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Converting 50ths of a second to hours, minutes and seconds...Hi Folks, I have written some code to convert the interal Spectrum clock from 50ths of a second to hours, minutes and seconds. The following code s…
Bear in mind you need to be careful when PEEKing the timing system variables, since it's entirely possible the value will change midway through reading them, causing you to read two halves of two very different values. -
Converting 50ths of a second to hours, minutes and seconds...Hi Folks, I have written some code to convert the interal Spectrum clock from 50ths of a second to hours, minutes and seconds. The following code s…
... careful when PEEKing the timing system variables, since it's entirely possible ... -
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 ... -
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 ... -
compressing basicI thought I'd ask here instead of the basic forum.. in the sense of giving me 1 command line, and NOT the whole listing joined up etc. and it uncom…
... and set up the various system variables to make it work.
system variables were set).
Essentially ... -
compressing basicI thought I'd ask here instead of the basic forum.. in the sense of giving me 1 command line, and NOT the whole listing joined up etc. and it uncom…
... area from 23552 (start of system variables) to RAMTOP to sequential chunks ... -
compressing basicI thought I'd ask here instead of the basic forum.. in the sense of giving me 1 command line, and NOT the whole listing joined up etc. and it uncom…
... DE,23552 ;DE=start of system variables
25623 1 0 8 ... HL,23552 ;HL=start of system variables
25653 1 0 8 ... -
ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…
... got that out of your system read what I actually wrote ... .
23675 is a System [B]Variable[/B] (the clue ... quick read up on these System Variables, they are a mine of ... -
Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... answer by PEEKing the 'PROG' system variable (see [url]http://www ... also have to tinker with system variables so that it knows it ... : block spanning the screen memory, system variables, program data and 'currently executing ... -
Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... block, you probably saved the system variables as well.
Try ... -
Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... saved from 23552 (start of system variables) to RAMTOP. Restoring this will ... will have either lost the system variables or the machine & gosub ... 's your program, minus any variables that might have been saved ... -
Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... 've heard of your Spectranet system. I might just take you ... interrupt and killing all the system variables?
EDIT:
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…
... 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…
... "P RAMT" is the last system variable at location 23732. I ... boot the image avoiding the system variables and BASIC area.
system varaibles for a 48K range ... micro-drive then maybe the system area could be minimised to ...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…
... loaded into memory avoiding the system variables. Now the tricky part is ... directly after the attributes (the system area). Runs of 32 BYTES ...Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve
... !
[CODE]; Labels
; System variables:
PROG equ $5c53 ; Start ... ; Start address of the BASIC variables area
; ROM calls
variables
ld de, (PRG_LEN) ; area ...New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... quick explanation of the compression system:
As many of ... first 6912 followed by the system variables at 23296. As I am ...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 ...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…
... :p[/QUOTE]
to system variables, which are rock solid placed ... /> i saw another poke to system variables which has same effect but ...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…
[QUOTE=Fikee;493282]to system variables, which are rock solid placed ... /> i saw another poke to system variables which has same effect but ...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…
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
[QUOTE=Crisis;501350]check the 'system variables' or 'sysvar'
i dont know were the list on internet is.
[/QUOTE]
It's here:
[url]http://www.worldofspectrum.org/ZXBasicManual/zxmanchap25.html[/url]
D.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…
... going to clobber the standard system variables area this time by allowing ... library which use the BORDCR system variable. I'll be using ... my own equivalent of the system variables needed just for the game ...Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
... ]update the UDG or CHARS system variables[/url] to point to those ... bytes. With the UDG system variable, you're still limited ...
