-
Games not compatible with real grey +2There are many threads about Spectrum+3/2A incompatibility issues but what about grey +2? I've found that games like Marauder and Skate Crazy don't w…
... Twins use a full 257-byte IM2 table so this wouldn't ... 't have a full 257-byte table, it's only full from ... F100, so I suspect the table gets correctly created, but after ... -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... maybe a 512 byte table for a nibble shifted table for allowing sprite ... -
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…
... This sets up a 168 byte table and fills it with 'nothing ... terminals (code $fb) in the table. These are predefined and referenced ... from the table at $b8c4.
... $f6ca. Looking at the table at $b8c4 shows a terminal ... -
Fastest way to mirror a byte?I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?
... table and do a lookup when required
2: Invert the byte ... nicer but after running the table generation routine you can ... /> ;
; makeRev Builds a 256 byte table of reversed values
; hl ... = base of 256 byte table (try to choose a nice ... -
Fastest way to mirror a byte?I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?
... I disliked carrying a 256 byte table around with me.
Just remember to align your table to a nice boundary to ... -
Spellbound 48k issues with ToastrackIve been busy converting a lot of games to +D disk, everything was going smoothly until I tried Spellbound, loading in 48k mode on the toaster it res…
... .
With the rogue byte on the databus, it gets ... to set up a 257 byte table in uncontended memory and all ... -
General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... simplified by referencing a 96-byte table of values coded in some ... -
General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... simplified by referencing a 96-byte table of values coded in some ... -
Jelly-Vision!As threatened in the "'Spectrum Play' Error" thread, here's a ruff'n'reddy interrupt driven full screen wobbling routine which has no practical use w…
... 't bother with a vector table. I thought that maybe BASin ... it with a full 257 byte table but it still didn't ... -
Chessboard and piecesLast night for no particular reason I made a chessboard and pieces. [url=https://dl.dropbox.com/u/9498358/chessboard.szx]Chessboard[/url] [img]https…
... floppy. It had a 64 byte table to position the pieces on ... -
The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
... the AMX issues the low byte on every INTA cycle, which ... worthwhile to do the 257 byte table. -
The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
I'd always use 257 byte table, for the above reasons, and ... -
The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
... ]I'd always use 257 byte table, for the above reasons, and ... doesn't use the 257 byte table?
Put it with ... to keep using the mentioned table.
But one could ... -
The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
... doesn't use the 257 byte table?[/quote]
Well, if, as ... -
The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
... software will have a 257 byte table, and no hardware support for ... -
Converting UDG to 2x2I've got a udg that I want to display in different sizes. Obviously I just print it for normal size, I can use the udg in bin format to display it ea…
... doesn't need a 1024-byte data table after all, a 512 ... -byte one will do - although it ... tried it with a 256-byte table, but the 4th column lost ... a d$(128,4,2) table, so I could avoid doing ... -
Converting UDG to 2x2I've got a udg that I want to display in different sizes. Obviously I just print it for normal size, I can use the udg in bin format to display it ea…
... a table for the expansion of nibbles.
For each byte, the ... nibbles are isolated, the table is obtained,
byte table and the same print boundaries ... -
Converting UDG to 2x2I've got a udg that I want to display in different sizes. Obviously I just print it for normal size, I can use the udg in bin format to display it ea…
... 've got the same 16-byte table and the same print boundaries ... -
TommyGun with AGDHi everyone, I have been working with Jonathan to incorporate his excellent Arcade Game Designer utility into TommyGun. Jonathan has created a compi…
... called setpal and the 64-byte table with the RGB values is ... -
Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... faster, then using a lookup table method as follows, but ... z80 fast using a lookup table.
Scr_add ld ... br />
Create lookup table to 256 byte boundary (requires 256 bytes ... /> ;17 bytes
256 byte table will look like this:
z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
...
* memset() creates a 257-byte table of 0xd4 bytes at address ...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…
... table and 3-byte JP instruction, the table must start on a 256-byte ... the table must be filled with all the same byte. If that byte ... />
This 257-byte table containing the same byte has to be like ... we fill the entire table with the same byte so that we ...IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory locations that it can access? Yes, I know it's slower than us…
... to set up a vector table for IM2, in a worst ... 'll jump to the last byte or ram. You can put ... in there and the first byte of rom will act as ... . This saves having a 257 byte table in your own code.
P47 Thunderbolt Colour/Attribute hacking?I've seen someone (can't remember who now, sorry) hacking into monochrome games such as After The War and Outrun Europa and adding/changing the colou…
... the start in a 16-byte table at $8A11-$8A20 with two ... the eight levels. The first byte of each pair is the ...mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…
... the sake of it :) 8 byte table at any address and [i ...mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…
... the sake of it :) 8 byte table at any address and maybe ... you use a 8-aligned table instead, it will work better ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... 't see how a 128-byte table is going to work with ... ;(6) are keys into another table which are derived from analysing ...
