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A New 21 UDG Plotter BASIC ProgramHello All, Here goes... My first proper Spectrum program for 20 years! And the reason why I've been asking about multiple banks of UDGS recently. …
... a UDG plotter which allows you to edit all 21 UDGS on screen ... -
The bizarre cost of thingsI think the world has gone completely silly when it comes to setting the prices of things these days. I've just bought a pack of 25 HB Pencils fro…
... for £8, or a 21" teletext flat screen TV for £99, or ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... = upper screen.
call 5633 ; open channel.
ld a,21 ; row 21 ... = bottom of screen.
ld (xcoord ... channel (top of the screen)
ld a,21 - this loads the ... -
Game Editor questionI'm currently updating my image utility - TommyGun and my old Map editor, which I haven't released on WoS yet. My question is this. Would people li…
... , sprites, character sets, UDG, screen$, sounds, action lists, and screen maps.
The bizarre cost of thingsI think the world has gone completely silly when it comes to setting the prices of things these days. I've just bought a pack of 25 HB Pencils fro…
... for ?8, or a 21" teletext flat screen TV for ?99, or ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... in contended RAM. Even the UDG/screen back buffer is in contended ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... in contended RAM. Even the UDG/screen back buffer is in contended ...ZXDS questions...Hi Folks, I am hoping someone on here knows something about [B]ZXDS[/B]. I have downloaded the program to my daughters [B]DSi[/B] (for testing purp…
... joystick button from the Controls screen maps the controls to match ... I can see the loading screen for a while. And once ... program plus a mixture of UDG, SCREEN$ and data side files. These ...ZXDS questions...Hi Folks, I am hoping someone on here knows something about [B]ZXDS[/B]. I have downloaded the program to my daughters [B]DSi[/B] (for testing purp…
... program plus a mixture of UDG, SCREEN$ and data side files.[/QUOTE ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... = upper screen.
call 5633 ; open channel.
ld a,21 ; row 21 ... = bottom of screen.
ld (xcoord ... /> cp 255 ; past top of screen yet?
jr nz,loop ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... /> [code]ld a,21 ; row 21 = bottom of screen.
ld (xcoord ... it nothing is displayed to screen.
[code ... screen.
call 5633 ; open channel.
;ld a,21 ; row 21 ... = bottom of screen.
;ld (xcoord ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... from the top of the screen and y is the number ... /> [code]ld a,21 ; row 21 = bottom of screen.
ld (xcoord),a ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... ]cp 255 ; past top of screen yet?
jr nz,loop ... on.
ld a,21 ; row 21 = bottom of screen.
ld (xcoord ...How to Write ZX Spectrum Games - Jonathan CauldwellHello, I'm trying to improve my very basic level of assembler by reading the Jonathan Cauldwell guide. I'm fine with the basics LD, CP, and JP,…
... screen.
call 5633 ; open channel.
ld a,21 ; row 21 ... = bottom of screen.
ld (xcoord ... cp 255 ; past top of screen yet?
jr nz ...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 …
... a 21 character udg preview as we speak. After that, BASIC udg generating ...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 …
... ="BigBadMick;863614"]Working on a 21 character udg preview as we speak ... . After that, BASIC udg generating output, along with other ...How do I save my work using FUSE?I'm not having any success using SCR it returns a message about the header being unreadable when I try to LOAD an SCR which was the only viable optio…
... in assembler, profiling tools and UDG/screen editing tools. It can also ...(part of) screen to UDGHere is a routine to copy a Y,X-position on screen to a UDG. 0<=y<=23 0<=x<=31 144<=udg<=165 (UDG "A" to UDG "U") [code] ; start code with ; PRINT …
Here is a routine to copy a Y,X-position on screen to a UDG.
0How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... the G cursor how many UDG's can you do from ... BASIC is it 21? It's all POKE 65368 ... do I get more than 21? How do I call them ...Spectaculator 5.21 problemI am using Spectaculator V5.21 and 99.99999% of the time it is excellent, but on some games (especially old BASIC games with scrolling and Oracles Ca…
I am using Spectaculator V5.21 and 99.99999% of the ... word SPECTRUM appear on the screen, some times mutiple times. This ... usually appears after the screen has scrolled.
Anybody ...Editing in-game UDG'sI have just started playing an RPG that was in Sinclair User in 86'. The game is called Forest of Long Shadows and was excellent. You can find it on …
... accross should appear on the screen in UDG's but they dont ... is Data to create the UDG's for the nasties. What ... the eaiest way of editing UDG's in a basic program ...Faster Pussycat, yer man (UDG)Right we are almost into a game area. Ive started to play with UDG and by using bins and pokes I can redesign graphics to my hearts content. Now Im…
... /> Ive started to play with UDG and by using bins and ... little routine to poke the screen to fill it with dots ... do the same thing with UDG's but cant find the ...ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... (Daren Pearcy)
Added - The SCREEN$ paintbox tool. It's basically ... binary objects (such as the UDG editor and Assembler).
... Binary Importer.
Added - UDG Editor can now create a ... correctly.
Fixed - The UDG Editor would crash if you ...Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... fastest way to clear a screen (i.e., filling the 6912 ... 7T
LDIR ; 2B 6910*21+16=145126T
RET ; 12B ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread ... (v/256):
LET udg=FN p(23675)
20 ...
30 FOR a=udg TO udg+8: READ v: POKE ... 40 POKE defadd,FN l(udg): POKE defadd+1,FN h ... dummy DEFADD area in the UDG space to define a$ ...MinnaMicroZ80 v0.21 - Z80 Snapshot to Microdrive converterMinnaMicroZ80 v0.21 - The Z80 to Microdrive Snapshot Converter -------------------------------------------------------------- Written by Rob Shepherd…
MinnaMicroZ80 v0.21 - The Z80 to Microdrive Snapshot ... top third of
the screen, so the best place to ... it wipes the loading
screen.
I might make ...What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... ld (23693),a ; set our screen colours.
xor a ; ... 3503 ; ROM routine - clears screen, opens chan 2.
... current value?
cp 21 ; is it already ... .
; UDG graphics.
[/CODE]Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... machine with a character-mapped screen and render that as ... drawn, to try to minimise screen tearing.
The ... UDG, allowing for multiple character sets to be combined on the screen ... is larger than the rendered screen and/or wraps-round horizontally ...SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…
I've been using the SCREEN$() function recently for reading data ... off the screen rather than taking up space ... fix for it. Instead of SCREEN$(row,col) use FN c ...
ld hl,(23675) ;HL=(UDG)
dec h
ld ...Troublesome routine, help needed!Having problems with this routine, it basically fires a rocket up the screen, but refuses to detect collisions. I'm using attribute blocks for detect…
... fires a rocket up the screen, but refuses to detect collisions ...
ld (23675),hl ;set UDG
ld b ... ,151,22
rx5 defb 21,15,32,32,22
defb 0, 0 ; UDG data[/CODE]
