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Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…
... make a 8-pyxel horizontal scrolling. It wont take ...
also if you scroll, and background consist of paper ... ink because paper doesnt scroll along with pixels and ... when a 8 pixel scroll has completed paper will ...
i wish i could code well ( erm, AT ALL ) ... -
8 BIT WARSwhen 8bits ruled the home market Speccys, C64 and Amstrad were the big 3 fighting it out for supremecy.... but they didnt survive which as we know wa…
... lowest res you can only scroll by 4 pixels at a ... bottom bit off.
Horizontal scrolling can be achieved with ... edge of the dispay for horizontal scrolling.
There are ... being damn certain about your code!) Again modulators don't always ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... you might want to scroll down to the "The ... memory map:
[code]
; ADDRESS (HEX) LIBRARY ... br /> ; f200 - ffff SP1.LIB horizontal rotation tables
; f000 - f1ff ...
...
}
[/code]
As the header ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... scroll, with a register indicating pixel row to start from. For horizontal ... simple VHDL blitters and the code is pretty small.
The ... -
New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... scroll to show the new characters you're typing in. The horizontal ... 't solve the doesn't-scroll-as-you-type scenario.
code removes one of the REM ... -
2007, and still no NIC and browser for the Speccy?I've started to read all the w.o.s. threads, starting by the ones that came up with the search function, using the keywords of the topics that intere…
... : 1024x768 - Browser would have horizontal and vertical scroll capabilities,
images would ... done just to test some code while someone designs the interface ... -
Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... m.c. code routines will perfom horizontal or vertical scroll if needed, the ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... a later date. The scroll isr code is in display.c and ... before setting the scroll in motion:
[code]
void ... /> memset(disp, 0, 32); // clear horizontal scanline
disp += 0x0100; // next ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... br /> {
// sprite changes from horizontal movement to vertical movement
scroll
d_ScrollStart();
}
// ... /> The next bit of code:
[code]
// move player ... -
Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…
... sure I knocked up some code with this around 1993 but ... and then have vertical or horizontal attribute stripes which span the ... - depending on general the scroll direction but it could be ... say, these attributes "naturally" would scroll at 8 pixels each frame ... -
what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…
... them and you need clever code to sort and mask them ... all scrolling effects (vertical and horizontal?) are better on the C64 ... />
The CPC can hardware scroll vertically down to pixel level ... possible to use interrupts to scroll parts of the screen at ... -
Successor to the SpeccyBased on the rambling on the other thread it would be interesting to see what people felt was the 'spiritual' successor to the speccy. Amiga here....
... ST SotB. My later machine code routines did full 320x200 scrolling ... basic ST, you could hardware scroll 8 pixels vertically), but you ... stuck with the 16-pixel horizontal step because of the way ... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... better.
For example, horizontal text scroll in Dan Dare (bottom on ... replaced by my x86 machine code core.
[QUOTE]I ... -
New Game and HelloHi All, Long, long time lurker and contributor (hardware index, PiMan files etc..) but having been quiet for a few years I thought I might register. …
... 't have all that to scroll past in the type 0 ... and maximum co-ords for horizontal / vertical baddies is to set ... like...
[code]
IF TYPE 1 ; horizontal baddies
IF ... TYPE 2 ; 2nd horizontal
blah blah blah...
[/code]
LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…
... .
For a vertical scroll, move the point you start ... screen redraw.
For horizontal scrolling, write out a series ... re-program that line of code to place the ADD anywhere ... your head around self-modifying code, this has the same wrap ...The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... pixel sprites depending on the horizontal resolution (256/320 pixels). That ... sourcecode from 1994:
[code]
; ------------------------------< ... />
full_scroll
shadow_off
scroll 64,64
screen_on
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... think the scroll works:
It uses sets of horizontal pre ... years since I wrote that code...A video interface for the Spectrum, MSX compatibleSo you can use the same code for displaying sprites, tiles, characteres, and so no, on both the Spectrum and the MSX. That is, the Spectrum now has a…
... small.
[*]V9958 has horizontal hardware scroll, and most importantly: a few ... , to analyze it and find code that should be rewritten to ... ZX Spectrum, and adapt FPGA code and/or hardware where necessary ...SP1 library questionsI'm working on my first game. I've not written a game since the late 1980s and that was a text based multiuser dungeon for BBC Micros with econet... …
... connection with SP1 are the horizontal rotation tables for sw ... initialize call:
[code]
void sp1_Initialize(uchar iflag ... all the sub-optimal code the compiler generates at ... view=markup"]spectrum.h[/URL]. Scroll down to the "display ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... url]
Source code here:
[url]http://antoniovillena ... showed correctly (but the scroll in the emulator is well ... (of course without fine grain scroll).
3. The changes ... for vertical scroll (5b38 if horizontal and vertical scroll are used ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... url]
Source code here:
[url]http://antoniovillena ... showed correctly (but the scroll in the emulator is well ... (of course without fine grain scroll).
3. The changes ... for vertical scroll (5b38 if horizontal and vertical scroll are used ...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 …
What are you trying to scroll? The screen or sprite ... pixel row:
[code]
sprite data: LLLLLLLL GGGGGGGG ... loop: ; or repeat this code for each horizontal byte of sprite definition ... indicates the amount of horizontal shift needed so the ...The most powerful 8-bit machine, and CPU?Further to the discussion in: [url]http://www.worldofspectrum.org/forums/newreply.php?do=newreply&p=621787[/url] What actually is the best 8-bit ma…
... addressing modes. You can write code which is completely relocatable, using ... the CoCo2/Dragon, some hardware scroll (vertically per pixel, horizontally per ... beeper! (At least timer and horizontal IRQs are available). Naturally, a ...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…
... one direction of scrolling only (horizontal or vertical) and optimising around ... in background detail as you scroll onto a new area, and ... you do a copy. For horizontal scrolling, put the start address ... some point, using self-modifying code, you swap an INC for ...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…
... depending on the exact horizontal pixel coordinate. If you ... being drawn.
[code]
; h = shift table ... background
[/code]
The code above is repeated ... described here:
[code]
188 ; ix = top ...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. [url=https://drive. ... not based on your code, and I suspect it ... 'd need to restrict horizontal color changes to once ... scrolling:
[code]
ld a,(hl)
;and so on[/code]
This ...Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…
... br />
With the horizontal version, the same calls work ... in the bytes of machine code.
Lines ... Scrolling!
[code]
VAT_Scroll
10 ... 30 REM Sinclair BASIC Attribute Scroll Mechanism
40 REM ...Can I name a subroutine and then call it by name?No thats not really exactly the problem. I wrote 4 lines of Basic that draws an 8x8 square and then told it to check x,y and subtract 4 from x or y t…
... this could be done:
[code]
LET SQUARE=1234
...
RETURN
[/code]
but it would be ... fast I can get a horizontal pixel scroll in BASIC with a ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... bc
[/code]
Full latest code dump, splits what ... the way.
[code]
; Console functions for ZX ... the line)
; \t #09 (horizontal-) tab
; data ... cp 24
call z, scroll
ld (scr_out_row), a
