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Peeking the contents on screen? How?You will have to forgive me for growing up on the C64, but I know I can peek the location of a character (1024 is top left from memory) and the peek …
... />
32768-65535 is the remaining 32K of RAM.
PEEK memory without corrupting anything. At startup ... use any memory address above that to POKE and PEEK whatever data ... -
CronosoftI ordered a few Cronosoft games a short while ago and they arrived today. Although I've only played the games in question (Egghead III and Rough Just…
... available is all down to memory remaining, which is displayed in bytes ... the menu screen. Of course, memory is used up in defining ... fewer sprites/graphics frees up memory for more rooms. -
Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…
... of code with very little memory remaining, but it's fixed now ... -
Jonathan Cauldwell writes.I also found this in me old archives, which was actually written by Jonathan Cauldwell. Again, typos and editorial tags included for authenticity ;-)…
... written. If there is any memory remaining, novel high-score name entry ... -
New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…
... levels. The main one is remaining RAM. I'm not using ... ). It's an inefficient format, memory wise, but very easy to ... 's less than 1K of memory remaining after this. The vast majority ... -
New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…
... I ran out of available memory in the main 48K address ... to my inefficient use of memory. :D
Who knows ... .
I have 7K memory remaining in the sequel I am ... -
New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…
... around 100 bytes of free memory remaining. So, I just stopped creating ... /> This will demand a more memory-efficient re-write of the ... gap in upper memory (in the SP1 library memory map) where I ... -
New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…
... to free up more memory by juggling things around ... draw and does save some memory as well. (The ... the amount of free memory remaining and may turn out ... only a minimal increase in memory usage.
... to avoid running out of memory. Still it's really ... -
New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…
... enemy sprites into the available memory. Memory was in the end, not ... having them in upper memory, but if memory is an issue (as ... was left with around 8K memory remaining after the game was completed ... a little over 1K of memory remaining. This may be handy for ... -
Beginner questionThis might sound and be daft.... I've just been reading J Cauldwell's "how to write a Spectrum game" but was thinking of writing something in C as I…
... can set up them for memory areas, though, so you won ... need inline assembler to POKE/PEEK memory (if you need this for ... -
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... /> run the simple poke and peek memory test, but not all of ... the memory was seen. Also occasionally a ... !!!
Tried to run the memory test that ZORN linked to ... -
Need help with a sort of Turing Test programI've not had much luck trying to find Basic how to's about Arrays, Strings what modules can allow for a program that accepts input text and appears t…
... type-in called "Smalltalk". From memory it would be exactly what ... name/listing though :/ (and my memory remaining correct for thirty-something years) -
POKE, PEEK and RANDOMIZE USRAnyone got a store of useful POKES, or RANDOMIZE USR statements with interesting effects? As a start, try anything from RANDOMIZE USR 1216 to RANDOM…
... probably, PEEK) once which would display the total amount of memory available ... -
Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …
... come up with the actual memory address where the variable's ... be faster to PEEK/POKE values at an absolute memory address instead ... -
List of POKEs and PEEKs/cool memory addressesI was wondering if there was a list of cool memory addresses to POKE and/or PEEK. For example, I know that PEEK 23674 tells you how long a Speccy has…
... memory addresses to POKE and/or PEEK. For example, I know that PEEK ... Spectrum ROM Disassembly', but for memory addresses instead of assembly routines? -
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…
... problem with the high memory of a 4B issue.< ... OKI chips for high memory and one of them ... the wiring for the memory settings from OKI and ... When using the PRINT PEEK 23732+ PEEK 23733*256 the result ...
If i insert the memory from a working speccy (with ... -
Error Message on memory testI have just tried PRINT PEEK 23732 + PEEK 23733 * 256 on what I think is a 48K rubber key machine and instead of getting either (a) for a 48k unit…
... just tried
PRINT PEEK 23732 + PEEK 23733 * 256
Is this indicative of screwed memory ? -
Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…
... lost it's whole upper memory. It's worked okay, but ... also upper memory problems. So i wrote PRINT PEEK 23732+256*PEEK 23733 ... and got result 32767. This mean that upper memory ... .
