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CODE instruction in array$ PRINTSo I'm still plugging away at BASIC and have found a line of code (another!) that's really puzzling me. The line is as follows: PRINT A$(P+Q TO P…
OK, now I understand, it's actually the left arrow control code that is stored in the array. One last question: If I wanted to do the opposite and store the left arrow control code in an array, what would be the instruction? Many thanks. -
CODE instruction in array$ PRINTSo I'm still plugging away at BASIC and have found a line of code (another!) that's really puzzling me. The line is as follows: PRINT A$(P+Q TO P…
... 's actually the left arrow control code that is stored in the ... and store the left arrow control code in an array, what would ... -
IF and control flow in machine codeHi everyone, Basic has a nice control flow like if statements. How can these be done in machine code since i cant find anything thanks
Hi everyone,
Basic has a nice control flow like if statements.
How can these be done in machine code since i cant find anything
thanks -
XLR-8 Mastering utils: quick heads-upFirstly, only do this using an emulated 48K rubberkey at this stage because that's all it was ever tested on. "LOADER MAKER" - "First decrypter" - p…
... fancy CHR$ 22 Alky-style filenames you need to put the control ... (option 1), save the machine code part of the basic only ... it (which puts the machine code part of the basic into ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... code]
Besides the normal ASCII characters, only the AT control ... codes are accepted.
[code]
; ... /> ; --------------------------------
;
; Based on code by Ian Beardsmore from Your ... -
Printing UDGs in BASICAfter looking a little through Winer Milly's code, it struck me that I might be able to speed up my Cybernoid editor by replacing: FOR a=0 TO 31: PR…
... through Winer Milly's code, it struck me that ... CHR$32, CHR$33, CHR$34, ...etc
Is there a control ... memory location. I then PRINT CHR$ 32 + x etc ... around, I can replace PRINT CHR$ 32 with PRINT " " ... is faster:
PRINT CHR$32, CHR$33
or
What control methods should I supportAs Bipboi is nearing it's completion, I need to ensure i cater for all control methods required by the users. Currently it just supports: keyboar…
... ensure i cater for all control methods required by the users ... where can I see sample code?
CheersBASIC Keyword ReferenceRealised that the Sinclair Basic section would be a better place for discussion of BASIC keywords, so for reference the old thread is in [thread=2005…
... E : SYM + O
CHR$ : E : U OVER : E ... PI : E : M
CODE : E : I PLOT : K ... .
Added unformatted "Control" section, ripped straight from ...Drawing a "window"...Hi Folks, I want to display a blank window over an existing screen. It then draws a border around it but that is not the point of my question. Ini…
... m$=m$+CHR$ 22+CHR$ a+CHR$ 7+" ":
NEXT a[/CODE]
control codes plus the spaces. When ... LET a$=CHR$ 17+CHR$ 7+CHR$ 6+CHR$ 6+CHR$ 17+CHR$ 5+CHR$ 6+CHR$ 6 ...Can anyone see a way to speed up the following line of code?Hi Folks, Been looking at bottle necks in my code using BASin's Profiler and the following line (well the 2nd LET statement) is somewhat slow. [COD…
... at bottle necks in my code using BASin's Profiler and ... slow.
[CODE]100 LET h=INT (CODE z$(a,4 ... " AND z$(a,o)=CHR$ 10)+STR$ ((CODE z$(a,4)-h ... *16)*65536+CODE z$(a,6)*256+CODE z$(a,5 ... )))[/CODE]
Does anyone ...Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…
... /> 10 PRINT USR id,"val"+CHR$ (a+64),"=",v;
... id,v$,"=",v+VAL ("val"+CHR$ (a+64));
20 ... PRINT cat'dog'rabbit
[/code]
This effectively allows any ... CLASS_01: call LET".
[code]
SCANNING: equ $24fb ;the ...storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…
... Baker's "Mastering Machine Code". This enables any ... code]
2 DEF FN d$(l$,n)=l$+CHR$ 14+CHR$ 0+CHR ... $ 0+CHR$ FN g(n)+CHR$ FN ... h(n)+CHR$ ...
REM INSTALL MACHINE CODE... with GO TO 9161
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... not 40.
[CODE]
org 32768 ... z,foundcr ; recognises some control codes here 13=carriage return ... ret
foundat ; chr$22 can be used for ... nextchr
foundcr ; chr$13 can be used for ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... colour alone:
[CODE]
;
; Output of ... ,msgctl ; point to message control codes
.msgpcc ld ... inc hl ; point to next control character
jr msgpcc ; ... msgfir defm " PRESS FIRE "
[/CODE]
On entering the ...Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …
... at a lot of the code examples in the Development ... actually codes in neat Machine Code?
