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Help with Snake type game...any ideas ?Hi all I've attached me trying to write a snake type game. My first concern is me not writing over the System variables area. I'm pretty happy what i…
... loop takes 32 secs to fill the screen, as opposed to 131 secs ... (l):
FOR a=1 TO l: LET a(a)=a ...
9994 FOR a=l TO 1 STEP -1:
LET ... )+1: POKE 22528+a(b),32:
LET a(b)=a ... -
How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... of the main system font (32 (space) to 127 (copyright)) are referenced ... probably the best way to start is to copy the font from ... (252*256) through to 65279. But remember to POKE the system variable ... . Everywhere. (POKE it back to 0 to change it back).
< ... -
BT's free call blocking serviceI just discovered this by accident. BT Call Protect is free and block's calls that are on either BT's own blacklist of nuisance callers or on your ow…
... Jason Statham. I used to just say nobody here ... trips, and a loyalty to whichever hotel they were supposed ... you you're eligible to claim Mr. Asoms rooms ... since he seems to be no longer available ... The wife then proceeded to string them along for as long ... -
BT's free call blocking serviceI just discovered this by accident. BT Call Protect is free and block's calls that are on either BT's own blacklist of nuisance callers or on your ow…
My line is often to string them along for a bit, ... alarm company rang up wanting to fit a fire alarm. ... via wifi). They asked me to turn on my computer, ... and I was actually about to leave the house and could ... not be bothered to play with them...
... -
Other than Games, coding and demos what else have you done with your Speccy?Someone posted an auto workshop in Poland where they were still using a C64 to drive a machine used for wheel alignment :) It was caked in dust which…
... expansions, I used mine to control a floor rover robot ... programmed the Spectrum to use the uSpeach to announce a message ... /> I used my Alphacom 32 printer to print all kinds of things ... simple logging / monitoring system to try to trace an intermittent fault ... -
Other Retro SystemsHello, I registered for one of the Amiga forums today and noticed one or two WoS users were on the site. Out of interest, do you frequent other re…
I signed up to the Dragon 32 forums to try to work out how to get my Dragon going [i](err.. fnar?)[/i]
They're very friendly there, though there seem to only be about 20 people. -
Other Retro SystemsHello, I registered for one of the Amiga forums today and noticed one or two WoS users were on the site. Out of interest, do you frequent other re…
... "]I signed up to the Dragon 32 forums to try to work out how ... to get my Dragon going ... friendly there, though there seem to only be about 20 people ... -
Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…
... that there's no limit to string length etc), much more screen ... -
Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... use of the string slicer in particular to pre-define and pull ... questions:
. Is LET i$( TO )="string" semantically any different from LET ... landscape as a multidimensional string array as opposed to a very simple ... -
Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... patters;952023"]. Is LET i$( TO )="string" semantically any different from LET ... i$()="string"?
. Why do you ... as a multidimensional string array as opposed to a very simple ... you could construct just one string for the landscape in ... -
Games from the loft.Hi all, I've been going through my collection as my house is now bursting at the seams from the stuff we have hoarded over the years. I need to tr…
... retro books I'd like to donate to a good home / collector ... [/img]
The Dragon 32, How to use and program. ISBN 0 ... /> The CBM books would need to be seperate for another £5 ...
You are welcome to determine the postal type if ... -
ShortagesWhile there are some more serious shortages in the UK (eg. of fuel due to panic buying), some of the following seem very inconsequential to mention: …
I wasn't being serious, I just liked to string two almost identical words together. Maybe I should have added a smilie. -
ShortagesWhile there are some more serious shortages in the UK (eg. of fuel due to panic buying), some of the following seem very inconsequential to mention: …
... being serious, I just liked to string two almost identical words together ... petrol station. Major missed opportunity to calm the panic,[b] if ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
What is it supposed to do if the row won't become 24 and column is 32?
Jump to a specific part of the code? -
New Functions for Sinclair BasicA total of 52 new functions can be added to Sinclair BASIC; 26 numeric functions (A-Z) and 26 string functions (A$-Z$). Owing to the internal structu…
... the numeric functions are restricted to dealing with 8-bit numbers ... hex string ("0000"-"FFFF")
[i]posint8[/i] = 8-bit positive integer ... FN V(y,128),64)/32)=2)+(16 AND INT ( ... (FN V(b,128),64),32),16)/8)+STR$ INT ( ... L$(l$)=CHR$ (CODE l$)+(32 AND CODE l$>64 ... -
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…
...
