-
ZX Spin kicking up a strange errorDon't know if this is a 'strange' error or not, but it refuses to load certain Z80 files stating: [B][I]This Z80 file contains a block that decompre…
... mode (although loading 128 snapshots can be a bit temperamental).
2+ there's a 30-byte header, then a 2-byte additional ... additional header, then (repeated) a 2-byte data block length followed ... v2+ snapshots have a data block with a "packed" length which ... -
Wanted: broken motherboard!Does anyone have a motherboard for a 48k (any issue) that is currently not working? I'm looking to set up a test board for chips, and would like to g…
... 718984]Does anyone have a motherboard for a 48k (any issue) ... throughout.... If you have a board that is not ... working, for a reasonable price, do get ... you are better of using a +2 or toastrack board, as ... 4116 chip testing, and a +2 board for 4164 chip ... -
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…
... A and B, then the sequence A,B,A,B will seem like a 2 ... The sequence A,A,B,B will seem like a 2 frame animation playing ... slow (2 frames per ... until needed (since repeating tiles inside a tileset will make almost no ... -
GAC Tutorial Started!Hi all. I have a Youtube channel where I play old games and such. I also do a few programming tutorials. I have recently added a Graphic Adventure Cr…
... 5
*desc "You are inside a food shed. An abandoned food ... /> // items
1 "A rat. Possibly edible."
2 "A key. Can open ... />
*object
*id 2
*desc "a key"
*weight 4 ... -
coding guruOk I'm looking for a to help me in my quest to do my first proper game. The 80's child in me thinks he can do it, But the 2013 man in me knows zip. …
... 724612]1 page will hold a 128*128 map or more if ... Allocating space on a per-page basis is a smart way to ...
I would use bank 2 for the code (the one ... 're running on a ULA 128 or an ASIC 128 (banks 1, ... />
I would allocate a whole page for sprites, and ... -
128k+2 IssueI have been a Spectrum user for many a long year, currently using a Spectrum 48+, and have just had a 128+2 bought for me for my birthday (to recaptu…
... a Spectrum user for many a long year, currently using a ... and have just had a 128+2 bought for me for my ... I have already had a great time catching up ... My father also has a Spectrum +2 but sadly his one ... appears to have developed a fault ... -
Planning ZX-CentralDear readers, as I would like to start programming on ZX-Central (the central application of ZX-Modules) in a few weeks, I'm looking for suggestions…
... $-format-view for screens inside a datablock, eg a snapshot. Most will be ... all 'known' applications.
2. After the search has been ... ZX-Central itself is just a customizeable panel box. Each panel ... their apps seem to run inside my ZX-Central. Well, ... -
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…
... /> fmove ; x'', 10^(2^n), 10^(2^n)
fmul ; ... />
; THE 'LOG (2^A)' SUBROUTINE
org 0x2dc1
2^A), A=n
ld d, a ; n to D ... alternate register set
ld a, 128 ; shift f by
... -
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…
... br /> near_zero:
ld a, 128 ; or near zero
and d ; 2** - 128 if normal, else zero< ... a ; restore exponent byte
jr c, oflow_clr ; jump if 2** - 128 ...
inc hl ; second byte of result
ld (hl), a ... -
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…
... x w = pi/2
fneg ; -1/2, =pi/2
fjp ... ; w, atn (-1/x) case 2 and 3
fadd ; atn ... br /> fatan ; y/2
fmove ; y/2, y/2
fadd ; ... ; return if so
add a, 128 ; set carry if greater or ... -
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…
... only available as a bunch of source files inside a compressed archive. I ...
ld (.colour_mask),a
ld a,0xd7 ; SET 2,A
ld (.colour_instr ... -
NEW GAME: Elixir VitaeOnly 2 weeks after Janosik I have a pleasure to announce my next creation - a logical minigame called [B]Elixir Vitae[/B]. Just like another Polish …
... the 'NEXT' indicator, use a compiler directive so that this ... tiles and still save me a lot of work. :)
a separate custom routine for ... board, and 1 or 2 tiles inside the "next" box ... ctile definition without even using a buffer.
... -
Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…
... /> 1. A glyph is a generic name for a bitmap, a letter, a sprite, a mouse ... has a raster memory representation and is not vector graphics.
