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Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…
... of a USR routine, start with:
HALT : DEC SP : DEC ... by starting the USR routine with:
PUSH BC : POP HL
DIVIDE PLUS - new memory mode DIVIDE128Divide PLUS contain 512kB sram + 512kB flash eprom. Memory paging in this device is enable on two different ports : 1) port #E3 is compatible with o…
... ;disable interrupt,disable MB02 memory,set divide block 1< ... divide ram page 3(memory ROW3) with write enable
... LDIR ;copy rom image with divide system from adress 24576 ... select divide ram page 1(memory ROW1)
RST 0 ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... decide whether you want to fill with white or black pixels or ...ZX-Spectrum 16KWanted working 16K machine for reasonable price I'm located in NY, U.S.A. Thanks!
What is your price?
P.S. Yes, I have some project in mind :)
I want to build external memory extender with some additional features ;)generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... in a subroutine enclosed with PUSH DE/POP DE, with the out of ... : sbc hl,bc : ret c : push de ... pop de : ret
generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... in a subroutine enclosed with PUSH DE/POP DE, with the out of ... : sbc hl,bc : ret c : push de ... pop de : ret
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
Thanks for the help :) Replacing exx with push/pop hl and using $ff as string terminator seems to do the trick. The vertical offset I got was probably due to an error in my own code.FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... for the help :) Replacing exx with push/pop hl and using $ff ...Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... sandclock. Probably there were memory issues with the sand clock animation implementation ...Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... sandclock. Probably there were memory issues with the sand clock animation implementation ... ' or as you say issues with the memory/screen redraw etc
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…
... you can jump around the memory map with minimal overhead. The screen ...Connect spectrum to monitorHello, Probably a stupid question but I'll ask it anyway :) Is there a way to connect a spectrum to a vga or dvi monitor? Thanks, Ant?nio
... to video memory but with maintaining it's own video memory with any possible ... output option (VGA, NTSC etc), but with this ... approach some tricks with interrupts (that many ...i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…
... currently taking a trip down Memory Lane with my brother, listening to ...That painter thing..I'm struggling to think of a non clunky way of detecting when a 'box' has been surrounded and can be highlighted, like in the pic: [IMG]http://i1142…
... ;B =row diff
push bc
push hl
ld a ... ;HL=top row pointer
push hl
ld a,16 ... /> jp nz,NextBox
;fill box
push bc
ld b ...Help me with this Stack overflow Freak Show.I am asking a simple question on Stack overflow and once again, the closed minded morons a pointing and tutting. I'm asking a question about C point…
... setting aside storage someplace in memory for a "val" and ... speccies :) ). An "int *" is a memory address so the compiler sets ... mind C is only modelling memory address with pointers. Each time you ... have actual storage where a memory address is stored. A ...Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... know about. I tried it with my routine - lzdpack0 - ... set RAMTOP down to 23843 with PUTRAM, enter the size ... able to do Kokotoni with File Compressor at that ... way and created a memory snapshot with a black screen and ... though I froze it with a black screen and ...RAM7 in 128K modelsWe are developing a game with lots of contents and we have already filled up RAM1, RAM3, RAM4 and RAM6. I was wondering if there's any problem in us…
... buffer and filled the memory banks with data in order to load ... record, I filled bank 7 with 8222 bytes of data.Game WYSIWYG makersIs there any such thing as a WYSIWYG editor for making games for any retro systems that run on a PC?
... 't have to be in memory along with all the logic-code ...Game WYSIWYG makersIs there any such thing as a WYSIWYG editor for making games for any retro systems that run on a PC?
[QUOTE=Sokurah;753227]...as the designer wouldn't have to be in memory along with all the game-code...[/QUOTE]
I hope you'll forgive me, Sokurah ;-)Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …
... a tool that takes the memory dump with the sprites, allows you ... and go from png into memory...
Anyway, looking ...Metal Man walkthroughIf you were watching the recent Russian game compo a little bit you probably turned your attention to Metal Man Reloaded, a very colourful and impres…
... all didn't use memory copying via PUSH/POP, using LDI sequences ...Latin-1 font for FZXI'm currently creating some [URL="http://en.wikipedia.org/wiki/Latin-1"]Latin-1[/URL] (ISO 8859-1) characters to be added into [URL="http://www.world…
... Speccy software is generally concerned with Latin and Cyrillic scripts ... With compression and a glyph cache, you could cut down the memory ... requirement with some cost to performance ... based on Latin-1 with a few escape characters for ...Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
... it!
The thing with PUSH/POP is how quickly you ...Yumiko in the haunted MansionSo, here is the promised Halloween preview... Go to the zx section of my homepage to download it. [img]http://members.inode.at/838331/zx/YomikoInTheH…
Yes, there is a different position of Yumiko. Just tell us the memory address with X-coordinates of Yumiko for this level, she must stand about two squares to the left ;-).
It's a pity also, you can't still walk around the doors without a key.Yumiko in the haunted MansionSo, here is the promised Halloween preview... Go to the zx section of my homepage to download it. [img]http://members.inode.at/838331/zx/YomikoInTheH…
... . Just tell us the memory address with X-coordinates of Yumiko for ...DIM and FOR, NEXT loopHi there. I'm making a program with 100 items on screen using dim and a for next loop. The thing is, each time I want to manipulate the items I do an…
... . I'm making a program with 100 items on screen using ... is slow(even after compiling with mcoder 2).
here ... /> [/CODE]Also better use memory access with peek and poke because they ...LOADing 128k's worth of data???Just getting to grips with the concept of the 128's 'bank switching' set up, but how can you load the stuff into memory from tape (or TAP file)? Do…
... ;768136]Just getting to grips with the concept of the 128 ... you load the stuff into memory from tape (or TAP file ... and place them in a memory bank with a routine?[/QUOTE]
with IX=0xC000, DE=0x4000, A ...48k Spectrum ULA issue?Hi All, Have a couple of Spectrums Plus' with their orignal ULAs showing the failure as in screen 2 on the left. [URL="http://hardware.speccy.org/i…
48k Spectrum ULA issue?Hi All, Have a couple of Spectrums Plus' with their orignal ULAs showing the failure as in screen 2 on the left. [URL="http://hardware.speccy.org/i…
... seeing there is the graphic memory filled with random garbage.
with the faulty Spectrum.
with, you can still try this ...48k Spectrum ULA issue?Hi All, Have a couple of Spectrums Plus' with their orignal ULAs showing the failure as in screen 2 on the left. [URL="http://hardware.speccy.org/i…
... seeing there is the graphic memory filled with random garbage.
... by there being a problem with A0 somewhere, but that ... by there being a problem with A6, for both pixel ... well the ROM runs with this ULA. No matter ... screen or black screen with red bars for a ...
