPECTRUM (or possibly the other way around.) The manual ([url="http://www.wor…
... printer, and disabling the RAM paging. It neglects to clear ... 128 BASIC has a similar effect but this leaves the paging enabled ... IIRC.
The 48k ROM page on the 128k ... possible to switch back to 128k mode with the available commands ...What is the "SPECTRUM" keyword on a 128K?The 128K replaced UDG characters T and U with new commands; PLAY and SPECTRUM (or possibly the other way around.) The manual ([url="http://www.wor…
... go back to +3/+2A BASIC:
[code]RANDOMIZE USR 23354 ... ]
As for the older 128K models, i haven't been ... it doesn't return to 128k BASIC mode.
This might ... bit 5 is set, "memory paging will be disabled and further ...What is the "SPECTRUM" keyword on a 128K?The 128K replaced UDG characters T and U with new commands; PLAY and SPECTRUM (or possibly the other way around.) The manual ([url="http://www.wor…
... 48K BASIC” menu entry cause the paging to be locked. The 128K toastrack ... SPECTRUM command leaves paging unlocked, but the “48K BASIC” menu entry ... does lock paging. With this version ... +3 disks from 48K BASIC, but perhaps that is ...Scary video clipI found [url="https://www.youtube.com/watch?v=04rDK7zY7_Y"]this[/url] video on YouTube. It is really scary, but otherwise of great educational value …
... the-spectrum-keyword-on-a-128k#latest
... the 48K Basic menu option lock the 128K memory paging so ... on 48K Basic mode, when loading a 128K soft or ... 48K Basic).
4. Now load the 128K tape ... , the paging will remain locked and the 128K soft doesn ...Scary video clipI found [url="https://www.youtube.com/watch?v=04rDK7zY7_Y"]this[/url] video on YouTube. It is really scary, but otherwise of great educational value …
... and the 48K Basic menu option lock the 128K memory paging so that ... from pcb ) to unlock 128k memory paging under 48k mode.
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... ask because the Double Dragon 128k also started off like this ... much graphics to fit in 128K.
My initial estimate ... runnable on a 48K, by paging extra 16KB at a time ... /> [quote="kgmcneil;863355"]
Some basic questions to think about:
I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…
... 3 sessions of 48K Basic on a 128K machine, could be a ... br />
Idea: Start in 128K mode, load "Commutator OS", then ... the paging mechanism, to simplify your life.
Load first Basic Program ... to new session, load another basic program and run it, swap ...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 ...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 ... that the 128 ROM system/BASIC is often a source of ... it comes to using the 128K memory, like let's ... I agree. I owned a 128K machine as a kid back ... BASIC back then. I hadn't realised what a minefield the 128K ...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 …
... even think about returning to BASIC.[/quote]
Even easier ... going to use any 128K specific feature except paging and AY, then ... (i.e 48K ROM with paging enabled). Something like this:
BASIC breaking anything.Accessing +3 DOS with DivIDE enabledI'm thinking about making a tool that copies files from a FAT partition to a IDEDOS partition. Currently, I've got two problems: - Getting the ESX…
... .
- Gatito3: Copies the paging routines (ROM0, 82 bytes from ... a copy of the paging routines and the entire ... Loader option (or loading from 128k BASIC): every program works.
... to BASIC.
Also, some notes about the paging routines ...So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
... the reverse i.e. 48K basic to 128K.[/quote]
It ... , however, don't lock the paging when using SPECTRUM. Using USR ... machine into 48 Basic mode, but leaves the paging enabled.
Basic as long as paging is still enabled ...c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... trying to load into the paging routine.
[code]
Bit 0: Paging mode. 0=normal, 1=special ... are:
ROM 0: 128k editor, menu system and ... 128k syntax checker
ROM 2: +3DOS
ROM 3: 48 BASIC ...c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... (48k rom) to ROM1 (128k syntax checker). RAM banks stay ... br />
Bit 0: Paging mode. 0=normal, 1=special ... are:
ROM 0: 128k editor, menu system and self ... 128k syntax checker
ROM 2: +3DOS
ROM 3: 48 BASIC ...ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... is write only, the +3 BASIC maintains a variable, BANK678, ... Port 1FFD
Bit 0: Paging mode. 0=normal, 1=special ... are:
ROM 0: 128k editor, menu system and self ... 128k syntax checker
ROM 2: +3DOS
ROM 3: 48 BASIC ...
