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Changing BASIC loader in Chuckie Egg 2Hi, My aim is to include "PAUSE 0" event at the end of the loading of the Chuckie Egg 2 game. The reason is that I use emulator to load the game and…
... to actually edit the loading BASIC program somehow. I have found ... can see, there are 2 "BASIC" blocks, the first one (Program ... />
Then you get some BYTES header, then the actual screen ... Blockeditor.
The second "BASIC" block at the end of ... -
So... you want to format your 3.5" as 720K eh?Well, i've been trying to get hold of an application to make proper use of my 3.5" +3 floppy disks but i haven't been able to find any. I stumbled up…
... , we need to store some information on track0 ... BASIC
LD BC,16 ; The buffer is made of 16 bytes ... this is where we store our drive letter
BASIC
RET ; Return< ... -
New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... really useful in (re-)learning BASIC, so I've decided to ... /> di
ld (32900),hl ;store car posn
ld de ... hl,14000 ;source of random bytes in ROM
ld d ... most welcome. It's 168 bytes at the mo, but it ... for quite a few more bytes to be poked. The feature ... -
ZX80 Snapshot queryDoes anyone know why Z80 snapshots store some data as different values? I was initially trying to print the Outlet magazine Outdex files from Master…
... anyone know why Z80 snapshots store some data as different values ... of storing system variables, Spectrum Basic, etc, why would pure text ... that allows just a few bytes to be altered and moved ... -
So what about ethernet and ZX BASIC?Well, as of about 5 minutes ago, ZX BASIC for the first time properly wrote some packets to the network! OK, so it isn't perhaps 100% what Andrew Ow…
... about 5 minutes ago, ZX BASIC for the first time properly ... know how to use ZX BASIC.
At the moment ... />
Then the standard Spectrum BASIC keywords can be used for ... of Spectranet SRAM which accumulates bytes until something causes it to ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... to BASIC
Machine code programs are a series of bytes in ... store the attribute file address of the 'car' in some free bytes ... the computer choose where to store it, on its 'stack'
bytes (1 screen) down the attribute file.
ld (32900),hl ;store ... -
The ZX App StoreI was watching one of those iphone adverts and got to thinking Hmmmmm what if you could do something like that for the speccy. Ok heres the idea, if…
... in basic then you could upload it to the ZX App Store ... chance to show off your basic skills -
SCREEN$ and Sinclair Basic: Help Required !Two simple questions: 1) When saving SCREEN$, how can I avoid the bottom of the loading screen from being chopped off by the 'Start Tape & Press Any…
... />
2) When writing a BASIC loader to load back a ... loading screen is obscured with: BYTES: CODE plastered over it as ... -
Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... have a question regarding loading BASIC programs, that I managed to ... where ZX Spectrum 48k stores BASIC programs upon loading them. Does ... -
Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…
... /> I have a requirement to store and then redisplay a line ... $(1) will contain the 32 bytes of attribute data associated with ... that could be done in BASIC (i.e. a clever trick ... -
Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…
... otherwise slow to do from BASIC.
* find array 'a ... 'a' then]
. copy 'l' bytes from address 'a' to address ... can be calculated by the BASIC program; see lines 15 & ... -
storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…
... saved & loaded with the BASIC, as if it was in ... after the last line of BASIC, even though the m/c ... and doesn't need any BASIC to be typed other than ... parameters of a$(), total 32 bytes. The POKEs for VARS, and ... -
joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... to join together lines of BASIC. The vertical cursor motion code ... include a "dividing lines of BASIC" option as well - edit a ... 2nd line number & length bytes
inc hl ;with spaces ... -
more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…
... once in situ (done in BASIC here, but in practice it ... in an array), plus 4 bytes for each place marker and ... :
REM calculate & store the DATA parameters
LET ... -
How much space does a number take?Hi Folks, Could someone please remind me how much memory a number takes up in a BASIC listing. For example, if you had: [CODE]100 LET a=3000[/CODE…
... number takes up in a BASIC listing. For example, if you ... /> 5 bytes to store the floating point number
4 bytes to store each ... in total it requires 10 bytes?
