-
Go to, gosub or something different?I'm going to write an arcade game in basic. May compile it. In both basic and compiled basic would a goto or gosub be faster? Also if I stored …
... called is it scanning the code to find the function or ... start and have the game control code later on (as a gosub ... have to scan through the code until it get back to ... that it might make the code unwheldly but having as few ... -
Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
... setxy ld a,22 ; ASCII control code for AT.
rst 16 ... print it.
ret
[/code]
Print a string
[/code]
More at the link ... to go about compartmentalizing my code?
[quote=" ... -
Print vs 23659To be honest I could not think of a better topic title, although its not ideal. Anyway, I do recall reading ages ago that the reason you cannot no…
... never goes beyond the AT control code. This is where it catches ... -
Need help with keyboard scanning ?After getting frustrated with learning ASM for a while I'm back into it. The little listing below is using the ROM's PRINT AT routine to draw me a sp…
I think what might be happening is you have left the ink colour out following control code 16, and its reading 144 for that.
Otherwise your program seems fine. :-) -
Need help with keyboard scanning ?After getting frustrated with learning ASM for a while I'm back into it. The little listing below is using the ROM's PRINT AT routine to draw me a sp…
[quote="dmsmith;927591"]I think what seems to be happening is that in the STR section an number for ink colour is missing following control code 16, and its reading 144 for that.
Otherwise your program seems fine. :-)[/quote] -
Need help with keyboard scanning ?After getting frustrated with learning ASM for a while I'm back into it. The little listing below is using the ROM's PRINT AT routine to draw me a sp…
Yep the control code is missing in listing above it all works fine. But I can't get it to respond to key presses. I can print a character or udg anywhere on screen and even move it I just need it to respond to the keys :) -
Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
I'll admit the control codes are a bit odd, ... to adding cursor and colour control codes into strings then mine ... back-screen, so then the control code ')' copies the back screen to ... colour codes. I also have control codes to skip over a ... -
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 -
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 ... -
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?
Cheers -
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 ... -
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 ... -
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, $ ... -
AY musicThis is a format I'm proposing for an AY music player. If anyone can see any problems or anywhere it can be improved please say so. An AY music form…
... Code 4bit - Message - Data 12bit - Why?
0 Tone Control ... Volume Control - 4bit master volume control 1 byte fade control 00 ... Up - 4bit rate control 1byte depth control - increase tone ... Down - 4bit rate control 1byte depth control - decrease tone ... -
LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding. I think that there might be more of these routines out there (where-ever-u-r). Isn…
... to collect these pieces of code somewhere ??
I made ... emulator and to decide which code had to be emulated I ... /> MAIN...LD A,(DE) ; fetch code to be emulated (7)
Decision made from fetch code to start emulating : 36 T ... -
Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …
... me decipher this z80 assembler code?
ORG 60000
code, but I am having trouble ... -
machine code basicsWondered if anyone can help me out. I have been playing round with some disassemblers (Zeus). And Machine code loaders. All I want to do is print my…
... some disassemblers (Zeus). And Machine code loaders.
All I ... -
Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …
... been using Zeus Assembler to code MC programs so far. Nothing ... , is a compiler better to code? If so which is the ... is the best one to code for a beginner? Can I ... -
Machine code loaderI was wondering how people wrote games. On the trail to this knowledge I discovered a machine code loader in basic, and also z80 assemblers. Which i…
... knowledge I discovered a machine code loader in basic, and also ... -
Loading with CODEHi all! I last played speccy games back in '91. that's when it died IMHO. It's good to see people are keeping the dream alive with emulators and util…
... be loaded with :
LOAD "" CODE
where was a number ... -
Saving machine code on EmulatorI have been dabbling with Chapter 26 of Stephen Vicker's "ZX Spectrum Manual". [url="http://www.madhippy.com/8-bit/sinclair/zxspecman/zxmanchap26.htm…
... explains how to input machine code and then finally tells you ... program that then loads the code to run. However, I cannot ... -
Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…
... to do something in machine code. I've seen a lot ... the loaders and seein the code was all blocked out or ... info, especially about the Machine code
Alex -
The Quiz to end all quizzesHere it is - The Quiz To End All Quizzes. You will have a whole [B]month[/b) to answer the questions presented here. 1. All answers give 1 point un…
... a RAT droid under your control.
18. Name two ... strategy game you are in control of the SDI (Strategic Defense ... 39 Steps, the second from Code Masters. Name both (1 point ... />
50. Give the full code for the 9999th (and final ... -
BASIC code challengeWrite a program in BASIC as short as possible that will continue after KEY-RELEASED. The program must be fully relocatable (so it must be programmed …
Better late than never: the answers and results of the Quiz to end all Quizzes!First of all I would ask to excuse myself with those who have been waiting for the answers. But, besides work, study, etc., I had problems in verifyi…
... a RAT droid under your control.
Cholo
18 ... strategy game you are in control of the SDI (Strategic Defense ... 39 Steps, the second from Code Masters. Name both (1 point ... />
50. Give the full code for the 9999th (and final ...
