-
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... timing effects in the machine code that spoil the sector ... spend with updating the sector map in the lower third ... documentation and upload details, code and screenshots to my ... machine code ripper needs tweaking) and continue with the PC portion of the code ... -
Learning to program in AssemblyI hope Im posting in the right place. My question is what is the best way to start learning assembly on a ZX Spectrum. I've done some simple assemb…
... .cgi?id=0008031"]The Complete Machine Code Tutor[/URL]. This runs on ... & using ZX Spectrum hardware (screen layout, reading keys, etc). Includes ... the case of an emulator with built-in debugging facilities. -
The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…
... with a beam that sweeps across the TV screen ... in synch with this. It stores its screen in ... same border-colour trick with individual character spaces.
machine code instruction takes and running ... can come down the screen 1 pixel at ... -
INPUT LINE and STOP in INPUTWhat was the reason for the ROM Editor routine causing "down arrow" while in an INPUT LINE to cause the "H STOP in INPUT" error report? Why doesn't i…
... a result of clearing the lower screen. The two routines are called ... been put there by a print statement e.g. the RS232 ... .
The Spectrum can deal with AT and TAB characters coming ... /> The down arrow only works with the keyboard as BREAK is ... -
INPUT LINE and STOP in INPUTWhat was the reason for the ROM Editor routine causing "down arrow" while in an INPUT LINE to cause the "H STOP in INPUT" error report? Why doesn't i…
... a result of clearing the lower screen. The two routines are called ... been put there by a print statement e.g. the RS232 ... /> The Spectrum can also deal with AT and TAB characters coming ... (i.e. bottom of the screen) but different as INPUT. -
INPUT LINE and STOP in INPUTWhat was the reason for the ROM Editor routine causing "down arrow" while in an INPUT LINE to cause the "H STOP in INPUT" error report? Why doesn't i…
... /> although you can alter this with INKEY$ #.
with INPUT #.
with one fitted with Interface 1.
lower screen and the upper screen areas which will also scroll wrongly.
[/code ... -
30 years ago today, launch of the Sinclair ZX Spectrum!Friday, April 23th 1982 - At a press conference at the Churchill Hotel, Clive Sinclair revealed to the world his new personal computer, the ZX Spectr…
... spotted an Amstrad CPC, complete with monitor, joystick and loads of ... the buildings, and made the screen flash red on and off ... as I compiled it into machine code using HiSoft BASIC :-) I also ... share some of this information with you guys.
The ... -
Store and restore attribute valuesI am needing ideas on how to write a machine code routine that will store/restore (more important to restore) attribute values to the 22528 area. I …
... how to write a machine code routine that will store/ ... to 16,16 area of screen, 256 bytes I think ... it works.
[CODE]org 32768
... from the buffer to the screen
ldi
... can only add to hl with 16 bit numbers
... -
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
... I could do this without machine code. :oops:
Modified program ... REM Dim Screen
320 PRINT c$
330 REM SLOW[/CODE]
PRINT c$[/B] (line 320) takes ... . I will try Jonathan's machine code version to see how much ... -
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
... a 704-character long matrix with OVER 1?
@ ... s amazing few bytes of machine code. Personally if you want this ... then I would recommend the machine code version.
In my ... , I wanted to dim the screen before displaying an overlayed window ... -
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
... />
[CODE]100 REM DIMMER.B - Screen Dimmer Routine
PRINT AT 0,0; INK 4 ... x=0 TO 31: PRINT AT y,x; PAPER 1 ... 300 REM
310 REM MACHINE CODE BY JONATHAN CAULDWELL
320 ... to include you for providing SCREEN DIMMER.
[ ... -
How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... together and still end up with a valid file, so it ... />
Does zmakebas handle embedded machine code? The BASIC loader in bank2tap ... the machine code to force USR 0 mode, load a loading screen, and ... -
How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... 626699]Does zmakebas handle embedded machine code? The BASIC loader in ... the machine code to force USR 0 mode, load a loading screen, and ... x01}, so you could embed machine code that way if you were ... Basic block to be consistent with the other-platform 4Ks it ... -
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... a 48k machine will have around 12k for code and variables ... screens, the next screen data and specialized code is loaded from ... for each screen -- with each program using the common code to execute ( ... at the beginning of each screen, basically zero the heap ... -
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... a 48k machine will have around 12k for code and variables ... screens, the next screen data and specialized code is loaded from ... for each screen -- with each program using the common code to execute ( ... at the beginning of each screen, basically zero the heap ... -
How much space does a number take?Hi Folks, Could someone please remind me how much memory a number takes up in a BASIC listing. For example, if you had: [CODE]100 LET a=3000[/CODE…
... turning your railway program into machine code? You can store integers ... include 64 character printing code very simply with #include and then ... do 64 char printing with just
printat64(y ... put in a nice proportional print routine too.
