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Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... started to learn Z80 machine code - 25 years too late! :smile ... -
Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... screen.
[CODE]1005 REM Attribute Block Routine ... br /> RETURN [/CODE]
This code works perfectly and ... .
[CODE]MCODE Version
Parameters:< ... C9 RET ;RETURN to BASIC[/CODE]
When ... -
Automatic opcode to machine codeHi everyone, Would people use a program that you enter opcodes and it automatically converts them to machine code and saves them to a file. So if yo…
... automatically converts them to machine code and saves them to a ... thinking of making a machine code program to help me make ... -
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 -
Four machine code books for sale (will ship worldwide)I have 4 books for sale: 1. Spectrum Machine Language for the Absolute Beginner (Good condition) 2. Supercharge your Spectrum (Good condition) 3. …
... )
3. Mastering Machine Code on your Z.X. Spectrum ... -
Machine code[CODE] OPCODE HEX ADD LD A,05 3E05 F000 LD B,00 0600 F002 INC B 04 LOOP F004 CP A,B B8 F005 JP NZ,LOOP C2F003 F006 LD B,00 0600 F009 LD …
[CODE]
OPCODE HEX ADD
< ... ),A 3AF230
RET C9[/CODE]
IT WONT WORK ... ;:(
I cant do machine code for hell, help please! -
Another machine code problem, sorry[CODE] OPCODE HEX ADD LD A,00 3E00 F000 PUSH AF F5 F002 LD B,05 0605 F003 LD C,06 0E06 LOOP F005 POP AF F1 ADD A,C 80 DEC B 05 …
[CODE]
OPCODE HEX ADD
< ... ),A 3200FA
RET C9[/CODE]
This is a ... -
ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…
... at this position in machine code. But thats where the problem ... the screen grid in machine code. For example, 5,4 is ... -
Behold Atlantis: Kez GrayKez Gray is author of Behold Atlantis game loading screen. [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006002[/url]
Kez Gray is author of Behold Atlantis game loading screen.
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006002[/url] -
Lost Temple, The: Kez Gray[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006616[/url] Kez Gray has done a loading screen for The Lost Temple.
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006616[/url]
Kez Gray has done a loading screen for The Lost Temple. -
Machine code sub routinesHi everyone, I have noticed that in machine code you can call different "preset" routines like rst 16 or something, or call 6533... where can i fi…
... have noticed that in machine code you can call different "preset ... -
Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…
... Compo which involves a machine code routine.
... nice to see how the code could be optimized.
...
I would belive my code is probably very uneffective the ... by JR.
[CODE]
org 50000
ret
[/CODE] -
z80 machine code assemblerHi everyone, Which assemblers have a nice user interface. Because i want to code in assembler on the computer and then assemble it. I dont want a co…
... interface. Because i want to code in assembler on the computer ... -
Case of the Beheaded Smuggler, The: Kez Gray[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006962[/url] The loading screen of The Case of the Beheaded Smuggler has been done by Kez Gray…
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006962[/url]
The loading screen of The Case of the Beheaded Smuggler has been done by Kez Gray :) -
How to code a run and jumpHi all, Is there a way in basic to take action on two simultaneous key strokes. I want to add a run and jump i.e. keys Q and M but using inkey$ seem…
... am not ready for machine code yet so would like to ... -
ZX spectrum +2 issue3 (gray) videoout problemHi! Have distorted flickering image on ZX spectrum +2 gray issue3. RGB connection thru sony CXA rgb->svideo coder (Good quality! but flickering) [ur…
... image on ZX spectrum +2 gray issue3.
RGB connection ... -
Beepola Source CodeAs I haven't done much with it for a few months, I'm releasing the Beepola source code in case anybody wants to play about, add to, or otherwise use …
... 'm releasing the Beepola source code in case anybody wants to ... cool to it (err.. the code that is, not the licence ... -
Computer virus, source code lost, Argh!Ack! My laptop has succumbed to a virus that has changed the desktop to 'YOUR'RE IN DANGER' (not my spelling mistake) and won't let me open anything…
... backing up my latest source code :roll:
There is ... -
Z80 disassembler C/C++ source codeHello, I just thought I might share the [URL="http://zxds.raxoft.cz/docs/z80d.cpp"]source code[/URL] of the Z80 disassembler I have written for [URL…
... .cz/docs/z80d.cpp"]source code[/URL] of the Z80 disassembler ... to plug it into your code, use it as a reference ... was to provide the source code of the disassembler routine itself ... -
Source code searchCould I request the possibility to search for "We have source code" in the advanced search page, please?
Could I request the possibility to search for "We have source code" in the advanced search page, please? -
Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... I was learning z80 machine code.
Anyway will kick ... .
TomD
[CODE]
; =======================================================================
; _PLOT2CHR - plot double ... /8t
ret ; 10t
[/CODE] -
Code Masters CD on ebay[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=330553816486&ssPageName=ADME:X:BOCOR:GB:1123[/url] He's selling it for ? 99.99 but accepts …
... you think about it? Are Code Masters CDs actually so rare ... -
DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …
... author of FATWARE) release source code of last version FATWARE 0 ... - this fatware use 16kB of code (old version only 8kB)
Source code is for ZILOG DEVELOPMENT STUDIO ... .
FULL SOURCE CODE: [url]http://velesoft.speccy.cz ... -
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 ... $(a,o)=CHR$ 10)+STR$ ((CODE z$(a,4)-h*16 ... )*65536+CODE z$(a,6)*256+CODE z$(a,5 ... )))[/CODE]
Does anyone ... -
Another commercial game's source code is released - Arx Fatalis[B]Arx Fatalis[/B] has had it's source code released! It's a RPG, so it's not really my sort of game, and it's available on the XBox 1 and PC anyway,…
... Realms have released the source code for Duke Nukem 3D, and ... the availability of the source code, which is fantastic as some ... /article/67133/arx-fatalis-source-code-released[/url]
Note ... release the game engine's code - you still need to supply ... -
Lode Runner code sheetAs correctly reported in the [URL="http://www.worldofspectrum.org/gbview.cgi"]guestbook[/URL], it appears we don't yet have the Padlock code sheet fo…
... 't yet have the Padlock code sheet for [URL="http://www ... -
BC's Quest for Tires code sheet missingSpeaking of [URL="http://www.worldofspectrum.org/forums/showthread.php?t=35314"]missing code sheets[/URL], it appears the sheet for [URL="http://www.…
... /showthread.php?t=35314"]missing code sheets[/URL], it appears the ... -
automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... CALL, JP, etc. when code is moved, without reassembling at ... any relation to where the code will actually be located. ... list automatically when the updated code is assembled; the CHANGE ... be changed.
[code]
LOCATE: equ 25000 ;CLEAR ... -
machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
...
cheers
[CODE]
5B00 LD SP,5BFF ...
5B3B NOP
[/CODE] -
New feature: titles that come with source codeYet another new feature from the to-do list, which was asked a while ago: showing all titles that come with [URL="http://www.worldofspectrum.org/info…
Yet another new feature from the to-do list, which was asked a while ago: showing all titles that come with [URL="http://www.worldofspectrum.org/infoseekadv.cgi?what=1&hassource=on&loadpics=1"]source code[/URL].
