-
How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... in machine code.
Please does anyone have a routine to print ... .
Oh and a print routine too that I can ... -
RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…
... do with it ? When calling machine code routine from adress x you ... ? I just tried PRINT USR 65368 it resets the machine! Why doesn ... 't it print the UDG at ... -
Last Problem in Chapter 3 of Toni Baker's Mastering Machine Code on your ZX Spectrum.Chapter 3 of this great book is all about how to use the registers and covers the operations LD, ADD, ADC, SUB, SBC, INC, DEC, SCF and CCF. The la…
... , and I invoke it by PRINT USR 61440. However, I can ... would be appeciated.
[code]Op Hex Notes
LD ... C9 Return to basic
[/code] -
Screen$ +3 disk to tape helpHi, I have several full screen pictures of my +3 disks (Screen$). How can I transfer these pictures onto tape without losing the last to lines beca…
... following routine
10 PRINT #0; "Save Me as well ... POKE 23737,17 : REM alter input address #10A8 to #111B (KEY ... /> The CLS command restores the input/output channels of the keyboard ... but wrote a short
machine code routine to save the complete ... -
Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... The dark art of speccy machine code is obscure and mysterious, thats ... 31)
To print a character at (10,12 ... denoted by "SSS". To print the letter 'A' there ... "screenaddress" subdirectory. The "input" directory contains code for scanning the keyboard ... -
42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... your program) to the machine code routine. The problem ... Print Utilities is different is that the machine code routine accepts input ... in the machine code routine for this input, which is ... lines) to the Print Utilities machine code routine rather than straight ... -
AmericaI've been wondering, was the Spectrum released in America? Was it popular? Are there Spectrum games that were made in America? There must be a few A…
... was inappropriate as a consumer machine and gained a bad ... expansion memory and would use print#, input#, etc to communicate with ... being rewritten" because the machine was released before it was ... had much of this experimental code present in unused patches, the ... -
PokesDoes anyone know where I can find a list of Pokes for my Speccy games? I am trying to find some for On the Bench ! Thanks
... (the process where you input your name, choose your ... well be stored in the machine code section :(
... TO 22: INPUT T$(A,B): PRINT A;"-";B;"-";T ... $(A,B): NEXT B: NEXT A[/code ... you went into the machine code and found a database ... -
New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... /> 10 REM START AFTER REM : PRINT "HELLO"
POKE 23618 ... command mode or during an INPUT. It starts off at zero ... using ROM routines in a machine code program.
* 23613/4 ... is most apparent during an INPUT statement. The value is reset ... -
Writing for MultifaceI was just wondering, is it possible to write a BASIC program, compile it and use the Multiface to run it? I'd like to write a small util to edit te…
... much about ROM routines, and machine code in general, hence wanting to ... compile the basic.
[code]
1 POKE 23658 ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... return values from, my own machine code subroutines? The examples in the ... stream i/o can have input as well as an output ... line from your machine code routine. Eg:
[code]
let r ... converter if you don't print longs?). There are such options ... -
ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... have two options of keyboard input available, or combine both?
machine code routines from Bloodbaz, but I ... complete scr2udg. The character-to-Print-Lines sounds a lot better ... -
48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…
... problems
* INPUT statements should be changed to ... multiple of them - INPUT prompts should be changed ... /> * Replace unquoted apostrophe in print statements with a new statement ... (insert stuff about PEEK/POKE/machine code here - someone with more ... -
Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…
... using PRINT# and INPUT# from BASIC, or calling read/write in a machine code ... tape). So instead of LOAD ... CODE STEP, you stick the data ... you can have multiple LOAD ... CODE commands as if you had ... -
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... need to keep the machine code portion of the program ... tested)
[CODE]
10 CLEAR 48882
50 INPUT "Name=";n$;".";s$: LET ... 80 IF NOT open THEN PRINT f$;" does not exist"< ... /> 85 IF open THEN PRINT f$;" exists": LET close ... -
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…
Here's the machine code for manipulating the program stack ... prog=prog AND prog255:
PRINT "Program#";this;" PUT as #";prog ...
