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Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…
... get the classic AY sound from the Spec as is you ... I'd then be running from BASIC to an amp to a ... would increase the latency delays from source to sound.
But ... -
Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... expect it to be used from BASIC, and from machine code you should ... -
DivMMC EnJOY! v2014.1Teaser: [url]http://www.youtube.com/watch?v=ea036HH25f8[/url] This is the board version that is designed for the custom case which is worked on at t…
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From above: (leds are "walking" left2right and back, via BASIC)
From ZX48 BASIC the upper screen part shows ... , just save via the BASIC extensions (not the special ... lower screen shows a result from BASIC
LIST command, just ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... DRAM chip just after switch on (starting from cold) and then again ... -
RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…
... play sounds on that instrument from BASIC.
RS232 requires a ... -
Interface 1 putting me in 48kHi All, I have a 128 toasty with interface 1 connected to a PC via serial. If I save a basic program using 'SAVE *"b" LINE 10', all is well. If I …
... can't PEEK ROM.0 from BASIC as it will always have ... -
Interface 1 putting me in 48kHi All, I have a 128 toasty with interface 1 connected to a PC via serial. If I save a basic program using 'SAVE *"b" LINE 10', all is well. If I …
... can't PEEK ROM.0 from BASIC as it will always have ... additional hardware or software apart from the IF1.
PEEK 23611 ... -
esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)
... files are hidden, but visible from basic ".ls"...). Then please copy max ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... . I'm just remove 128kb detect from Nirvana_Start with 3 NOPS to ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... . I'm just remove 128kb detect from Nirvana_Start with 3 NOPS to ... -
Best book for learning assembly programming on ZX Spectrum?Hello, I'm currently learning BASIC programming from ZX Spectrum BASIC programming manual. After I learn BASIC, I would then like to learn assembly…
... any rate, and takes you from basic assembly instructions to what you ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... bitwise operators using the method from Toni Baker's book.[/QUOTE ... the subject "Bit Operations in BASIC: AND,XOR,OR,BIT,RES ... on, those functions are pure BASIC. I did do a set ... m/c routines to call from BASIC, which are also in the ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... actually do that if printed from BASIC; they just print a '?'; and ... /or quicker way than that from BASIC.
A game I ... all the printing is done from BASIC (although keeping track of all ... the positions is done from assembler).
The ... -
Upper case in INKEY$Hi, how I get upper case in INKEY$ ? Is there a POKE ? Thanks.
... there is a very impressive BASIC version of [I]Manic Miner ... how Caps Shift was detected from BASIC.
I didn't ... -
UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…
fastest Sound FX methods in ZX BASIC?Right now I'm doing an alternating footstep sound in my game using this following Beep statement. [code]beep 0.008,-4 + tog+tog+tog+tog : let tog=1-…
... audible. To do the same from BASIC would pepper your code with ...I wonder what this is?Just having a browse on ebay and came across [URL="http://www.ebay.co.uk/itm/191216974918"]this[/URL], I wonder what its for?
... got sections highlighting products from the past - from 1988 you could still ... SAVEd, LOADed or COPYed [sic] from BASIC.
Requires ZX81 and ...Frontend for the +3e projectHi, I have recently finished building the 8-bit simple interface and installed the +3e ROMs into my spectrum +2A (Back model) and it is working fine …
loading .z80 snapshots from basic can be done with < ... /> To have a basic program boot from the loader it's ... floppy. Just save your basic program with the filename " ... a line number to run from. e.g. SAVE " ... /> To use +3e features from machine code it's basically ...New Spectrum User - Inveterate UpgraderI've been asking a few questions about my Speccy, which is the first I've owned despite my advancingh years. I was a C64 kid, but please don't hold …
... try a long BEEP command from BASIC and see if you can ...Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …
... used a Wiznet W5100 so from a hardware perspective I'm ... looking at serving some very basic HTML for fun, and hopefully ... easy as writing a wee basic prog on the Spectrum that ... />
Documentation on handling sockets from BASIC is here [url]http://spectrum ...Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …
... />
Documentation on handling sockets from BASIC is here [url]http://spectrum ...analysing program variable usageIf I wanted to count the number of times each variable is referenced while a program is running (not the number of times each variable is referenced …
... /> call GetLetter ;C =letter from BASIC (lower case)
jp ... ,CheckMatch ;passed end of BASIC variable name
bit ... /> call GetLetter ;C =letter from BASIC (lower case)
ld ( ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
How did you pass by the BASIC-call to MC?
I see NLINE directly loaded with code, where is the start from BASIC?Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... did you pass by the BASIC-call to MC?
I ... code, where is the start from BASIC?[/QUOTE]
Initialy I ...16/48 tape magazineIs it me, or are you unable to select individual items on the 16/48 tape magazine? I swear I was able to do this before, but it feels like I have to …
There's nothing in the code to select individual programs; they have to be run in sequence; quitting one loads the next one. Otherwise they can be loaded individually from BASIC in the usual way.Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... other ROM's ie: SE-Basic / JGH Basic remove this restriction *[/QUOTE ... . The latest version of SE Basic enables you to PLOT and ... to save a full SCREEN$ from BASIC, because it doesn't use ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... you download the latest versions from [URL="https://www.dropbox.com ... (only necessary for calling them from BASIC so you don't need ...16/48 tape magazineIs it me, or are you unable to select individual items on the 16/48 tape magazine? I swear I was able to do this before, but it feels like I have to …
... they can be loaded individually from BASIC in the usual way.[/QUOTE ...Jetset Willy ATTR Buffer 2Does anyone understand how Jetset Willy uses the system vars area as screen ATTR buffer 2? H5C00 D23552. Thanks
... /> I assembled the following part from JSW and ran it. But ... ,&0200
LDIR ; Copy from attrs buffer 1 to 2 ... /> This will crash if run from BASIC - you've overwritten the system ...
