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Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... the PRINTER BUFFER!!!
Then system variables as you said, which end ... in 48K mode, and by system variables in 128K mode. I wonder where ... the printer buffer was in 128K mode ... -
Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... Buffer at all on the 128K Spectrum which is why it ... the buffer is after the system variables in the printer channel(s ... see that the program and variables will slide about in memory ... the default setup with the system variables following the screen memory at ... -
screen$I'm wanting to create a game which is written mostly is Basic, due to lack of MC skills but i need a MC routine if someone would kindly supply it I…
... for the BASIC program and system variables. As a rule of thumb ... (making full use of a 128K machine is another kettle of ... [url="http://trd.speccy.cz/system.htm"]some Russian ones[/url ... -
A deeper exploration of the SpectrumI've been reading a lot of posts in the BASIC and development forums and they've really intrigued me. Although my knowledge of the deeper working of …
... up especially when moving from 128k to +2a/+3).
system variables.
They'll also ... -
What should I get??I want to add a Spectrum to my collection but having come from the Atari/Commodore/TI/Apple world, I am a little unsure what to get? Something that …
... could compress 48K and 128K games to fit even ... button (Auf Wiedersehen Monty 128K is the only one I ... directly pokes the +D's system variables).
If ... , as it can play 128K software, it has the ... building your own +D system? If you're technically ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... liked the single key input system of the 48K), you couldn ... so much space in the 128K of RAM, or he could ... the printer buffer and the system variables in BASIC, but they could ... -
Programs detecting Spectrum modelsHi. I'm curious about knowing how some speccy games detect if they are runnning in a 128k or 48k model. What tricks can be used to make this in a Spe…
... you have 128k enabled (a non-basic (hence not requiring system variables) version ... -
Some things I bet you didn't know about Microdrives...Quote: This can be attached to any 16k, 48k, & 128k Spectrum Computer, it always for increased performance, and more detailed BASIC code. The Micro …
... . It is true that the system (and this is an Interface ... designed Spectrum 16K, 48K and 128K. The BASIC is enhanced e ... games never materialised as the 128K machine had faster RAM drives ... makes use of the NMI system variables NMIADD but no Sinclair hardware ... -
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…
... so that you can have variables or equations as parameters.
system variables area) and HL' (for some ... +3, although info on the 128k memory model in particular would ... -
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…
... ] in Speccy is divided. Spectrum 128K also has only 48K available ... ] use the Printer Buffer and System Variables area, they are just not ... and if you want the 128K) are named as such.
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... regular ram with all the system variables and with a lenght long ... /> Because moorhunn.wav is a 128k snapshot it makes things a ... , the program counter (PC) and variables will be intact when loaded ...48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... which just loads over the system variables.
It would be ... remember my Short Circuit tape (128K side) wouldn't run on ...alternate BASIC ROMI've come up with a few patches to the standard ROM to make it use the 128 shadow screen by default. The ROM is reorganised as follows: RAMTOP is se…
... 0xbfff. However, since the system variables are moved down to ... ROM only (but on 128K hardware) or does it ... side-by-side with the 128K ROM?[/QUOTE]
128K hardware. It is not ... buffer to store additional system variables and uses RAM page ...Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... this by setting all the system variables to the desired values and ... USR 0 mode has the 128K features (sound and extra memory ... code that will drop the 128K Spectrum into USR 0 mode ... of code to drop the 128K into USR 0 mode and ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... programs can't, like the system variables area, the BASIC program area ... />
It does not test 128K RAM.
Once one ...Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... of any difference between the 128K's serial port and the ... reading a value from the system variables. The comments in my patched ...Elite +3This is a patched version of ELITE that saves commander data on +3 disks (and +3e hard disks) and of course loads them back. Commander names can only…
... "spoiled" is the original Elite 128K that I downloaded from WoS ... 6 a copy of the system variables plus the code that deals ...Old peripherals on the Spectrum +2I have a Wafadrive and an Alphacom 32 (ZX Printer clone), neither of which work in 128 BASIC, but both of which work flawlessly when you run them in …
... buffer which contains the new system variables.
However some programs ... to a ZX Printer in 128K mode.
I think PSSST ...Thunderbirds (by Firebird) on 128k SpecciesHi all. Anyone got Thunderbirds working on a 128k machine (+2) ? On WOS there is an original TZX and a Z80 snapshot in 48k mode, but you cannot run …
... out, then load back on 128k machine :)
and here ... 48K spectrum and extra system variables on a 128K model (zeros and non ...Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…
... places (it's not a 128K Speccy!).
The first ... is running, there are some system variables stored just after the screen ...Professional Adventure Writer +3Hi everyone. I've got a collection of old PAWs adventure files on +3 disk that I want to be able to have a look at to see if there's anything that c…
... which could handle 48K and 128K SNA and Z80 snapshots?[/QUOTE ... the system variables and bank 7 as it pleases. Loading a 128k snapshot ...+3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…
... fixed it for the +3/128k mode. The error code is ... for, though. The other flags system variables have unused bits on the ...Return to +3 BASIC from 48K mode.Hello Spec-Chums! I don't know if this trick has been posted before, if it has, i apologise, but i have not been able to find it. Anyway, here goes…
... found that provided the new system variables in the former printer buffer ... way back to 128K BASIC on the earlier 128K machines.
Return to +3 BASIC from 48K mode.Hello Spec-Chums! I don't know if this trick has been posted before, if it has, i apologise, but i have not been able to find it. Anyway, here goes…
... found that provided the new system variables in the former printer buffer ... way back to 128K BASIC on the earlier 128K machines.
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... Amstrad models of the Spectrum 128K to recieve modified .SNA and ... to 29951 to avoid the system variables and BASIC program area.
system functioned. I have a test ...Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... be applied to the 128k games, but I'm ... not sure if 128k models are capable of ... boot the image avoiding the system variables and BASIC area.
... able to snapshot the entire 128K memory map.
128K model uses 23296 to 23733 ...Stopping the loading messages...Hi Folks, As you know, the ZX BASIC kindly reports the program, bytes or data that you have loaded on the screen. To stop these appearing I was thi…
... space for it's own system variables then those pokes won't ... would be to query the system variable CHANS (23631) to find ... seems to be compatible with 128K models.Faulty Interface 1I bought a 'tested' Interface 1 on ebay the other day. Aside from the previous owner 'cleaning' the contacts with WD40!!! (bad, bad, bad eeurrgh :rol…
... will still natively work in 128K BASIC - you don't have ... enter the following commands from 128K BASIC after the machine has ... memory for it's own system variables: 41470 - 41412 = 58
Empire! Help neededCan anyone convert the listing in the Tipshop to Multiface pokes? Im having a hard time with this game, over 15 years playing it, now I could do wit…
... in 128k mode, as it overwrites the printer buffer and system variables.
128k models, as the I register ...
