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+2 Force Loading from external tapeHi all My tape player is shot and now thanks to my frustration not functioning what so ever i see there is a Tape/Audio port on the back of the spec…
... to load will it start loading automatically when it hears the ... -
Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…
... about making noises from the AY chip in machine code?
I ... -
RetroMania BASIC programming contestTo celebrate 50 years of the BASIC programming language, at this year's RetroMania we're running a BASIC game programming contest. There will be cash…
... .retroaccion.org/contact[/url] ). Entries from anywhere in the world are ... , not sneakily shelling out to machine code routines :-) If it's written ... -
JHCon 2014Hello, not sure if this is the right category but JHCon 2014 will take place[B] from 28. to 30.11.[/B] at usual place - gymnasium in Jindrichuv Hrad…
... will take place[B] from 28. to 30.11 ...
When?
- Weekend from 28th to 30th of November ... br /> --- your intro code must be 1024 bytes long ... LOAD ""
--- usage of machine code (USR to RAM, POKE, ... get small prices (paid from Factor6's money). If ... -
Zero 0.7 / Zero 0.6.5 releasedAfter months of grueling work, I?m proud to announce the Vanilla version of Zero, which is a regular Windows version of the emulator. I?ve tried to m…
... Machine State window not showing correct info when first invoked from ... ? Fixed sound being disabled after loading from tape (Russ Hoy).
? ... ? Fixed resetting to wrong machine after RZX playback (Russ ... between Pentagon and some other machine (v0.7).
... -
Duke's "Cosmic Alien"Don't know anything about this one. [B]COSMIC ALIEN[/B] (c)1984 By DUKE MICRO CONSULTANTS Written by John Robey UDG graphics of a single invader, …
... break into it twice during loading to re-write lines that ... corrupted. The main data is machine code and it ran by a ... -
Zaxon's Micro DivMMC problems<p>Hi all,</p><p>I received Zaxon's excellent micro divMMC in the post a few weeks ago for my 48K rubber-key (the micro version of divMMC fits nicely…
... been enjoying a faultless experience from then until yesterday evening. I ... only works if not saving/loading from a tape'. So I waited ... page as normal, with the machine resetting into BASIC as normal ... -
New Game: COMPLICA DX<div style="font-family: Arial, Verdana; font-size: 10pt; font-style: normal; font-variant: normal; line-height: normal; font-weight: normal;"><img s…
... (packing 12K of 100% Assembly code, 61K of standard and multicolor ... depth, multi-tasked in background from machine state controlled multicolor animated graphics ... source code available!
Countless hours of entertainment!Download it now from ... -
Confused about DOS SET MESSAGEI'm confused about this function and the ALERT routine. I was rewriting a machine code +3DOS loader and I was trying to use this routines to collect …
... routine. I was rewriting a machine code +3DOS loader and I was ... when I'm calling +3DOS from my code (DOS OPEN, DOS READ ... -
ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... want to edit sources
from SjASM directly)
... export to disk, import from disk,
delete and ... SNA file containing your own code!
* Edit ... editing data
blocks containing machine code.
* Error ... -
Introducing Z-Exemplar - a ZX Spectrum inspired retro shooterHello everyone, I'm a huge spectrum fan from back in the day. My formative years were spent hunched over my rubber keyboard, aligning my tape head…
... 'm a huge spectrum fan from back in the day. My ... don't know Z80 and machine code is gobbledygook to me - so ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... was such a thing as "machine code". 30 years later i've ... br /> ld a,32 ; ASCII code for space.
rst 16 ... ld a,22 ; ASCII control code for AT.
rst ... this write over the number from ld x, (xcoord)?
... -
Flood FillHi Folks, Can anyone point me to a flood fill that I can call from ZX BASIC? I have looked through the archive and although there are posts about…
... fill that I can call from ZX BASIC? I have looked ... something like:
* Machine code
* Works from any memory address so ... -
Problem with BC corrupting after DJNZJust for fun, I'm messing around trying to get the level maps from Lemmings to display on the screen with machine code. It's been ages since I did an…
... level maps from Lemmings to display on the screen with machine code. It ... am trying this....
[code]
MAIN LD HL,50213 ... ...