The string after the USR holds the card to print.
OR 32
LD B,3 < ... -
checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…
... I suggested converting numbers to binary held in character ... loop to build a binary number in a string, and ... that's the longest integer which the Spectrum ... of displaying numbers up to 32 digits long in ... br /> For example, to convert 12345 to a 16-digit binary ... -
Poking a string to memory...I'm looking to poke a string of characters including colour control codes to memory, I'm currently doing it by hand: 16,2,19,1,22,1,1,144 That equa…
... looking to poke a string of characters including colour control codes to memory ... ,144
That equates to graphic 'A' in bright red ... do it by poking a string such as A$? -
Overflow Detection while Scanning a Number from a StringI've got some strange behaviour from a subroutine that reads a number from a string and converts it to a 32-bit long. It's C's strtol if it helps to…
... from a string and converts it to a 32-bit long. ... It's C's strtol if it helps to ... nail down the details.
Anyway, the result is 32 ... a bit soft so over to you.
...
Edit: It amounts to proving this:
Let ... -
simplest method to pass a string to m/code?The statement "RANDOMIZE numvar+USR mc" is a simple way of passing a single numeric parameter to a m/c routine, as mc can retrieve numvar from the to…
... the same for a string variable but haven't ... then a call to SCANNING to get the string details onto the ... mc can obtain the string details from within the DEF ... to set up a location for the name of the string to ... be pointed to by CH_ADD so ... -
Difficulties to find AM29F040 DIP 32 housingDear all, I want to build a 2nd Diagboard but have some difficulties to find an AM29F040 in DIP32 housing. When I build my first Diagboard it was ra…
... all,
I want to build a 2nd Diagboard but ... have some difficulties to find an AM29F040 in DIP32 ... /itm/MXIC-MX29F040PC-70-DIP-32-4M-BIT-512KX8-CMOS-EQUAL ... on the market I hesitate to order there.
Local ... -
Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... the ability to shift to the left, and adding 3 to a ... that gives us the integer number closer to the argument, greater than ... BCD ds 308,0 ;Space to store BCD representacion (616 BCD ... ,255,255 ;This is (2^32)-1
;ENDNUMERO equ $- ... -
From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... /> This question is related to "quick RAM copy using LET ... :
- v$(32*20) DIM variable for "video ... byte
POKE dir+32,byte
POKE ... to end...
This routine load/converts/make my v$ string ... try changing POKE to v$(pos to pos+1)=chr ... -
Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…
... #Enter (integer) width of row to copy in characters [enter = 32]: 10
to screen x-position in (integer) characters',self. ... /> binaryY = binaryY[::-1] #reverse the string
screenAddrBin = '010' + binaryY ... -
Decimal to Binary stringHi all, Anyone got a less labour intensive BASIC routine than this? Example:- take 170 and convert to a string "10101010" take 4 and convert to a s…
... convert to a string "10101010"
take 4 and convert to a string "00000100 ... of my prog (not shown) to TAP but there's certain ... />
[code]
# SUB - Binary string conversion, A=decimal input, s ... "
1040 FOR l=126 TO 0 STEP -1
1050 ... -
im looking for a basic routine that adds a numerical character to a stringim looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so on
im looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so on -
Code optimisation! 16bit number to 5 digit stringJust for interest this one, any thoughts on how to make this as fast as possible? Little optimisations to this routine or a complete reimagining? …
... , HL at end of string,assume string doesn't straddle word boundary ...
lp: inc (hl) ;increase string number
ld a,(hl ... l,c ;HL back to start of string
dec de ;decrease ... ,lp
ret
;
string:
db '00000' ;16 bit ... -
Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... [/code]
"This is the 32-bit random number generator routine ... /> if you need all 32 bits, simply add the ... ", which converts the small integer into floating point form, thus ... slightly trickier trick allows string pointers to be returned from USR ...
