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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…
... messy. I mean, if you scroll tilemap faster than half a ... 3rd tile
asm
halt
end asm
BIFROSTshowTilePosL(...) ' show ... -
64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
... of scrolling only (horizontal or vertical) and optimising around that. The ... in background detail as you scroll onto a new area, and ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... /libsrc/_DEVELOPMENT/target/zx/zx_crt.asm
[/URL]
... =10... INCLUDE "startup/zx_crt_10.asm" .. ENDIF. Once that ... libsrc/_DEVELOPMENT/target/zx/clib_cfg.asm[/URL]
scroll
ioctl(fd, IOCTL_OTERM_PAUSE, ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... window can be programmed to scroll so you could even do ... and the window will properly scroll that.
[QUOTE=slenkar ... trivial to place your own asm code and data into any ... -
assembler for PcHi guys, I'm in the process of teaching myself machine code, and wondered if there is a good pc program for writing code. Or is the best thing to use…
... Environment Variables..."
* Scroll through the "System Variables" list ... ]
pasmo --tzxbas in_file.asm out_file.tzx
[/CODE]
pasmo --tzxbas mosaic.asm mosaic.tzx
[/CODE]
asm
ERROR: Symbol ' ... -
Edge Grinder, how would YOU do it?I always meant to post about this and AndyC reminded me in the 'vs' thread in games. [QUOTE=AndyC;808887]The thing I love about threads like this is…
... a vertical scroller.
Best trick might be 25fps PUSH scroll ... the scroll renderer with screen flipping to get double vertical attribute resolution ... -
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 z88dk with both an asm and c interface. It's ... like bitmap address, kern, width, vertical shift.
* [B]asm_fzx_glyph_width ... automatically performed.
* [B]asm fzx_write[/B]
Prints a ... -
Uridium possible with more colour??Having seen the MSX version of Uridium mentioned in another thread I wondered if the Spectrum could produce anything similiar, and had a go at a mock…
... would be a vertical scroller, since the attributes could scroll at the ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... 31 sp1_ex1.c gr_window.asm -o sp1_ex1 8639 ... /> char dy; // signed vertical speed in pixels
... [/code]
gr_window.asm:
[code]
SECTION ... -
Scrolling in BASICI remember a few BASIC typeins for other machines that claimed to be scrolling the screen. Obviously vertically its not too difficult - once you dis…
... tricky to do even in asm.. even c64 with hardware you ... .. so it's faster to scroll, but the downside is you ... statements on all machines.. loading ASM routinues into the computer via ... -
Russian Pascal CompilerHello,<div><br></div><div>Unfortunately I started a discussion (as OutBush) on the Temporary Forum Board not knowing how long it would be until the W…
... codes (0 - if not pressed).Asm(name_procedure) - call a assemler procedure ... . Codes of asm procedures, sprite data and other ... -
Game development guidesHello all, I want to get into game development for the ZX Spectrum and would like to know where I can find some helpful guides. I've looked around t…
... started to write about the Asm/C interface in [url ... means in the sdcc asm routine you need to pop ... ix and iy in your asm routines. We also go ... how we separate the asm entry point with register ... libraries are built. Just scroll down to the z80asm invocations ... -
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... make it possible to use asm from C. C pushes function ... also need a scroll function. Here's a scroll up for 6 ... -
1985-2015.A topic where we can review games released on the Speccy 30 years ago, or, anyway, talk about that year.
... of the arcade game. A vertical shoot'em up where you ... but the sound, the smooth scroll and the level of difficulty ... -
Fixed point math lib?Is there a liberally licensed fixed point math lib for z80 somewhere? When searching, I expected to find a bunch of GPL'd ones and perhaps one or two…
... .asm?revision=1.3&content-type=text%2Fplain
scroll ... -
Internet enabling a SpectrumHi, Yonks ago, I floated the idea of using one of these: http://www.mycal.net/old/wsweb/img/s7600a.pdf ..to Internet enable a Spectrum. I d…
... write a bunch of ARM asm for the DMA part to ... CLK signal and making it vertical (with a PCB tongue on ... -
Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... absolutely necessary in manually coded ASM* on the Speccy because frankly ... /arch/zx/graphics/z80/asm_zx_pattern_fill.asm?revision=1.9&view ... -
Simple Spectrum Character Creator Web AppHey guys, Here is a simple web app i wrote to create ZX Spectrum 8 x 8 characters: http://www.amelyn.com/speccy_character_builder/index.htm …
Added scroll up/down/left/right buttons.< ... /> Next up: flip horizontal/flip vertical and invert commands. -
Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... can only be used for asm functions. The same goes for ...
#define YMAX 191//Spectrum vertical screen boundary
unsigned ...
#define YMAX 191//Spectrum vertical screen boundary
unsigned ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... the other holds the asm stuff. The compile lines ... -per-node200000 demo.c graphics.asm -o demo
appmake ... /> unsigned char dy; // signed vertical speed in pixels
};
asm file "graphics.asm"
... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... keep to your plan to scroll them by 8 pixel steps ... )??
[b] Any thoughts concerning Vertical sections (ladder climbing isn't ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... /> [b] Any thoughts concerning Vertical sections (ladder climbing isn't ... poles?)
b) Vertical sections, will require some form ... uses a different kind of scroll.
In original game ... there is no scroll back, horizontal or vertical, so you never ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... you want the backgrounds to scroll.[/quote]
Yes, ... I'd probably just keep/scroll them onscreen, so no need ... scroll.
But if both methods are implemented separately (vertical ... length, and will have to "scroll" too, something like a ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... you want the backgrounds to scroll.[/quote]
Yes, ... scroll.
But if both methods are implemented separately (vertical ... thing going on, adding the vertical one is easier, it' ... length, and will have to "scroll" too, something like a ... -
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... . Moving a 1 pixel wide vertical bar (8 UDGs needed) over ... , so if you need to scroll by having several scrolled UDGs ...
