-
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 …
... copy one line of the screen in bytes, using LDI ... to copy up your screen, then over-write the ... interrupts and use the stack pointer as your offset: ... next line. The next screen line address (in DE) ... a similar trick with that screen row address table - either ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... this one below using the stack (a bit silly? I know ... de,hl ;point de at screen
pop bc ;pop ... ),c ;put them on the screen
inc h
ld ... />
ex de,hl ;get screen addres
ld a ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... what you do with the stack, and using ix as a ... ]For printing a moving (full screen) background from a limited set ... ~350 blocks on the screen using my stack routine*, but using Hikarus ... -
SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... string parameters on the calculator stack, point CH_ADD to the name ... /> ld (DF_SZ),a ;reset lower screen to 2 lines
call ... -
Games Club WC 18/6/12Jungle Fever - A'n'F Software Mastermind - M.S. Boboli M.Sc. Death or Glory - CRL Group PLC lot of games there, 3 in fact
[QUOTE=Jumping Stack;633510]Its not that I ... to get past the first screen fairly quickly if nothing else ... -
Games Club WC 18/6/12Jungle Fever - A'n'F Software Mastermind - M.S. Boboli M.Sc. Death or Glory - CRL Group PLC lot of games there, 3 in fact
[QUOTE=Jumping Stack;634644]I'm afraid Alessandro's silence must also be put down to his failure to pass screen 2. [/QUOTE]
Which silence? :???: I didn't even take part in this, I am too busy with the Spectrumpedia to even consider playing. -
Games Club WC 18/6/12Jungle Fever - A'n'F Software Mastermind - M.S. Boboli M.Sc. Death or Glory - CRL Group PLC lot of games there, 3 in fact
... Stack;634728]
C'mon Reb, Gru, Senor Ram, lets go, screen ... -
Games Club WC 18/6/12Jungle Fever - A'n'F Software Mastermind - M.S. Boboli M.Sc. Death or Glory - CRL Group PLC lot of games there, 3 in fact
[QUOTE=Jumping Stack;634724]Still a pit ... 634824]Alright! Made it to screen[LIST=1]
[/LIST] ... the 2nd.
Still, screen 3 is a triumph for ... /> Edit: made it to 4th screen now.[/QUOTE]
... Ramirez;635772]In the second screen (the pit), after many ... -
Games Club WC 18/6/12Jungle Fever - A'n'F Software Mastermind - M.S. Boboli M.Sc. Death or Glory - CRL Group PLC lot of games there, 3 in fact
... reach next screen hehehe[/QUOTE]
[QUOTE=Jumping Stack;636023]*holds ... -
DooM on Spectrum 128kHello my fellow WoS'ers My hope is that you can help me, recently I discovered a DooM clone -esque on the Humble spectrum, - here is a [URL="https:/…
... as far as the final SCREEN$ before the main menu, although ... have to keep patching the stack so the code exits into ... system variables before the next screen, otherwise it jumps back via ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... to have a high resolution screen in 128K Spectrum like Timex ... draw a character, scroll the screen, or clear a line. Before ... page it temporarily relocates the stack. When dealing with the column ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... draw a character, scroll the screen, or clear a line. Before ... page it temporarily relocates the stack. When dealing with the column ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... ' :)[/quote]
The old stack pointer is stored in the ... for a few CALLs during screen drawing.
[quote]The ... -
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... frame (using a slightly slower stack-friendly version of the sprite ... has a massive table of screen addresses to achieve that. All ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... memory is used only small stack for some adress (may be ... add to rom nice menu, screen backup to sram, compatibility with ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... memory is used only small stack for some adress (may be ... add to rom nice menu, screen backup to sram, compatibility with ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... it doesn't boot, the screen is full with random colours ... are pushed to the stack. Eventually, the stack reaches the lower part ... -
real value of some of these books as learning aids?Ok, I admit perhaps it was a late night and frustration. :???: I could have been hallucinating when i was doing the typein. But I think not.. [url]…
... pixels at a time (one screen byte). Chris Pile published an ... ) that could do the full screen in a fraction of a ... do most area fills on screen using 300 or so bytes ... space is reserved on the stack and the fill routine exits ... -
Assembly game programming on ZX how-to?Hi. I'm planning to build and release new software for the Speccy but I'm pretty lame as to handle its hardware despite a good mastery of Z80 assembl…
... understand is the organization of screen memory and the whole idea ... to draw anything on a screen (sprite, pixel, text, whatever) ... ll be copying bytes to screen memory area which is ... up your program - copying through stack, unrolled loops, lookup tables, ... -
Assembly game programming on ZX how-to?Hi. I'm planning to build and release new software for the Speccy but I'm pretty lame as to handle its hardware despite a good mastery of Z80 assembl…
... was used to write the screen through LDIR because I never ... thing said about using the stack... the stack operations are afaik among ... -
Disturbing momentsWhat happens when you successfully qualify at skeet shoot on Hyper Sports is downright unsettling. The not-quite-human face of the previously unseen …
[QUOTE=Jumping Stack;653024]Our very own Ralf' ... relief of coming through a screen.
It is a quirky ... have shot the lot on screen six, as the girl revealed ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... a direct effect on the screen display.
The complicated ... showing where the machine stack is in the RAM.< ... push'. To write from the stack we use 'pop'. What ... goes on the stack first will come off last ... score
pop hl ;empty stack
ei
ret ... -
Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …
... part just fills the screen so you can see ... contents of B for different screen sizes.
... here once to do whole screen
ld hl,16384 ... way it looks the screen is being pulled down ... uses a screen address table and manipulates the stack pointer, so ... -
Coding for 128kHi all, I wonder if anyone can suggest any useful reading/threads/examples on the fundamentals of 128k coding. Chapter 24 of the +2 manual has prov…
... screens. Just like moving the stack pointer to do a PUSH ... in one bank, set the stack pointer and use POP to ... page in the hidden screen, alter the stack pointer again and PUSH ... -
UDG in AssemblyHello there my fellow WoS'ers I am currently having a play with z88dk and PASMO and would like to have some fun with some UDG's so is there a tutor…
... character row of the pixel screen. The second one, ... then pushes that onto the stack for later.
screen address in DE.
... to draw the graphic on screen.
[CODE ... 'll mess with on the stack
ld ... -
UDG in AssemblyHello there my fellow WoS'ers I am currently having a play with z88dk and PASMO and would like to have some fun with some UDG's so is there a tutor…
... 'll mess with on the stack
ld de, chars ...
ld d,(hl) ;de = screen row address fetched from table ... /> inc d ;next byte of screen, +256
djnz loop ;repeat ... -
my tiny intros[IMG]http://pouet.net/screenshots/60493.png[/IMG] [url]http://pouet.net/prod.php?which=60493[/url] the following work will appear behind Demosplash…
... or attribute 5 on ZX'screen is defined as the sum ... /> push hl; stored on the stack
dec hl: ld e ... more convenient to raise the stack (1b/3b)
pop hl ... -
Please help me with the name of the gameDear All, a few days ago I read about the first speech in video gaming history on the iddqd.blog.hu page - a hungarian blog about (retro) gaming. An…
[QUOTE=Jumping Stack;659659]So, I'm still ... game or just the WOS screen shot?[/QUOTE]
I ...