... -
Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…
... 's now an annual compo with Sega's blessing.
screen is organized, and optimize every ... have read both the ZX Machine Code Game in 30 minutes and ... -
ZX-Paintbrush 2.2.1 releasedDear readers and friends of ZX-Spectrum emulator stuff! Today I released the version 2.2.1 of ZX-Paintbrush with interesting new features and many b…
... would be a problem with the lower screen as it doesn't ... the overlay is being merged with the main picture. The ... feature of producing some META code (let's say Basic ... ability to change the code by the user and ... displayed easily in such META code, e.g. think about ... -
Cricket. Duckworth/Lewis calculator.I'd appreciate it if anyone here who enjoys cricket, and ideally is also familiar with the rules of one-day matches takes a look at a little program …
... I need to tackle in machine-code to reduce those calculation delays ... of even the humble Speccy with its 3.5GHz Z80.
with a (slightly) revamped Innings entry screen that allows you ... -
Multi-sized character screen driverFollowing on from the thread on [url=http://www.worldofspectrum.org/forums/showthread.php?t=24618&page=14]character output routines[/url], I've dug o…
... code to channel "P". Then PRINT#3 (or LPRINT or PRINT if redirected with ... OPEN#2,"P") goes to the screen driver ... -
Help needed... RND in machine codeI have been battling away trying to convert a simple BASIC routine (below) to machine code, but to no avail. The routine is used to fire 2 bullets a…
To replicate the BASIC routine with the "RND in machine code", wouldn't it ... to just call "RND" in machine code? - then it will perform exactly ... two loops starting with the same seed, one using "PRINT (1+INT ... ))*5-1" and one using "PRINT USR rndfun" will give the ... -
What is the best way to detect CAPS LOCK?Hi Folks, Not sure what the correct behaviour is here as I do not have access to a real Spectrum. Under BASin, when you press CAPS LOCK on the PC k…
... QUOTE=guesser;638800][CODE]
10 LET a = CODE INKEY$
... /> 30 PRINT a
40 GOTO 10
[/CODE]
... IF a>31 THEN PRINT CHR$ a;
< ... and you fill the screen, scroll? appears as ... BREAK), it fills the screen with something and again ending ... -
Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…
... b] emulate 'early timing' machine, but... border text in ... in the centre of the screen[/i]
O_O
i.e. Speccy screen must be moved some pixels ... br /> Multicolour is much easier with contention. You can be a ... more fast and loose with your code. -
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 …
... also your notice the last print block is virtually the same ... to i add a loading screen to the tape? Sorry to ... output file, then with the screen on ... errmmm ... screen: SAVE "something" SCREEN$. If you ... then the two in the lower screen will be erased by the ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... usually be Z80 machine code; a Z80 disassembler/debugger is ... it uses a BASIC loader with a USR call, but more ... loader.
CODE files might also be SCREEN$, program data or ... to jump straight into a machine code routine).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 ... have fixed the annoying bug with it printing twice i will ... it at first.
[CODE]
10 LET PLAYERHITCHANCE=0 ... IF PLAYERHITCHANCE>=MONSTERDEFENCECHANCE THEN PRINT "PLAYER HAS HIT THE"'M ...space available in bytes - questionHi, question: - if i create a *.txt file in pee cee: if empty it will show 0 bytes if i put text "abcde" it will show 5 bytes if i put texte (in 2 l…
... and the bottom of the machine stack; ie. the area marked ... also available, for data or machine code, the area between RAMTOP and ... set low at 24999, then "PRINT 65536-USR 7962" would just ... 2 & 5 are occupied with a BASIC program.ZX-Blockeditor 2.1 releasedDear ZX-Spectrum emulator fans, yesterday I've released ZX-Blockeditor 2.1 which now comes with several interesting news that were long needed: ZX-…
... so often and so much with it... When creating anything, I ... in a loading screen, and copy over some machine code blocks from other ... .tap sources and maybe some loader code ...ZX-Blockeditor 2.1 releasedDear ZX-Spectrum emulator fans, yesterday I've released ZX-Blockeditor 2.1 which now comes with several interesting news that were long needed: ZX-…
... so often and so much with it... When creating anything, I ... in a loading screen, and copy over some machine code blocks from other ... that statement. When I started with ZX-Blockeditor, It was my ... the block view and handling with files was and is so ...
