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Loopz collection still MIA?I think I have read somewhere that it was controlled, but just in case: [url]http://www.ebay.es/itm/Amstrad-CPC-ZX-Spectrum-Audiogenic-LOOPZ-COLLECT…
... have a easily identified trailing '1' bit, while those of side B ... for a '0' or a '1' bit, they are too little for ... -
Sound designer wantedAs you may or may not be aware, in a complete IP violation, and written up as a HOW-TO tutorial, I'm writing a pac-man clone. But I'm crap with soun…
BeepFX is awesome. But I still haven't figured out how to create sounds. I'm trying to convert some 1-bit sounds from the Apple II and it's hard work to guess the parameters to use. -
Sound designer wantedAs you may or may not be aware, in a complete IP violation, and written up as a HOW-TO tutorial, I'm writing a pac-man clone. But I'm crap with soun…
... 'm trying to convert some 1-bit sounds from the Apple II ... -
ISO-Copy - Individual Software revisitedHi folks In another thread about Supertape: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36203[/url] ... we touched on ISO-Copy by th…
... , so, encoding it with pre-1.20 TZX can only result ... not representing the decoded bits. 1.13 and previous versions are ... 2 diferent sample values (0 bit and 1 bit) :( -
Whats on your Disk?Following on from the highly popular whats on your C90 thread, how about whats on your disk? Having unearthed my 20+ year old MGT +D disks collection…
... 3D2 3 ZX BASIC
30 BAYYY 1 ZX BASIC
31 GRID ... 5 ZX BASIC
32 PRNTLNS 1 ZX BASIC ... DRAW1 2 ZX BASIC
35 ROUND 1 ZX BASIC
36 Snap1P ... -
Trivial Pursuit Question Packs RevisitedHi folks, As we're getting stuck into loaders and getting some nice TZXs out of them, I stumbled across an old thread in addition to an infoseek sea…
... side 2 (one trailing '1' bit has passed through all ODEload ... the same, but tape 1. Tape 2 even contain ... : while tape 2 side 1 is encoded using UnilODE, ...
[QUOTE="Andrew Barker"]Tape 1 A+B match in Tapir ... which are:
ISBN = 1-85160-323-9
Barcode ... -
Synth SpeechHi All, Can anyone recommend an easy way to get a *subroutine that I can call in asm that will give a decent sounding phrase? I've had a look at a …
... . They all either use normal '1 bit - one output' approach, or the ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... (A3=0, A7=0, A1=1) is used to map/unmap ... , A4=0, A1=1) is an 1-bit wide (bit 7) I/O port ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... (A3=0, A7=0, A1=1) is used to map/unmap ... , A4=0, A1=1) is an 1-bit wide (bit 7) I/O port ... #77 (A7=0, A4=1, A3=0, A1=1)
Port #FF6F ... (A13=1, A7=0, A4=0, A3=1, A1=1 ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... thought of that: a simple 1-bit state machine controlled by the ... output is low. At cycle 1, the output is Z. End ...
);
register ff_reset = 1'b0;
always @(posedge ... -
Seen any ebay madness?? post it here !!!What with some high prices fetched on speccy games over the past few days , thought it might be an idea to keep a WOS record of some of the higher fi…
... /itm/Sinclair-Spectrum-16K-Issue-1-Caterpillar-Basic-Fully-working-/200813614574?pt ... ;hash=item2ec16c95ee&_uhb=1#ht_1684wt_1163]Caterpillar Basic[/url]?
And ... -
Seen any ebay madness?? post it here !!!What with some high prices fetched on speccy games over the past few days , thought it might be an idea to keep a WOS record of some of the higher fi…
... /itm/Sinclair-Spectrum-16K-Issue-1-Caterpillar-Basic-Fully-working-/200813614574?pt ... ;hash=item2ec16c95ee&_uhb=1#ht_1684wt_1163"]Caterpillar Basic[/URL]?
And ... -
Seen any ebay madness?? post it here !!!What with some high prices fetched on speccy games over the past few days , thought it might be an idea to keep a WOS record of some of the higher fi…
... /itm/Sinclair-Spectrum-16K-Issue-1-Caterpillar-Basic-Fully-working-/200813614574?pt ... ;hash=item2ec16c95ee&_uhb=1#ht_1684wt_1163]Caterpillar Basic[/url]?
And ... -
Query about memorySo I know this has been asked a lot and I beg your brief indulgence. I have scanned through a lot of old threads already but I'm trying to improve m…
... good).[/QUOTE]
[CODE]76543210 bit number
01010101 binary = 85 ... /> bit 0 is always 1
bit 1 is always 1
bit 2 is always 1 ... -
Query about memorySo I know this has been asked a lot and I beg your brief indulgence. I have scanned through a lot of old threads already but I'm trying to improve m…
[QUOTE=1024MAK;656374][CODE]76543210 bit number
01010101 binary = 85 ... /> bit 0 is always 1
bit 1 is always 1
bit 2 is always 1 ... -
decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... possibly be 2 zeros, or 1 one. You also know that ... it left or right by 1 bit.
That knowledge can ... by someone to look a bit like a speccy loading something ... -
IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... the interrupt service routine, ZX BASIC, various ROM routines etc. or ... run the code using a 1 line BASIC program, I often just ... -
IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... run the code using a 1 line BASIC program, I often just ... -
IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... run the code using a 1 line BASIC program, I often just ... -
Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…
... memory address:
[LIST]
[*]1 bit to indicate if this address ... a single byte
[*]1 bit to indicate if this address ... with the following byte)
[*]1 bit to indicate if this address ... written as a word
[*]1 bit to indicate if this address ... -
[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... /> I just question the data bit timings, because, from the WAV ... less than your proposal)
1 bit ~=1454 (230T more than your ... block, sync 714, 397, 0, 1 bit 612 1224.
[url ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... , (hl) ; load offset flag (1 bit) + offset value (7 bits)
bit
ret nz ; no more ... , (hl) ; load offset flag (1 bit) + offset value (7 bits)
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... (hl) ; load offset flag (1 bit) + offset value (7 bits)< ... rl d ; insert previous bit into D
next_bit ... add a, a ; check next bit
ret nz ; no ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
[QUOTE=antoniovillena;672340]The idea is that you add an option in the compressor to avoid >255 length (an output a shorter escape secuence). So you offer 2 decrunchers, one of 68 bytes (option disabled) and other of 64 bytes (option enabled). Also you ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... (hl) ; load offset flag (1 bit) + offset value (7 bits)< ... br /> call rld_next_bit ; load 1+1 extra bits
rld_next_bit:< ... a, a ; check next bit
ret nz ; no ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... 1
length_value_loop:
call next_bit ; load length data bit ... (hl) ; load offset flag (1 bit) + offset value (7 bits ... a, a ; check next bit
ret nz ; no ...
