-
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... as ZX7 (it's a byte-oriented LZ compressor with no ... .
LZ4 format is byte-based, so it has the ... simple[/URL], and the final block is always a chunk of ... to analyze the entire compressed block afterwards. -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... they are using standard loading block types. The reason for the ... after the ROM data block is: I don't ... has received the final checksum byte, it ignores all further ... the speeds - just one byte in the machine code ... the speed, and one byte to correct the checksum. ... -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... can deal with the z80 block loads and some of the ... de both pointing to a byte in the display $4000 to ... -
Z80 Assembler for Win7 PC (64-bit)Does anybody know where I can get a decent Z80 assembler that will work on my 64-bit Win7 PC? I tried the first one in the WoS utilities and it would…
... dw 19 ; TAP block size - header tape block (19 bytes)
... without the checksum byte at end)
dw _START ; Block origin (or ... /> ;
; ----------------------
; TAP block checksum
db XOR_MEM(_START ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... 're just writing the occasional byte, the extra delays have a ... . But if you're doing block writes or executing code in ... -
Z80 Assembler for Win7 PC (64-bit)Does anybody know where I can get a decent Z80 assembler that will work on my 64-bit Win7 PC? I tried the first one in the WoS utilities and it would…
... dw 19 ; TAP block size - header tape block (19 bytes)
... without the checksum byte at end)
dw _START ; Block origin (or ... /> ;
; ----------------------
; TAP block checksum
db XOR_MEM(_START ... -
Lime Rick, like Snake but with gravity[B]Lime Rick[/B] by [url=http://www.kissmaj7.com/games/]Kissmaj7[/url] is an elaborated version of "I Left Myself Behind". It's a puzzle game with an…
... a binary block of 3321 bytes (with an extra byte to indicate ... one loaded as a separate block. This way, users will be ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... />
The code block is the 27361 byte version (although I can ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
[QUOTE=GoingDigital;723900]The code block is the 27361 byte version[/QUOTE]
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... case (screen plus single block of code, like Knights ... be run once per byte (must run in 34T ... FIRE_RIPPLE, uses the per-byte setup to switch its colour ... rippling" effect of a block of red stripes followed ... by a block of yellow stripes.
...Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... from its single byte per block state to a byte run format where ...display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... quickly it has a 9-byte save area associated with each ... PRINTA9
PRINTA2:cp $80 ;block graphic
jr c,PRINTA3 ...
call $0b38 ;PO_GR_1 build block graphic in MEMBOT
ld ...display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... to place pixels in a byte
1005 DIM b( ... REM Location of X character block
1120 LET yc=INT ... bit index
1190 LET byte=peek(adr): REM get current ... br /> 1200 LET v=INT(byte/b(idx)): REM right shift ... THEN POKE adr,b(idx)+byte: REM Check for even and ...LZ4 decoderI encountered the [URL="http://code.google.com/p/lz4/"]LZ4 compressor[/URL] a few weeks ago. Reading the [URL="http://fastcompression.blogspot.co.uk…
... set in the initial flag byte
[Flags]
enum StreamOptions ...Documentation of ZX Spectrum built-in functionsHi, Is there a documentation of the built-in ZX Spectrum 48+ functions (assembly)? I am thinking about something like the documentation included in …
... just for putting an entire Byte on the screen (8 pixels ... section. You'll see that block graphics are printed by setting ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... the SCR in the first block then just puts it to ... loading of main game, 2nd block, which isnt even compressed (although ... . This then Loads a 432 byte file to 32768, and then ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... running uncontended (16.45T per byte instead of 16.41T, a ... always going to copy a block of bytes outside contention, use ... program will always copy a block of bytes in the same ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... uncontended (16.45T per byte instead of 16.41T, ... want to move the color byte immediately after you move ... the bitmap byte. I used an unrolled ... source address for a byte and DE is the ... always going to copy a block of bytes outside contention, ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> inc hl ; point to high byte
ld a, (hl) ... ld a, (t_addr) ; get byte
dec a ; reduce it ... ld (hl), d ; store high byte
inc hl ; point ... ld a, 0xff ; signal data block
jp ld_block ; immediate ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... in 6912 blocks of one byte, with a counter "37 minutes ... and managed to save a block in Spin at a slightly ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... in 6912 blocks of one byte, with a counter "37 minutes ... of overhead per block (one flag byte and one checksum byte), you'd ... checksum imposes an extra byte of overhead per block.
[quote ...Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... layout of the 'Command Block' and the 'Response Block' are found in ... bit 6 of the 'Status' byte holds the ready flag, are ... /> 10 REM: Give 'Identify' command block (4) to peripheral
20 ...Collision detection for interlocking shapes[SIZE=3][FONT=Calibri]I?m looking for some advice as I?m not sure how to resolve the following problem. I have an in memory structure that holds info…
... write into each byte the number of the block you're drawing ...Collision detection for interlocking shapes[SIZE=3][FONT=Calibri]I?m looking for some advice as I?m not sure how to resolve the following problem. I have an in memory structure that holds info…
... the attributes. So basically 1 byte per character location. Each character ... write into each byte the number of the block you're drawing ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ; unstack byte count
ldir ; block copy
block graphic
call ...SpectranetHi all, I just bought a spectranet card and have a couple of questions I hope someone can answer for me. I have played around with it on both a +3 …
... feed (i.e. the two byte sequence \r\n, or 0x0d ... 0x0d is in one buffer block, and the 0x0a is in ...SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…
... br /> call $0b38 ;PO_GR_1 builds block graphic in MEMBOT
ld ... br /> ; BLOCK = $80 - $80 + $08 = $08
; 4: hi-byte = base address ... 01,$15,$90
defw BLOCK ;recalculated by BlockGen
...Lime Rick, like Snake but with gravity[B]Lime Rick[/B] by [url=http://www.kissmaj7.com/games/]Kissmaj7[/url] is an elaborated version of "I Left Myself Behind". It's a puzzle game with an…
... horrible abuse of 47loader's block-based nature. It involves divvying ... bytes of overhead per block: an ID byte at the beginning of ... the block, followed by a 16 ...spectrum pixel experimentsWell, As a spectrum fan, I started recently learning about how to pixel for the speccy, I did pixelart in the past but not speccy style (until now). …
... too big, even using the block way like you said.[/QUOTE ... where there is just one byte per character square. You can ...
