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128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…
... write to it, at address 49152. You can't page it ... the usual screen address at 16384. Bank 5 is fixed there ... address 49152, then immediately read the same data back from address 16384 ... -
128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…
... address 49152, then immediately read the same data back from address 16384 ... -
128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…
... di
ld hl,49152
ld bc, ... .
ld hl,16384 ; Wipe every byte of RAM ... ldir
ld sp,49152 ; Point SP so it pushes ... 0 back in, starting at 49152 and
; also switches ... -
128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…
... HL,49152 ; start address of data to copy
LD DE,16384 ... HL,16384 ; copies the first 6144 bytes
LD DE,49152 ; from ... all 16384 bytes of data have been transferred to address 49152. From ... bytes of data instead of 16384, otherwise on the +2A/+3 ... -
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 …
... . Extract fileA to bank2 (32768,16384 bytes)
3. Copy fileB ... /> 5. Extract fileB to bank0 (49152)
I'm probably ... -
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,49152 ; start of data to copy
LD DE,16384 ; ... HL,16384 ; copies the first 6144 bytes
LD DE,49152 ; ... thus transferring all of the 16384 bytes
LD BC ... 16384 bytes of daya are copied in bank 0, from address 49152 ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... /> LD HL, $5800 ; 16384+6144
call fill_attrib_data
LD HL,$4000 ; 16384
call fill_screen
... /> LD HL, $D800 ; 49152+6144
call fill_attrib_data
LD HL, $C000 ; 49152
call fill_screen
< ... -
Best place to start learning assembly on WOS ?So I'm pretty new at this forum but not the Speccy so my BASIC is pretty good. I can see lots of resources on WOS for doing machine code/assembly but…
... see:
Screen:
16384 vs 0x4000
18432 vs ... />
32768 vs 0x8000
49152 vs 0xC000
65535 vs ... -
Graphics program in AssemblyHi so I think I'm getting the hang of this so I've done this program. It writes directly to the screen. I'm using ZX Spin. [code] LD HL,16384 LD B,…
This is just an example of what the stack can do.
It is just swapping values around.
[code]
LD HL,16384
LD DE,22528
LD BC,49152
PUSH HL ; put 16384 onto the stack
; stack 16384 -
Ooze, Andy Johns - 2017Here is Ooze by Andy Johns, written using AGD Hacking and additional code David Saphier Music by Miguel and Raydan. http://zxbasic.uk/uploads/o…
... :
@40000 credits (extracts to 16384)
@40000 loadingscreen (extracts to ... 16384)
@40000 data, this extracts to memory bank 4 @ 49152 ... -
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... /> [code] PAGE 0
ORG 49152
MODULE PAGE0
DISPLAY "* PAGE 0: ", /D, 16384-(PageEnd-PageBegin), " bytes free"
Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... you do a SAVE ... CODE 16384,49152 your program can't be ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... 6912 bytes long starting at 16384 mostly.
If you ... there, then type LOAD "" CODE 49152, it'll load to the ... .bin file as data from 16384,6912 bytes long.
49152, I think that might work ...Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... you do a SAVE ... CODE 16384,49152 your program can't be ...Can I record binaries from any emulator with Basic commands, machine code, macros or something?Hello I do not know if this is the right place to put this question Normally with ZXSpin if I want to save a binary file, I'm going to: file ->…
Surely
SAVE "binary" CODE 16384,49152
(within a running program) would do this...
Then to reload
1 LOAD "binary" CODE
would do the rest!How to store and recall a "window"?I would like to memorize and then restore a rectangular portion of a screen, pixels and attributes. To make things easier, this "window" would be sit…
... />
[code]
org 49152
defm "ZY10"
; HL = 49152 + 256 + A x 1152
ld d, 64 ; 64 * 256 = 16384
inc e
learning with the spectrumHello friends! When you load a game into the spectrum (i.e a game for the 48k), how can you guess where is stored its first and its last instructio…
... ?? I know from 0 to 16384 you can find the ROM ...Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... of the RAM is at 16384 which is where the screen ...Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…
... my own.
Secondly, 16384 to 23296 is the graphics ...virtual ZX party - send Your works!!!! :)Hi there! Below You can find rules of virtual ZX party - ANTIQUE TOY 2004. Read it and send Your works to e'mail addresses contained in the rules…
... be compiled on address #C000(49152). This
requirement is a ...Pit-Fighter_ProblemHi! Somebody know,why 128k game,Pit-Fighter(.tzx file) don't load in 128k mode?(game reset after 2 blocks,with lenght 16384)...Hit-Squad release als…
... after 2 blocks,with lenght 16384)...Hit-Squad release also don ...KEEP THE SPECCY ALIVE ;)I just would like to remind You, that there is virtual competition for zx-music and zx-graphic. Don't be lazy, don't wait anymore, but send Your wo…
... be compiled on address #C000(49152). This
requirement is a ...TASM, Z80 and Spec emusHi! Having some novice questions here regarding TASM and writing machine code for the Speccy emus... Now I have configured TASM into my EditPlus and…
IM 2 interrupts and smooth scrolling - easy peasy!Okay, been fiddling around with IM 2 and have actually mastered (I think) how to use IM 2! Now I run my game Ragnar Revival in IM2 and use HALT to sy…
...
;at 35002 that increments (16384)
intfunc
push ... hl
ld hl,16384
inc (hl)
pop ...How do I save to tape, as it wereSo I've written my game, I've written a loading screen, I want to now put everything together with a loader etc so that it is the same as loading str…
... /> ie. Basic prog load "" code 16384, then load "" code 32768 etc ...Compressed Loading ScreensHi everybody From my speccy memories I could swear I could remember games with loading screens that took less than normal time to load. But up until…
... just load a block at 16384.
I began to ... this by loading it at 16384.
Ok, does anybody ...