Many thanks
Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... , but sometimes a few bytes higher. I also found ... case. I even left BASIC programs running for a whole ... initialise the rest of the BASIC environment.
... any fault by testing from BASIC.
I ... telling the RAM to store 2 in all locations.< ...Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
...
jp 56 ; exit via BASIC interrupt handler
blit ... incbin "screen.bmp" ; 6144 bytes of in order bitmap
incbin "screen.atr" ; 768 bytes of attributes
... /> sp_cache
defw 0x0000 ; store cache
org ...Store and restore attribute valuesI am needing ideas on how to write a machine code routine that will store/restore (more important to restore) attribute values to the 22528 area. I …
... machine code routine that will store/restore (more important to restore ... /> I am only wanting to store/restore a 16x16 section i ... ,16 area of screen, 256 bytes I think?!
I ...OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... with routines borrowed from SAM BASIC (thanks to Andrew Wright) ... (this requires replacing the BASIC ROM and patching the editor ... set the permanent attribute), MOVE (BASIC wrapper for the LDIR block ... freeing up an extra 168 bytes for BASIC or your own code ...Copying Files in +3e BASIC (not using COPY command)Hello there my fellow WoS'ers Yet again I find myself in need of guidance, I am sooo close to getting my prototype up. I am writing my own byte cop…
... PRINT "End of file "; count;" Bytes Copied" : STOP
1060 ... LET count = count + 1 // INCREASE BYTES COPIED
1090 GOT0 1020 ... something like this under +3e basic?
thanks for ...More RAM for BASIC (ZXSE required)Ok, here it is: [url]https://dl.dropbox.com/u/15659782/48KBASICSE.zip[/url] Use it as an IF2 ROM with a ZX Spectrum SE. It's a version of the 80x2…
... bytes free. That's more than 47.5K available for your BASIC ...space available in bytes - questionHi, question: - if i create a *.txt file in pee cee: if empty it will show 0 bytes if i put text "abcde" it will show 5 bytes if i put texte (in 2 l…
... empty it will show 0 bytes
if i put text ... "abcde" it will show 5 bytes
if i put texte ...
it will show 7 bytes.... i count 5, what are ... of it is for the basic commands, they have to me ... "
will it be 16 bytes ?? Both memory and in tape ...multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…
Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width isScreens and BasicA question about the ZX screens. I am using software to convert my own art and drawings to the ZX Spectrum. I have some tools to change .jpg files in…
... files the speccy finds a "Bytes: so and so" and so ... you know any trick in BASIC to load such a "byte ...Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... variable, but at its most basic we have a 2K block ... stored as 256x8 bytes, or 8x256 bytes (i.e. 8 bytes at a ... also, if you prefer, store two bytes per character to give a ...MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... call NOTRAP to restore BASIC:
REM To ... ; MOVE_M moving object control for BASIC
; runs with interrupts ... ; exceptions are dealt with from BASIC
; object properties are ...
DISPLEN:equ 15 ;bytes in a DISPLAY row
dumping protected BASIC loadersI wrote this a few weeks ago but forgot to post it. It will load & list from tape/TAP/TZX any BASIC program which has been saved with SAVE, including…
... : IF PEEK bytes THEN PRINT "not a BASIC program header": ... STOP
6 FOR a=bytes+1 TO bytes ... DE,???? ;DE= number of bytes
LD IX,$7530 ; ... 30000
CALL $0556 ;LD-BYTES
RET
[/code ...New from Paul Farrow, the ZXC4This is exciting stuff!!!! Sorry if ive stepped on your toes Paul, wanted people to hear about it!!! [QUOTE]Hi I?m happy to announce the release o…
... a single cartridge to store over a 100 games ... can write to all 16384 bytes per bank (the ZXC3 ... only write to 16320 bytes out of every 16384 ... It becomes possible to store each of the original retail ... used to extend Sinclair BASIC with completely new commands.< ...
