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Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…
... ). Dump the numbers that come back with a mismatch. This should ... between the written and read byte. -
Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…
... what is PEEK'd back. For all 256 byte values, chances are ... that is either 0 (read back is same as written) or ... (written & what's read back, differ in 1 bit). Regardless ... -
playing sound samples from Boriel's zxbasic-compilerfirst of all, sorry if it sounds confusing if i'm posting this thread here instead instead of at Discussions:SinclarBasic it's because this is more …
... routine loops back to Adr02 when a new byte does not ... At Adr05 if no new byte needs to be fetched, the ... is skipped and we head back to Adr01 and fall through ... fetched. But when a new byte does need to be fetched ... time to fetch the next byte, you have a sample ... -
[NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…
... WoS (the first one, 47951 byte long zip file). After loading ... rotates to landscape mode, then back to portrait and the emulation ... -
[NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…
... WoS (the first one, 47951 byte long zip file). After loading ... rotates to landscape mode, then back to portrait and the emulation ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... all routines set the keyretval byte as shown in definekeys.asm ... hl ; get the message address back
;call pm_do_it ; ... save the pattern byte
dec hl ; go back to the key_xxx_port ... byte
ld a ... -
Various software & hardware for sale.After having a sort out in the loft I've discovered a few things to get rid of: [SIZE="1"]SINGLE CASSETTE SIZE CASES. (all with inlays and instructi…
... squad
the empire fights back - mastertronic
invasion of the ... women - mastertronic
spectres - bug-byte software
SINGLE CASSETTE ... -
New Game: 4k Tap-N-JoinJust finished my fourth and final entry into this years mini game competition. This one is in the 4k category and is called 4k Tap-N-Join. The game …
... say there's not a byte to spare now though...?
back in and was able to ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... ; back to remnant table
inc de ; next sprite byte
byte
[/code]
byte GGGGGGGG and returns GGG00000 (the ... The 'current table' takes a byte GGGGGGGG and returns 000GGGGG (the ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... screen display and come back when you feel ready ... and moving to the next byte
;along - which ... Spectrum are...little 8 byte blocks of characters just ... B and loop back to move another byte of data - ... a Sprite instead :-). Anyway....back to the bit above...< ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... and ignoring the attributes -- one byte represents eight pixels with each ... into memory, where each byte represents eight pixels as ... br /> x_loop: ; for each horizontal byte of sprite data
back to remnant table
inc de ; next sprite byte
What memory address?If you poke 96 and 236 what would the memory address be? I've forgot how to work it out!!! :-?
... just put BF in one byte and 68 in the other ... mode is handy for converting back and forth between the different ...Auto generated spritesLooking around for some graphics I came across [url]http://blog.disktree.net/?p=19[/url] , one of several such pages. Need the odd 8x8 UDG or two (…
... pressed, one key press per byte. Pain in the arse?
pop af
or c ;byte now symmetrical
ld (hl ... /> inc hl ;ready for next byte
ret
;
mirrorbyte ...
call 8252
ret ;back to BASIC!
;
string ...Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... .
fikee hasnt been back on these boards cos its ... that happen the most of byte juggling around in too small ...Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... that happen the most of byte juggling around in too small ... project and we'll be back to one person again.
Alkatraz protection systemI recently became interested in the Alkatraz protection system, a very widely used tape protection (a infoseek search returns more than one hundred r…
... at a full byte.
Have fun! (Now back to analyzing ...Create a new microdrive cartridge image formatHi there, I'm working to emulate the IF1+Microdrives in JSpeccy.I've found what the "classic" MDR format ins't capable to store all the required inf…
... again, with a 15-byte record-descriptor-with-checksum ( ... fillings during writes and fight back for checking that the ... /> *
* CREATOR LENGTH (1 BYTE) [would be 0]
* CREATOR ... /> *
* COMMENTS LENGTH (1 BYTE) [would be 0]
* COMMENTS ...BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…
... memory[/QUOTE]
Write attribute byte.
[QUOTE]INC HL ; increment ... above[/QUOTE]
Yeah, right back at you.
[QUOTE]INC ...BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…
... Paper.
Write attribute byte.
Man, you're ... value.
Yeah, right back at you.
These ...New Spectrum (Spaceship) Mascot?Original spark here...[url]http://www.worldofspectrum.org/forums/showthread.php?p=588993#post588993[/url] I'm trying to write this without sounding …
... I may have to go back and tinker with it again ... />
btw nice graphics in Byte Me, I'm gonna have ...FPGA ZX SpectrumJust wonder: how many of you would buy "new hardware based" and "in case" ZX Spectrum based on FPGA? ;) [url]http://www.fpgaarcade.com/[/url]
... I have to put it back in. The memory bank paging ... have to draw to a back buffer and copy to the ... 256 color modes use 1 byte / pixel which is faster for ...Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... , then you only have one byte per character space. Or another ... render the screen from the byte-map. But it's probably ... quicker than copying from a back-screen.
Or just ...Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... , then you only have one byte per character space. Or another ... render the screen from the byte-map. But it's probably ... quicker than copying from a back-screen.
Or just ...Modern life is rubbishI don't know if it's because I'm getting old (34 soon) but I've noticed I have an apathy to everything recently. Modern video games bore me as do fil…
... course, you were care-free back in those days. The thing ... days which were more difficult back in the 70's and ... . I have never even played 'Byte Me' and yet I did ...PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
... 's the same, although one byte stores numbers 0-255. Go ... higher than that and the byte loops around to 0 again ... . What happens is you loop back around and get the answer ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... another block and (4) block back to empty background. You load ... the rendering could start a byte earlier to do an 8 ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... nice scroller and uses a back-buffer for the middle third ... unrolled LDIs to transfer the back buffer to the screen behind ... . The back buffer is bit-shifted and new 1-byte wide vertical ...Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…
... of 23:59) before returning back to 0:00. Also the ... ; reset time counter (the other byte is already zero)
9ec5 ...Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…
... this action requires an extra byte that can be saved from ... 's unable to ever go back outside due to an incorrect ...Using the ROMs PRINT routineI really am starting from scratch again it seems, but how do you utilize the ROM routine to print characters, I think you point te BC register to an …
... tho
pop af ;get back bit 7 of ascii status ...
inc hl ;next graphic byte
inc d ;next line ... /> pop de ;get screen address back
ret
;
get_char ...