I use ... it gives me total control over the actual code, and where various ... to replace a lot of code if I need to ... an example sheet with some code on it, but I ...TXT2EMU enhancementI was looking at the encodings supported by BAS2TAP for entering graphics, print controls, etc. as plain text. Basically, there's only one needed, be…
... } for an embedded print control. There didn't seem ... in:
[code]DEF FN j$(s,l)=CHR$ PEEK (s)+ ... gt;1)+("""""" AND l=1))[/code]
replace the quoted ... thus:
[code]DEF FN j$(s,l)=CHR$ PEEK (s)+VAL ... gt;1)+("""""" AND l=1))[/code]
and after TXT2EMU ...BIFROST* example: "Knights & Demons DX" source codeA package containing the source files of our multicolor game "Knights & Demons DX" is now available for download [URL="http://www.mediafire.com/?hbch…
... ' timer (multiplied by 100)[/CODE]
The ...
BIFROSTstart() ' enable BIFROST*[/CODE]
This is ... :
[CODE]'Update control panel and loop until battle ...Machine code/Assembly language back in the dayHello. Back in the 80s when I was a kid, I didn't learn Z-80 machine code, but I was always curious about it. Just recently I decided to explore Z-…
... little attempt at learning machine code on the Spectrum made me ... the Spectrum go out of control. A single wrong instruction and ... the assembler window. However, writing code on a real Spectrum must ... from crashing in case bad code is executed? Did they somehow ...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 …
... /> [/code]
[code]
; MOVE_M moving object control for BASIC ... ACTION tables
; control keys are defined in the ... Hstep+ATTR+ROW:COL+CHR$+0:1+ROW: ... current
; CHR$ = graphic's character code
; 0 ... Hs Attr row col chr 0:1 row ...Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
How do you hide the 'Bytes:' when loading code?
I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appears at 3,0 and disrupts my screen!About how z88dk generates code and makes room for variables.When you attempt to code games for the 128K models using z88dk in C you need to somewhat control where variables are stored in memory. I thought tha…
... you need to somewhat control where variables are stored ... for example:
[code] script_result = 6;
script_something_done = ... = 8;
script = 9;[/code]
I can see ... at the generated code:
[code]ld A, $ ...BASin + INKEY$ + SymbolShiftHow can I get BASin to recognise SymbolShifted keys with INKEY$ while running a program? The Help tells me that Control = SymbolShift, but I've tried…
... ? The Help tells me that Control = SymbolShift, but I've tried ... copying and pasting the key code from the Windows Character Map ... /> Here's the bit of code. The character in "" in lines ... code for the symbol; 201,200,199 respectively. I tried using CHR ...Podraz 4 codeHello, it might help to preserve the code required for playing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003790"]Podraz 4[/URL] somewh…
... might help to preserve the code required for playing [URL="http ... on the game page. The code is "ZSZZZSJVVNSJ" (the 4th direction ... ?id=0006471"]Indiana Jones a Chr?m zk?zy[/URL], but ...Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…
... why the following piece of code wont display a little smiley ... face
[code]ld hl,udg
ld ... ,126,126,66,60,24[/code]
I'm using ... compiles okay as does printing chr$ 144.
Can one ...how do i change the text and colour of the boot message and error messages?i kind of know how to do this with the boot message but shortening or lengthening the text and adding chr$ control codes (if this works) overwrites o…
... adding chr$ control codes (if this works) overwrites or underwrites the code. not ...Help with CHR$ codes 0 to 5Hi, I'm looking a piece of code in a listing similar to: Let a$ = CHR$ 0 Let b$ = CHR$ 1 Let c$ = CHR$ 2 Let d$ = CHR$ 3 Let e$ = CHR$ 4 Let f…
... of code in a listing similar to:
Let a$ = CHR$ 0 ...
Let b$ = CHR$ 1
Let ... c$ = CHR$ 2
Let ...
Let f$ = CHR$ 5
As these CHR$ aren't characters ...New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... at the top of your code.
* If you are running ... AT 20,20; INK 2; CHR$(144): REM UDG A
code being stored in 23560 (the ... ROM routines in a machine code program.
* 23613/4 ...Printing UDGs in BASICAfter looking a little through Winer Milly's code, it struck me that I might be able to speed up my Cybernoid editor by replacing: FOR a=0 TO 31: PR…
... little through Winer Milly's code, it struck me that I ... a=0 TO 31: PRINT CHR$32+a : NEXT a
[QUOTE]
Is there a control character # that switches to UDG ... think there is. Just use CHR$ 144 to CHR$ 164.