RET
[/code]
Apart from not getting what I ... -
Hacker needed (Opus Discovery)Hello, I once was in contact with a guy who converted some games to Opus format. The contact was via the PM function here on WOS, but after the WOS-u…
... Opus as well. The loading routines are in machine code, so this is ... who is familiar with MC-loading routines of the Opus will ... -
Matthew Smith's Andre's Night Off in C&VG - did he really write it?Despite it being written in BASIC, Andre's Night Off is not very good - so what happened exactly? Was the hyperbole surrounding the type-in so much h…
... time that were written in code and you had to knuckle ... just knock out a quick machine code routine, it probably would have ... Retrogamer Fanzine, which is distinct from the commercial magazine, but issue ... -
Elite - Save data complete map[code] $0000 Commander Name $0001 Commander Name $0002 Commander Name $0003 Commander Name $0004 Commander Name $0005 Commander Name $00…
... /> $005D PLAYER'S SECURITY CODE
$005E PLAYER'S ... /> $0065 PLAYER'S SECURITY CODE
[/code]
Another ... the memory directly so loading from tape over and over ... game calculates the 'security code' based on your progress and ... -
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 ... -
Something is missing from my life.I've been bandying around with the idea of why it's just not quite the same, even when playing Spectrum games as it was back in the eighties. . A…
... not have to wait for loading / failing.
. Software ... I've turned off fat loading from my emulator.
I waited ... Listening to the loading squeaks, watching the loading screen build and ... pick of the best from 1982 to choose from.[/i]
< ... -
140 characters Basic game contestHey there, I've announced a new micro contest on my blog (in Czech language only). However, it might be interesting also for the non-Czech/Slovak …
... example:
[code]1 PRINT "Hello world"[/code]
- are 21 ... 48K Sinclair BASIC syntax
[code]1 FOR f=10 TO ... -
Add with Carry ExampleHi, I have been really struggling to understand this simple example from Mastering Machine Code and I wonder if anyone can help? I have include…
... to understand this simple example from Mastering Machine Code and I wonder if ... think is happening:
[code]LD DE,3385
LD ... ,L ;C = AE
RET[/code]
Therefore BC = 4CAE ... -
Reading Spectrum+ keyboard versus rubber keyI've started trying to learn Spectrum machine code after a 30 year break. I've encountered something that's puzzling me and I'm hoping that someone c…
... started trying to learn Spectrum machine code after a 30 year break ... the 128 have replacement membranes from Dataserve-Retro and appeared to ... -
DivMMC and +3 BASIC questionHi everyone, sorry if I'm about to tread a well-worn path here but I looked and looked, and I found something in the DivMMC manual but I'm not sure i…
... late 80s, some BASIC, some machine code, and I'd very much ... of copying file by file from the 3" internal drive to ... can't easily copy files from the 3" drive to the ... -
AVR ZX Spectrum from Lisitsin DevelopmentHello! Now everyone can buy ZX Spectrum AVR microcontroller version: http://good-kits.ru/nabory-bloki-i-moduli/zx-spectrum/radiokonstruktor-avr-zx-…
... К
- RGB out
- loading from tape also supported as well ... -
bin to tap with basicI have compiled some machine code to binary. How I can convert it to tap (or tzx, doesn't matter) with custom basic part? Of course, I can create …
I have compiled some machine code to binary. How I can ... basic, and later save basic+code manually. But I prefer to ... /> Basic will contain clear, request from user to enter number, some ... -
So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
wrap the machine code calls inside a 'RST #28; ...
DEFW #2DA2 ; unstack BC from the calculator stack - all will ... DEFW #0000 ; loaded from BC above ^^
RET
[/code]
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…
... with it ? When calling machine code routine from adress x you type RANDOMIZE ... USR 65368 it resets the machine! Why doesn't it print ...how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…
... but can't enter the code! Here's an example:_ ...THE LIGHTBULB EFFECT You know what that is? Like how cartoonists depict a bright idea by drawing a lightbulb over the head? When I was trying to work out the lengt…
... length of a diagonal line from opposite corners of a square ... a protractor, measure the distance from tripod to launcher then read ... /> Actually a lot of the machine code stuff makes no sense at ...Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... Sinclair Aug'87. Apart from a timing comparison I ... part 4 of the "Machine Code Calculator" series in ZX ... the calculator stack (apart from the change to the exponent ... pointers to be returned from USR calls. Refer to ... that is then deducted from each of the test ...