Where is my upper memory? -
Spectrum 48K - upper memory MIAI have recently acquired a ZX Spectrum which, according to the sticker on the bottom, should be a 48K model. It's an Issue 3 board, with upper memory…
... Issue 3 board, with upper memory chips (8xTI4532) and supporting logic ... not see the extended memory. PRINT PEEK 23732 + PEEK 23733 * 256 returns 32767 ... . PRINT PEEK 23733 returns 127.
... -
Spectrum 48K - upper memory problemsHi I have a ZX Spectrum 48K issue 3B which does not see upper memory. On PRINT PEEK 23732+256*PEEK 23733 i got result 32767. POKE 32768,85 and PRINT …
... see upper memory.
On PRINT PEEK 23732+256*PEEK 23733 ... POKE 32768,85 and PRINT PEEK 32768 gave result 95< ... POKE 32768,170 and PRINT PEEK 32768 gave result 170< ... 32768,0 and PRINT PEEK 32768 gave result 10< ... br /> PRINT PEEK 32769 and above (to ... -
WOM Memory Signetics 25120 Series 9046NHello, here: [url]http://www.ti.com/ww/en/bobpease/assets/www-national-com_rap.pdf[/url] at pages 128 und 129 you can find information about a very …
... information about a very usefull memory that unfortunately is not (more ... dependence of the "Number of remaining pins" from the "Number Of ... -
Read Data from memoryHi there. Not been on this scene for a long time. Does anyone know how to do a routine to read data from memory(peek..etc) rather than using lines of…
... routine to read data from memory(peek..etc) rather than using lines ... -
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... />
Ran the memory test
PRINT PEEK 23732 + PEEK 23733 * 256
PEEK 32805
I get ... run POKE 32805,170 : PRINT PEEK 32805
I get ... -
48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …
... 0 to 16383 - Read Only Memory
16384 to 22527 - ... br /> 23755 to 65367 - Available Memory
65368 to 65535 - ... by running '[code]PRINT (PEEK 23730+256*PEEK 23731)[/code]
... area '23755 to 65367 - Available Memory'
Also what ... -
Upper memory not available in issue 2A friend send me his issue 2 Spectrum for diagnosis. It boots okay but for some reason won't load games over 16kB. He sent also a Smart Card with int…
... ROM, which failed the upper memory RAM test, suspecting IC25 and ... />
I did the print peek test and got either 32763 ... high to enable the upper memory and under which conditions? Any ... -
128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
... stupid.
The 64k memory space is divided in four ... , no way to page in memory there. Second chunk is "lost ... . Third is fixed to usable memory. Fourth is the bankable chunk ... the always-resident memory (the fixed 16k + the remaining space from the ... -
Help with a TIMEX TC2048 and memory problemBought a 2nd hand Timex TC2048 but unfortunately I detected a problem with the machine which is preventing it from working properly. I believe it …
... typed the command PRINT PEEK 23732+256*PEEK 23733 and the result ... , placed sockets, inserted new memory chips and the result is ... br />
Is this a memory addressing problem? The machine doesn ... 't "see" the memory?
Where should ... -
16k and PEEK 40000 (on a real 16k Spectrum)?Imagine a real 16k Spectrum (without any RAM expansion or circuits fitted). What would I get if I do a PEEK or try to access memory over 32767? Wo…
... I do a PEEK or try to access memory over 32767?
memory (would it be different if ... -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... common knowledge that the extra memory was inaccessible; it was only ... chip was the ROM. The remaining chips were unconnected.
remaining 16K are being used or ... when doing POKE's and PEEK's to ROM space to ... -
Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
... RAM chip without using the peek/poke routines? (with a ... />
But I think the memory is interleaved, so I'm ... in half to the lower memory bank and see if ... then, you can now PEEK+POKE to make sure they ... test on each of the remaining 8 until you know which ...
