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Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... /> Better if possible to use machine code tools.
After ... RAM-testing programs today written in machine code. I dont know if you ... despite the name does use machine code. It also runs fine ... too difficult to write a machine code one.
One ... -
Unoriginal Unimaginative UnplayableOK, never mind all those great games, what were the worst? Keep it to games you (or someone you know) actually paid money for back in the days when 8…
... /> [/QUOTE]
Being written in machine code means that the action is ... -
Unoriginal Unimaginative UnplayableOK, never mind all those great games, what were the worst? Keep it to games you (or someone you know) actually paid money for back in the days when 8…
... =ASH-II;342707]Being written in machine code means that the action is ... -
** New Game In Development **As one or two of you may already know, Jonathan (Joffa) Smith is currently developing a brand new Spectrum game. The program is called 'SAUCER' It'…
... that code ! As a kid i was happy doing games in BASIC ... , wanted to do one in machine code but it just looked like ' ... -
Football Manager[url]http://www.richardherring.com/warmingup/warmingup.php?id=2356[/url]
I found the first Football Manager game really slow. I preferred Football Manager 2 which was in machine code and faster with more depth. -
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
Or just add 128 to all the numbers. When you read them back, take it off again.
Whichever makes it easier for you (that's not how you'd do it in machine code though).
[Edit - OK, Dr BEEP just beat me to it.] -
When did multiloads start?Hullo, again. Long time reader, rare topic starter! In the mid 80s, when Elite grabbed the rights to the likes of Commando, Bomb Jack and Ghosts N' …
... three part multi-loader written in BASIC,[/QUOTE]
The ... it was (at least partly) in machine code.. :smile:
[IMG]http ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... /> Got my 1st Speccy in 1984. Got shocked by Joffa ... to[/I] start programming in machine code. Got no assembler. I ... br /> I quit Matra in 2001 after developing 4 video ... are still active). In 2004 I developed 2 ... now we're collaborating in some juicy projects under ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
[QUOTE=Madonna Mk 2;376732]
Got my 1st Speccy in 1984. Got shocked by Joffa Smifff games in 1985 so I [I]had to[/I] start programming in machine code. [/QUOTE]
oh dear.....well prepare to be shocked by him once more :D -
Preliminary MontyHey All... A new 2009 production (port from Atari) of a game called "Preliminary Monty" is out. It is a VERY nice platform game - with a bit "crude…
... support kempston joystick port and IN A,(#1F) will always ... inactive, you must disable joystick in game !
... ][/B]
(add 11 bytes code)[/QUOTE]
ZIP ... is used better joystick testing in machine code.
[url]http://velesoft ... -
It may come to nothing but...[IMG]http://homepage.ntlworld.com/richard.chandler3/SpudDS.jpg[/IMG]
... Linux regardless of the host machine?[/QUOTE]
No ... list of instructions in machine code. Very much like a CODE block on ... You can't run Speccy machine code on an x86 chip (well ... is executable, but the machine code contained within would be pointing ... -
It may come to nothing but...[IMG]http://homepage.ntlworld.com/richard.chandler3/SpudDS.jpg[/IMG]
... list of instructions in machine code. Very much like a CODE block on the ... You can't run Speccy machine code on an x86 chip (well ... is executable, but the machine code contained within would be pointing ... domain (well, the engine source code, at least, the actual ... -
looking for best oldstyle type-in zx-basic games, udg basedhi all! I'm looking for the best oldstyle type-in zx-basic games, those udg based - like those from zx-spectrum mags, made at mid 80's I'm looking fo…
Pixy The Microdot... YS type in was sheer class :-) ... Programmed by ... and machine code... Still play it now... Great fun !
UFO (In ... ). Massive machine code hex dump to type in, but a fantastic game in machine code based ... -
emulation of .p filesHello I search games about alien in Z-81 games. I get the tosec files. I would to know how to run .p files ?
... , but ZX81 has a built-in machine code debugger which is handy. However ... ZX81, there's no URL in the instructions, and the links ... -
The 256 colour spectrumIt's amazing what you can do these days. [img]http://sites.google.com/site/pauldunn/multi64.png[/img] D.
