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Switch from 128k BASIC to 48k BasicHello, Is there a way to start off running a program in 128k basic (so that you can use the ramdisk facilities) but then switch back down to 48k bas…
... way to start off running a program in 128k basic (so that ... facilities) but then switch back down to 48k basic before you run ... suggestions but once I switch down to 48k basic the program stops ... -
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…
... year I started writing a BASIC program for making and ... could help me fix the BASIC program, I'd be ... />
[b][u][u]BASIC listing:[/u][/u][/b]
off(0!)
325 LET ... to record 0 to end/switch off record feature
350 ... -
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…
I 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 in 48 basic and switch to SE BASIC then show basic incorrect. Why ? -
+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 …
...
This routine reset DIVIDE paging port and disable system.
If any code switch +3 basic to USR0 mode (SPECTRUM command ... from 48basic to +3 basic we need as first disable ... active and switch off true allram 16kB mode on DIVIDE (switch off any ... -
WiP New Utility TAPonDSKThere are a few utilities that transfer tape contents to +3 disk but most, if not all, require manual intervention to change the loader and/or rename…
... utility which decodes the basic loader and attempts to ... REM statement which turns of paging before launch.
... additional file just rename the basic loader to DISK
| ... the BASIC loader and rest of code following.
| -b switch off ... -
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…
... since you're returning to basic you have to be careful ... Z80CPU. And IN #1FFD for switch off turbo (3.5MHz mode). Real ... value). If you disable memory paging(OUT 32765,48 ), 128 port ... -
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 ... ident:
defb "SE" ; SE BASIC identifier string
; ... unstack HL
ei ; switch on interrupts
ret ; ... repeat
ld bc, paging ; 16-bit I/O ... -
Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS) -------------------- In the +3, we have crammed in more than twice the amount of memory…
... using a process called
paging - BASIC (and the processor) always 'sees ... /> combination is never used by BASIC[/B]).
---------------------
So ... KB of memory with proper paging?
I always believed no ... -
Switching peripherals on and offis there a way in which i can add a switch to switch off peripherals and switch another one on i.e. Multiface, DivIDE etc? Can i add it on the NMI o…
... i can add a switch to switch off peripherals and switch another one on ... want to have to switch the Spectrum off.
I have ... -
Bug on Cronosoft's Dead or AliveI can't believe this wasn't spotted before... I was recently puzzled to read a couple of reports of a bug on Cronosoft's Dead or Alive and as the pr…
... , imagine 50 pretty damn awful BASIC 'games' on one tape, each ... , 3 seconds to play and switch off.
Sort of like the ... -
EightyOne 0.43Hmmm, 'twas round about July I fell asleep and only came round t'other day - honest gov! Anyway, I thought I'd better whip out a quick release and p…
... setting the EPROM write-protect switch off - however, I can't get ... ...[/QUOTE]
DivIDE memory paging is a bit screwed up ... -
Ram Turbo InterfaceHi all, Can any one tell me if the Ram Turbo Joystick Interface is compatible with Kempston Joysticks? Or are both the Joystick ports Sinclair 1 and…
... To select PROTEK mode first switch off your computer. Connect your joystick ... joystick and keeping it depressed, switch on your computer. As ... , you will have to switch off and re-load your software ... mode.)
BASIC LOCATIONS TO READ
Left ... -
Platform Game Designer 2?I've started tinkering around with some code today and have decided upon a number of handy little features that it would be nice to have. For the li…
... for grabs. You could switch off the time bar or ... .
Some basic object handling code is in ...
It's pretty basic but hopefully should give users ... of empty space turns off gravity which has its ... particular sequence of beeps off as an action. That ... -
Did you have a 128k version Spectrum or only 48k?In the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20495"]thread[/URL] discussing extra features of 128k games it seems like it ofte…
... type these two lines of basic into it to check the ... - and if it wasn't switch off, wobble the pack around, blow ... dust off contacts etc....
We ... -
Did you have a 128k version Spectrum or only 48k?In the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20495"]thread[/URL] discussing extra features of 128k games it seems like it ofte…
... type these two lines of basic into it to check the ... - and if it wasn't switch off, wobble the pack around, blow ... dust off contacts etc....
We ... -
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…
... basic) and set 48 rom with enable 128kB memory paging. For switch ... from 128 basic to 48 basic you can ... SPECTRUM command (only switch to 48 basic without reset and 128kB ... cz/other/zx128rom-enable-paging-in-48-basic.zip[/url]
... -
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…
... basic) and set 48 rom with enable 128kB memory paging. For switch ... from 128 basic to 48 basic you can ... SPECTRUM command (only switch to 48 basic without reset and 128kB ... cz/other/zx128rom-enable-paging-in-48-basic.zip[/URL]
... -
How much ram has my ZX Spectrum?How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not. Thanks! Micky
... amount available in basic, being 38k.. if you switch off basic (change the $01 ... -
Playing AY sounds with BASIC.Is it possible? If so how? I've seen in one forum a while back mention of using interrupts to play but AFAIK this is machine code only. The goal of …
... /> They're different things for BASIC.
However ... br /> Playing AY music from BASIC interpreter - with interrupts - is ... channels digital music from BASIC interpreter however it takes ... />
Also remember to switch-OFF the music while loading from ... -
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 the ... /> Warning: I you use both paging ports 1FFD and 7FFD then ... -
Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …
... learn Z80 assembly language beyond basic level?
"Sinclair Spectrum BASIC programming", by Steven Vickers, 1982 ... maskable interrupts are switched off using the 'DI' ... follow... Interrupts are automatically switch off during this magic 'CALL ... -
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…
... ;496060]I use MB02 memory paging (ram 16kB instead 48rom) ... one OUT 23,xx can switch between original 48 rom ... write basic program in 48 basic and switch to SE BASIC then show basic incorrect ... QUOTE]
Because SE Basic is radically different from the ... -
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…
... , i can use 128 basic but not 48 basic, as exactly the ... don't have to switch to 48K BASIC to use it.
BASIC after the machine has powered ... your Interface 1 is not paging in! :( -
SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…
... command you need is to switch off sprite N.
You ... , I've not tried your BASIC yet. -
Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …
... />
The reason for OpenSE BASIC's relatively good compatibility is ... The step from finishing SE Basic to open sourcing it was ... excellent choice for using OpenSE BASIC. It maps the full ... SAVEing works without having to switch off 'tape traps'. Just save ... -
The zxodus engineI've been playing around with this for a couple of days now. Its one of the best things I've seen for sinclair basic, and I've seen nothing about it …
... code to switch off the engine (IM 1; RET) can corrupt BASIC unless ... -
What annoys you about SpecBAS?Ok, here's another direction for me to go in - I'm almost done with SpecBAS, there's very little left to add. So... What don't you like about it? Wh…
... /> - importfilter for bas files
- switch off
i have a ... OS route rather than a BASIC interpreter application as it is ... -
BRAND NEW VTX 5000 MODEMSI have for disposal a number of BRAND NEW BOXED PRISM VTX 5000 Modems If tou would like to add one or more VTX 5000 modems to your Sinclair ZX Colle…
... br /> press 7 to enter BASIC. Type LOAD"" then Enter. When ... telephone handset up, switch the VTX
5000 switch off line (up position ... green).
4.4 Send BASIC Program (Key 4). Border colour ... code
7F Hex for Basic program
Error Detection: Data ...