2 ... empty background. Perhaps inside a window that only takes a part of the ... -
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…
... 0x0b24
po_any:
cp 128 ; 7-bit ASCII?
jr ... bit 0 or 2 of graphic
sbc a, a ; A will hold either ... -
If the Wii is a GameCube 1.5 ...... What does that make the Wii U? The Wii was described a few times as a GameCube 1.5 in terms of power, so are Nintendo now operatining one genera…
... drawn double sided because drawing a polygon was faster than checking ... ve beaten off those 2 machines with a sh*tty stick, I ... of more ludicrously expensive chips inside the carts would've pushed ... recovering from the battle of a lifetime.
Basically ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... customize.asm?revision=1.2&view=markup"]here ... update list head - a dummy struct sp1_update acting ... the heap anywhere with a relevant invocation of sbrk() ... = 2360 bytes plus a little for malloc overhead.
inside a C function stub. The ... -
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…
... /> add a,a ; *2
ld b,a
ld a,(ix+4) ;A =bottom row ... =number of rows inside box
ld a,(ix+7) ;A =BotR:col ... br /> ld e,a ;E =number of cols inside box
< ... -
"8-Bit Bach" up-to-dateNot brand new, but after a long time I did notice of little errors during the performance of several tracks inside the program that I have to fix the…
... /> If there was a 128 basic play to vortex tracker 2 converter, this ... /> I once made a beepola to vortex tracker 2 converter. That could ... be adapted to read a tap ... -
IF1bis vs SpectranetSince I will shortly have access to both an IF1bis (which I've bought) and a Spectranet (thanks to a loan from cmonkey), I will be in a position to g…
... could work on Spectrum 128 +2/+3. The video was ... show that it works on a Spectrum 128 +2.[/QUOTE]
... show it is working on a 128. But it was posted ...
I have a +2 and +2A and the IF1Bis ... - it has been upgraded a few times since then. ... -
Changing the font in z88dkEither I've got this backwards or the documentation is incorrect... :smile: "[URL="http://www.z88dk.org/wiki/doku.php?id=platform:zx"]The standard Z…
... in the global scope in a C program, ie intermingled ... It's ok to inline inside a C function, as per usual ... />
XDEF _font ;; make _font a global name
_font ... /> _sprite:
defb 1,2,3,4,5,6,7 ... ,8
defb 1,2,3,4,5,6,7 ... -
Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... ,p2: LET a(a,1)=128+p1: LET a(a,2)=88+p2: NEXT a:
DATA ... (a(a,1),a(a,2),t): LET a2=FN y(a(a,1),a(a,2),t):
LET a(a ... ,1)=a1+l: LET a(a,2)=a2 ... -
really dumb questionbut can I use the following line to create a udg and if so how do I call it or use it via the graphics mode? Do I need to READ something somewhere? …
... have to wait for a retrace, do mainstream emulators ... ,0,28,162,64,128,0,32,192,0 ... ,56,0,56,68,128,128,0,16,224,0,- ... ,28,0,112,136,128,128,128,136,112,0,-1< ... ,0,224,16,0,128,128,68,56,0,-1< ... ,128,64,162,28,0,-2
20 LET a=USR "a": ... c=-1 THEN LET a=a-256:LET b=0: ... -
ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... followed by a gap.
During a Z80 memory ... is between fetching bytes 2 and 3, and the ... details described above, plus a schematic of the dynamic ... This has only been tested inside a simulator - as soon as ... bus multiplexed than generates a 14 bit address). The ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... on +3 Basic rather than 128 Basic.
How can ... the +2A/+3 ROMs with a 128+/+2 ROM.
The RAMDisc Syntax ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... the +2A/+3 ROMs with a 128+/+2 ROM.
The RAMDisc Syntax ... /> Is it possible to write a similar basic program that will ... -
Does anyone know why The Edge released Fairlight II twice?Can anyone clear this up? The original Fairlight II release appears to be a 48/128K dual release, in that if you have a 128K machine it loads both p…
... (had to borrow a grey +2 off Mr BiNMaN as ... , the more common 48/128 release *only* includes the ... in one go on a 128 and in two parts ... separate "Special 128/+2 Version" contains just the 128 version, as ... with separate 48 and 128 versions. Edge confused matters ...
