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Yamaha Keyboard for Sale.Folkes I'm selling one of my old keyboards, a Yamaha PSR510 which cost be about ?600 in the mid 1990s. Its an all in one with 61 keys, 128 sounds, 8 …
... code on the chip to read lyrics from midi files & scroll ... no way to access the code - the 630 is pretty much ... -
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…
... VHDL code as GPL?
Has you thinked about implementing hardware scroll? -
128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…
... two distinct blocks on each horizontal line, each an even number ... just about possible, but the code to maintain it is going ... -
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 …
Hewson's book 40 Best Machine Code Routines has a section on scroll routines, with a thorough explanation of each one. There's a PDF in the WoS archive. -
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 …
... with some really simple(ish) code that's easy to digest ... the EASIEST way to pixel scroll a 2x3 character sprite around ... -
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 …
... have trouble understanding the code. You should be ... br /> 00000001 11111110
[/code]
The sprite ... Turkwel's example.
[code]
draw_sprite:
... djnz loop ; repeat for each horizontal column
; ... -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... this:
[code] org 65000
di ...
end 65000
[/code]
Basically, a ... falling edge of the horizontal sync pulse.
... Sinclair Spectrum):
[code]
org 23296
Auto generated spritesLooking around for some graphics I came across [url]http://blog.disktree.net/?p=19[/url] , one of several such pages. Need the odd 8x8 UDG or two (…
... problem, you could change the code for generating the random numbers ... Rak has some interesting example code for random number generation that ... had time, Id also offer horizontal symmetry and 90 degree rotation ...Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... now looks like:
[CODE]100 REM Fast
110 ... REM
370 REM Stop Scroll?
380 REM Display Counter ... 201
830 DATA 999[/CODE]
It seems to ...Great Giana Sisters (never released)[url]http://www.worldofspectrum.org/infoseek.cgi[/url] daamm, this looks like my ideal game, I love left-to-right platform scrolling games like turb…
... authors attempted to have both scroll and very fast advanced graphics ... good fluidity, but much simpler code.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 …
... absolute memory addresses in draw code or (IX+n) type ... share the same graphic data. Horizontal shifting is accomplished via table ... smart enough that a 0 horizontal shift causes a much faster ... that although the actual draw code will be faster than other ...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 …
... absolute memory addresses in draw code or (IX+n) type ... share the same graphic data. Horizontal shifting is accomplished via table ... smart enough that a 0 horizontal shift causes a much faster ... that although the actual draw code will be faster than other ...PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
If you just wanted to put some points and lines on the screen, Damian Scattergood explained exactly how to use the ROM routines in 2 half pages in Sinclair User:
[url]http://www.worldofspectrum.org/showmag.cgi?mag=SinclairUser/Issue075/Pages/ ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... of R-Type does not scroll the entire screen, that would ... space. You only need to scroll the yy characters and not ... a block of characters to scroll (and scrolled them) you need ... there are very few contiguous horizontal background characters.
This ...RND CommandsExactly how random are they? Reason I ask is I'm using 4 of them to generate a random number, the value of which then assigns movement commands to f…
... I missing something?
[CODE]10 PAUSE 0
20 ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... been poking around in that code, as I'm rubbish at ... looking at other people's code. I usually just resort to ... .
In fiddling with code I find it can sometimes ... width of the screen would scroll in under a second; 1 ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... 596260]In fiddling with code I find it can ... surprised to find some code from [I]Green Beret ... of the screen would scroll in under a second; ... Hysteria[/I] was to scroll the ground every single frame ... game design allows it - Scroll a peripheral portion of ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... be surprised to find some code from [I]Green Beret[/I ... it was about 2048B to scroll. upper part is cleared by ... PUSH, dont remember how scroll was performed on the most ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... I can do the Cobra scroll over the full screen ... . A 16-character wide horizontal scrolling game isn't going ... I could then 4-pixel scroll the main screen. I ... Speccy for a 2-pixel scroll, or 2 buffers for ... a 4-pixel scroll. But sadly, without being ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
In discussions of horizontal scrolling I'm always surprised ... first full colour smooth scrolling horizontal shoot-em up I'd ... />
Granted that the parallax scroll effect is limited to the ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... =Arjun;597549]In discussions of horizontal scrolling I'm always surprised ... first full colour smooth scrolling horizontal shoot-em up I'd ... />
Granted that the parallax scroll effect is limited to the ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... I can do the Cobra scroll over the full screen at ... in where you position your code for drawing sprites and managing ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... in where you position your code for drawing sprites and managing ... 've said, given that the scroll in [I]Cobra[/I] is ... the sprites than doing the scroll. But so it can be ... design. There's that 50fps scroll at the bottom, and the ...New Game! Maritrini, Freelance Monster SlayerAfter experiencing the sweet taste of success, Maritrini woke up one fine day in a mess of bed sheets and with the biggest hangover she could remembe…
... games with alternating floor tiles scroll a little bit slower.
code of this great game, but ...Interesting speed increase...Hi Folks, You may already know the following but I found it "interesting". I have been developing a model railway timetable program in BASin for th…
... Studio, Eclipse or propritatry IDEs. Code can be stepped through, variables ... code in MS Edit (DOS edit), then run the compiler, then scroll ...Interesting speed increase...Hi Folks, You may already know the following but I found it "interesting". I have been developing a model railway timetable program in BASin for th…
... code in MS Edit (DOS edit), then run the compiler, then scroll ... . You can even generate managed code for .NET or Java byte ... code to run on the JVM ...New WIP from Kabuto Factory: A.R.C.O.S.Hi everybody! After a long time in silence (...you know, life and its commitments...), we're coming back with new WIP for Speccy: A.R.C.O.S., a new …
... a little "starfield" scroll to maintain the scroll effect and get more ... .: @Ralf: thanks for the source code... i'll take a look ...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…
... 140.gif[/IMG]
[CODE]
/****************************************
sp1 ... br />
// C and SP1 code libraries are added here.
uchar dx; // signed horizontal speed in pixels
uchar ...A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... suggestion? I see you have code 255 to indicate that a ... piece falls, I deactivate rendering, scroll it, then reactivates rendering so ...
