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Tribute Pixel Art PosterIt's been a special day today so I chose today to unveil an update to my pixel art poster (one of the first things I posted here a long long time ago…
... .com/store.php"]this site (scroll down a bit)[/URL] has ... Ant Attack escape the speccy attribute space into "regular" colours is ... -
Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... even if you want to scroll 22 lines only, ld h ... matter of setting the right attribute instead of "ld (hl ... is in pixel area or attribute area and if it ... is clearing attribute byte then put your ... default attribute for empty screen instead ... -
Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... 192 pixel bytes and 24 attribute bytes
ld c ... (hl),4*8 ; put default attribute
next_address:
ld ... , you maybe want to scroll whole screen, not only ... got it you want to scroll attributes only, am i ... will be easier as attribute area is linear. -
Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... have to change default attribute to yours ;] 4*8 ... would store the original attribute somehow and would put ... said you wanted to scroll one column of characters ... that you wanted to scroll all but one column ... a routine to selectively scroll a character column of ... -
Microhobby's Pixel A Pixel compo: help requiredHi! The start of this story is described in this topic: [url]http://www.worldofspectrum.org/forums/showthread.php?t=38955[/url] At the present mome…
... not required in our case. Scroll the preview window here or ... to the start of color attribute. Set "X start" and "Y ... /> Each start of a new attribute is marked by a green ... -
Speccy Bros by Climacus (ZX Spectrum)At last, "Snow Bros" conversion to ZX Spectrum is a dream come true. Now available for download and play. Thanks to climacus, Radastan, Shiru and res…
... ;629158]Well I think that Snow Bros is megafun anyway. In ... . Smash TV also used the attribute colored sprites and lacked the ... -
Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…
... /> The ULA bug which causes snow when I is set to ... observes the demo loop, a scroll defect can be seen, nonexistent ... -
Goody - another game that was supposed to be colourAfter the success with Outrun Europa ([url]http://www.worldofspectrum.org/forums/showthread.php?t=39143[/url]) I decided to search for more games tha…
... . They don't write to attribute area and seem to be ... to force the game to scroll by 8 pixels instead of ... -
Printing a ListingHello my fellow WoS'ers Todays trouble starts with the need to print-out a listing - personally I would prefer a text file, but beggars cannot be c…
... ;CHR$ 0'"Windows will automatically scroll upwards when required, or you ... can scroll them up manually:"
180 ... possible to use the standard attribute and cursor-movement features such ... -
ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…
... , not the column address. The attribute byte is fetched from the ... in the display memory, the attribute byte that corresponds to this ... 've never looked at the snow effect on a screen with ... it affects the display and attribute byte pair fetch that follows ... -
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…
... /> The simple way is the Attribute file, from 22528 to 23296 ... 21 bytes further in the attribute file.
Insert line 15 ... bytes (1 screen) down the attribute file.
ld (32900),hl ... scroll the road down the screen we copy the screen attribute bytes ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... /> M2: 0 for the standard attribute byte for each 8x8 pixel ... with Timex HiColour mode (one attribute byte for each scan of ... with Cobra too, and the scroll is as soft as always ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... ]M2: 0 for the standard attribute byte for each 8x8 pixel ... with Timex HiColour mode (one attribute byte for each scan of ... going to make a 50Hz scroll a little trickier... :roll ... -
Compressors are available for Speccys ?Hi folks, although I was an wasn't strictly a speccy coder in the glory days (amstrad & amiga for the most part), I have secides to arse about with …
... decompressing.
' See also corresponding attribute [checked="yes"] in
' HTML ... -
Horizontal Scrolling/Per Character gamesHello. Can anyone give me the titles of some Speccy games (preferably good ones, but I don't mind hearing about bad ones too) that scroll the playin…
... methods - one is to scroll some data in-memory or ... works by having a scroll routine with a different list ... of scenery. It could scroll at any speed and refresh ... consider having a separate attribute map and a mask byte ... for each UDG's attribute data so you can ... -
Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
... routine filling the screen with attribute which takes the level number ... . In level 5 the counted attribute is black on black, and ... :-
[code]
;vindicators attribute fix
org $c5d1 ... -
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…
... ]
The hardware scroll avoid the attribute clash in tiles, so ... needed in the sprites. The scroll affects to the entire tile ... -
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…
... of this hardware scroll are:
A) Scroll the background is ... ) You avoid the tile attribute clash in smoth scroll games (horizontal and ... an online emulator with hardware scroll support:
[url]http ... (3rd link) to try the scroll yourself. -
Which games gave you feeling "this can't be spectrum" ?Hello. Long time no post here :) Was looking back into past, thinking about ZX games... So in your opinion, which game (graphically) gave you feel…
The making of R-Type on the speccy book, free downloadBob Pape, the guy who wrote R-Type on the speccy has made his book, "IT'S BEHIND YOU: the making of a computer game", available for free download: [u…
... seems to be saying the scroll routine would scan this and ... only scroll the corresponding characters on the ... blanked out with a 0 attribute.
It was a ...The making of R-Type on the speccy book, free downloadBob Pape, the guy who wrote R-Type on the speccy has made his book, "IT'S BEHIND YOU: the making of a computer game", available for free download: [u…
... has fine and coarse hardware scroll and a linear bitmap mode ... there's ways to smoothly scroll bitmaps [i]really[/i] easily ... screen or even overscanned smooth scroll can be done in a ... for character set, screen, bitmap/attribute or sprite definition data so ...Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
...
scaling
screens
scroll
scrollshooter
shadebobs
snow
spiral
sprites
star wars scroll
starfield ...SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... sets.
[*]Scroll counter increased.
[*]Set the permanent attribute: COLOR 7 ...SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... BRIGHT bits
[*]COLOR?inline ATTRIBUTE command
[*]DELETE?block delete ... to the stored palette
[*]SCROLL?text scrolling
[*]SOUND?play ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... -----------------------------------------------------------------------------
; THE 'SCROLL BUFFER' SUBROUTINE
org 0x2571 ... /> jp po_scr_3 ; scroll the screen and return ... br /> and %11100000 ; attribute
xor b ; address ...What would you do with four joysticks?Anyone got some inspiring ideas for four-player games, or twin-stick two-player games..? I can think of, for four players: [I]Warlords[/I] (Atari) […
... scenery blocks using attributes, then scroll them up and down just ... attributes. And you can redraw attribute-coloured blocks off-screen so ... 'bullets', by just setting an attribute.
I'm also ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> ld (attr_p), a ; set permanent attribute
ld hl, 0x0219 ; set ... display
ld a, 25 ; scroll counter value
sub (iy ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... scroll count
.ifdef ROM1
ld hl, (attr_t) ; get temporary attribute ... de ; next destination attribute
inc hl ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... pop af ; unstack scroll number
dec a ... (hl), a ; set attribute byte
dec c ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
...
ldir ; scroll pixel line in graphics ... (hl), a ; set attribute byte
dec bc ...