... paintbox [i]while he's in the middle of drawing the ... paintbox switcheroo is only feasible in machine code, not BASIC. Got it. Many ... BRIGHT and FLASH" question over in the other thread too. -
The 256 colour spectrumIt's amazing what you can do these days. [img]http://sites.google.com/site/pauldunn/multi64.png[/img] D.
... paintbox switcheroo is only feasible in machine code, not BASIC[/quote]
in BASIC and you'll get ... -
some debugger in emulators that is able to brakpoint when a mem address is accessed ?Is there a debugger (disassembler) available in some emulator that is able to stop (breakpoint) when a particular memory address is accessed ? For e…
... matter where PC is in memory:
Code:
UNTIL A ... port numbers in SPIN are always 16-bit. Code that accesses ... way of reading this in machine code is the "IN A, (31)" instruction ... mask off specific data in a condition:
Code:
UNTIL ( ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
...
Where games written in pure machine code or was it a level ... was machine code (apart from those early and obvious written in ...
No one can write code in machine code. At most, some people had ... to assemble their code manually in the early times, ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... ;401207]No one can write code in machine code. At most, some people ... had to assemble their code manually in the early times, before ... />
I would take writing in machine code to mean writing the binary ... Speccy games are written in Small C using z88dk. -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... ;401228 (and others)]In my mind, machine code and assembler are really ... . To almost everyone, writing in machine code means using an assembler. There ... values of the program in their mind, but they ... lots of chunks of code directly in the numerical values, ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... ;401207]No one can write code in machine code. At most, some people had ... to assemble their code manually in the early times, before ... people who did actually write in machine code directly as binary. Not big ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... people who did actually write in machine code directly as binary. Not big ... was able to write something in machine code.
but i think it ... was not unusual, back in 89 or so, one was ... with monitor placed in screen memory and man and machine were much ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... people who did actually write in machine code directly as binary. Not ... machine code bytes. I had a fair number memorized as well in ... .
A real machine code programmer would be the human ... that certain leading bit patterns in an opcode enabled the ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... ;401207]No one can write code in machine code. At most, some people had ... is some people who write in machine code directly, in HEX editor, without using ... .
[quote=Winston]In my mind, machine code and assembler are really ... -
POKING graphicsI remember using binary code (in BASIC) to POKE graphics (thanks Input magazine!) Using a FOR..NEXT loop you would POKE each square in the 8X8 charac…
... BASIC.
When writing in machine code you can do what you ... like (they needn't be in multiples of 8 even), memory ... -
POKING graphicsI remember using binary code (in BASIC) to POKE graphics (thanks Input magazine!) Using a FOR..NEXT loop you would POKE each square in the 8X8 charac…
... write your own Print routine in Machine Code that uses your own characters ... fiddle the code so it puts down 4 characters in a ... smoothness that you would with Machine Code which will, with the appropriate ... code, let you put that ... -
POKING graphicsI remember using binary code (in BASIC) to POKE graphics (thanks Input magazine!) Using a FOR..NEXT loop you would POKE each square in the 8X8 charac…
... BASIC.
When writing in machine code you can do what you ... like (they needn't be in multiples of 8 even), memory ... /> It didn?t all disappear in the hdd crash then? ;) -
Adjusting your code for screen refreshingOk, I'm aware that I should know it already after writing 5 Spectrum games in machine code but interrupts and screen refreshes were always my weaker …
... /> If I perform HALT command in machine code, the computer will wait until ... . just 'sort' out your sprites in two halves, upper and bottom ... checking one of higher bits in Y position, it is enough ... -
What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... /> The first 6683 is printed in machine code as BC holds the argument ... $FF could still be useful in speeding it up slightly as ... faster than LD B,0 in a loop.
The ... WriteMsg in the second routine is lovely ... -
128k musicThis has probably been asked before but I'm going to ask again (just because I can :razz: ) I was playing OutRun2sp on my Xbox360 the other night an…
... ) a popular setup too, especially in central Europe. There's no ... them will put the music in a separate loading block that ... , music and all. (Typically, the code and data for an AY ... true for music routines written in machine code - the Basic PLAY statement doesn ...