1035 PRINT "This is program ";this
1040 INPUT "Again? [yn ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... , so it needed rewriting in machine code before it could be of ... />
[code]
1 REM Shell Sort
10 INPUT n: DIM ... i=1 TO n:
PRINT v$(i);:
NEXT i ... :
PRINT : STOP
90 LET t1 ... -
Spanner seeks helpHello, and HNY, all. I am presently writing a game in BASIC. It's a bit - a lot - crap, but I'm enjoying it! Anyway, a couple of questions, if you …
... is to write your own input routine using INKEY$ rather than ... relying on the INPUT statement - essentially, you start with ... the end of a$ (and print it to the screen) and ... job (converting your program to machine code to give it a good ... -
Spanner seeks helpHello, and HNY, all. I am presently writing a game in BASIC. It's a bit - a lot - crap, but I'm enjoying it! Anyway, a couple of questions, if you …
... is to write your own input routine using INKEY$ rather than ... relying on the INPUT statement - essentially, you start with ... the end of a$ (and print it to the screen) and ... job (converting your program to machine code to give it a good ... -
Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…
... going to compile a "INPUT n: GOTO n*1000" ... way between interpreted BASIC and machine code. That's why it ... a/2) = a/2 THEN PRINT "EVEN": NEXT a
... 2) a/2 THEN PRINT "ODD": NEXT a[/code]
code (variable acceses cannot be ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... should operate on assembly or machine code, right? Should I disassemble ... useful information about emulation of input (keyboard/joystick) and output ... . Like this:
10 PRINT "Hello World"
20 ... interrupt?" The vbSpec source code is a good place to ... -
Words of adviceHi all This is my first post on World of Spectrum and I'm gradually starting to discover the wonders of the machine. Just to give you a bit of bac…
... at the speeds attained by machine code, and I firmly believed that ... - line numbers, statements, command-line code input etc. So I decided to ... have character-square limitations on PRINT? So I added the ... MOVE parameter - PRINT MOVE x,y;"Hello!" will ... -
LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…
... /output (max. input 10000 bytes)
64000 -> 65367 : machine code (about 500 ... RUN, enter length, text flag, print flag (defaults 2048,1,1 ... screen; if text=0 and print=1 then the output will ... done "GO TO 10" will print statistics, although this part is ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... wanted to check out the code from the programs in the ... it at first.
[CODE]
10 LET PLAYERHITCHANCE=0 ... IF PLAYERHITCHANCE>=MONSTERDEFENCECHANCE THEN PRINT "PLAYER HAS HIT THE"'M ... -
calculator and sinusok, look at the Sysel's routine: [PHP]3 5b00 *s 4 5b00 tabsin = #7000 03 mksin 19.11.1995 Busy soft …
... included, that being allowing hex input in RUN 2000 (the " ... .
[code]
1 REM Machine Code Calculator
part 1 ... TO 1015
1020 INPUT "number ";x: PRINT x;TAB 9;"= ";< ... 1330 NEXT i
1340 PRINT TAB 11;
1345 RETURN ... -
Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... +ve answer.
[code]
100 INPUT "Enter two 16-digit ... /> ;1000 REM LMUL:
;1001 PRINT " ";FN b$(V)+FN b ... $2ab1 ;STK_ST_0
;reorganise the machine stack so that this string ... -
coding guruOk I'm looking for a to help me in my quest to do my first proper game. The 80's child in me thinks he can do it, But the 2013 man in me knows zip. …
... : use a rom routine. (print, border color, print at ect..)
3 ... ect....)
5: get a input routine working.
6: read ... somthing with it predicated on input.
now at this ... parts of the program in machine code. the guys on the forum ... -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... (FN v()+4)1900)):
INPUT "margin: ";marg,"tabstop: ";tabs:
STOP:
PRINT "no code":
STOP:
PRINT "bad margin":
machine code and then it won't ... -
Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …
... of the server machine, is loaded into ... BREAK key code
;
; Print server command ... ; *
; External keyboard input routine
;
3884 ... -
Interface 1bis RAM Drive modificationAll Interface 1bis users I hope I am not interfering with Dan, but I saw on his site that he has a RAM Drive upgrade/modification for the Interface …
... dozen, or so, code lines had to be ... character-oriented instructions: OPEN#, CLOSE#, PRINT#, INPUT# and INKEY$#.
machine connected via the USB port ... device ( "V" ) a server machine on the ( Ethernet ) network
