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How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…
... program becoming corrupted on returning from a m/c routine which ... registers or memory locations when calling a m/c routine from BASIC ... -
BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…
... boxes that expect a value from the user can accept ... ATTR). Any that require a string input should have a checkbox ... *nothing* that can prevent you from getting out.
Added the ... (faster than an expression) and memory location bytes, words and DWords ... -
Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... game I have 40K available from 6000h or am I completely ... /> If so, what are the memory areas available for 16k and ... -
Pentagon interface news from VELESOFTIt's from Xagon's board. It is about new interface for Speccy - it make Your comp compatible with Pentagon (and not only) and also it gives You up t…
It's from Xagon's board.
from Pandora.cz.
... version expands the ZXS 128 memory to 512kB,
...
- Pentagon 512kB mode (all memory is fast)
Higher RAM ... which loads .TRD file from CD or compact flash card ... -
Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
... why the Spectrum's video memory has such a strange layout ... it easier to address video memory. I also understand that the ... to limited memory. But where does the line organisation come from, that ... -
what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... some extra bits from port 7FFD for extra memory pging:
- for ... using those bits for extra memory switching and if it happen ... of a memory bank number, by combining bits 0-2 from port ... any established port for extra memory, other than the Pentagon road ... -
String slicing for UDG definitionHey everyone. Got a bit of a string slicing/string to variable conversion problem. 10 let a$="01100110" 20 let pokevalue=???? What expression do I…
... a bit of a string slicing/string to variable conversion problem.
from 0 to 255 (i.e ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... /> Quick context menu string formatting for word wrapping ... /> Multifunctional Watches - watch memory addresses, variables, expressions, sysvars ... direct to memory or extract the BASIC from it
String formatting - right click a string and get programmed ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... /> Quick context menu string formatting for word wrapping ... /> Multifunctional Watches - watch memory addresses, variables, expressions, sysvars ... direct to memory or extract the BASIC from it
String formatting - right click a string and get programmed ... -
Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…
... bytes high from the screen to an area of memory.
from screen to store)
ldir
; Copy from store to the screen
a few dumb questions from a new memberHi all. I've just stumbled across this forum after discovering my kid brother carbooted our shared-as-kids 48K spectrum five years ago. I have a few …
... I keep getting an 'insufficient memory for sound' warning. Is this ... native OS9? Having to reboot from a new system folder each ... was a kid but my memory fails me.
Any ...128K memory testingDuring a mad half hour I decided to write a little memory tester program in BASIC using the information from the 48K service manual. Now I was wonder…
... a little memory tester program in BASIC using the information from the ...Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…
... the original sinclair memory board to make it 48k from 16k. Any ... to get the ram chips from. Anyone got any ideas? Cheers ...Install Linux to Memory Card(MMC/SD etc)?For anyone that knows, would it be possible to install Linux to a Memory Card? My new PC has a card reader that supports SD, MMC, MS, SMC, CF and MD…
... to install Linux to a Memory Card?
My new ... i'm able to boot from any of these removable disks ...Vague memory of a gameHi all, something's been bugging me on and off for ages. I once had a speccy game that I can't remember the name of. Sadly I can't recall many of the…
... had to keep each country from nuking each other. The game ... a bit hazy, but my memory isn't what it was ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... that draws plot graphics into memory buffers from which SP1 can read ... store many lines in a string, with each line terminated ... test is the "32 column" string being printed at random locations ... test shows a multi-line string being separated into individual lines ...Memories of childhoodWalking home today in the warmth of the summer sun, I got to thinking of more than one merry childhood memory from the summers that seemed endless at…
... more than one merry childhood memory from the summers that seemed endless ... magnet, tying it to a string, then putting a pile of ...Reading digitized data from the DivIDE......MB02 or any other IDE interface with cf, cd, sd or an hd connected to it. What would be the best route? I don't know if there's a size limit for …
... data from the inserted media and create a small buffer in memory ...One Liner - Machine CodeHi Dr. BEEP, Digital Prawn, et. al., I think that what you guys have achieved with the one liner contest is absolutely amazing. It brought about wh…
... could have dreamed of. Apart from my early submission (SNAKE), you ... "runner" which loads bytes into memory and then runs a resultant ... length of the machine code string in ASCII format.
from here:[/B][/color]
[url ...Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... a problem with the high memory of a 4B issue.
memory and one of them was ... changed the wiring for the memory settings from OKI and H, to ... />
If i insert the memory from a working speccy (with the ...ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... for tokenising/detokenising a whole string on the popupmenu. Basically ... BASin, either directly into memory or translated into BASIC. ... into the DATA stream from the new Binary system.< ... (Klaus Jahn)
Fixed - Saving string arrays could be problematic - it ...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…
...
twice the amount of memory than can comfortably fit. While ... ! All this
is hidden from the processor by the hardware ... the processor) always 'sees' the memory as 16K of
ROM ... program to "disconnect" the ROM memory completely and to write to ...Looking for an extended BASIC graphics routine from mid- to late-80sHello all, This is my first post here so please go easy. This is basically a cut-and-paste job from comp.sys.sinclair where I've had no luck with an…
... have a more extended collective memory, so here goes.
from a typed-in BASIC extender ... of my favourite routines came from Your Computer magazine, so it ... really could be from anywhere.
If anyone ...BASIC: Fast way of filling a string?Recently I decided to use string slicing to extract random numbers from a sequence in the one-liner Lottery picker: [quote] 20 RANDOMIZE : LET a$=""…
... decided to use string slicing to extract random numbers from a sequence ...So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
... /> Place the code anywhere in memory where you can and make ... start;"as"
The string after the USR holds the ...
CALL #2BF1 ; fetch value from stack
EX DE,HL ...Utility to read/write to memory cards formatted for +3EThis post comes from [url=http://www.worldofspectrum.org/forums/showthread.php?t=25658]this thread[/url]. I've released a small command-line utility…
... utility that can read files from a memory card or HDF image ... , and the opposite: get files from your ... GUI for handling +3E formatted memory cards without having to deal ... added upon writting to the memory card /image disk.
- Can ...help in making a tzx file from standard speedIn short, I want to create a tzx file from the original Navy Moves & Army Moves compilation, giving that the one in WOS archive has an error on Army …
... to create a tzx file from the original Navy Moves & ... , so I want to benefit from it.
Ok. I ... RAW size of file in memory: 406688 bytes
Creating 1 ...Spectrum +3 suspected memory faultHi, I've been using my +3 for the first time in a while and found that some games have problems with the display becoming corrupted and sometimes cr…
... of Power Drift, one from disk, one from tape, and both behave ... problem with one of the memory chips used for the extended ... 128K memory. I've tested the first ... way to determine if the memory is at fault, and which ...Spin Assembler DirectivesLeading on from [URL="http://www.worldofspectrum.org/forums/showpost.php?p=402514&postcount=65"]jp's recent post in Spin 0.7 Public Testing thread[/U…
Leading on from [URL="http://www.worldofspectrum.org ... B]
ALIGN n ;Pad memory with zeroes until 'address mod ... literal bytes, numerically...
DEFB "string",... ;or as strings...
DEFB ... a,"string",b,... ;or both.
< ...
