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line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
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; Graph Library
; (c) SerzhSoft '03.10.96
; serzhsoft@mail.ru
;
;interface:
;
;procedures.
; MakePtsTab
; Pset
; Xset
; Preset
; Point
; Plot
; Bar
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Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …
... code, but it has non-masked sprites). Laser Basic is nice ... -
Games UNDERated by magazinesYep, a slight twist on the previous topic. Which were the games you thought were underrated by mags, but were really much better in your opinion. …
... , Trap Door, Stunt Car Racer, Xor
[ This Message was ... -
Quiz II - Son of QuizA small quiz that covers mostly Spectrum stuff, with the odd C64 question - extend your knowledge. Copy/paste into a reply - add your answers in the…
... style game by Logotron.
XOR
23: "7 busy ... -
What Spectrum games do you play most, currently?What Spectrum games do you play most, currently? Mine are: -Match Day -Match Point -Decathlon
... . Snare (interesting game)
9) XOR (I've lost the maps ... -
Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
... of BC to B.
XOR A ; Set MSB of BC ...
LD A,(HL)
XOR E ; Reset the first bit ... -
Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
... B.
800D AF 4 XOR A ; Set MSB of BC ... ,(HL)
8039 AB 4 XOR E ; Reset the first bit ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... port would be used to XOR every pass of a VRAM ... 'd with bit 0 then XOR'd with bit 1 of ... 'd with bit 0 then XOR'd with bit 1 of ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... program in assembly? What would XOR A, LD HL,4000h, LD ... -
Z80 AssemblerSome of you may know that I'm working on a Z80 assembler. I thought I'd start a thread so I can see what people think and what they might want to see…
... | bitwise OR ! bitwise NOT ^ bitwise XOR
= equality < less than ... -
Finding the length of loaded Bytes:Is there a way from BASIC of finding out how big a block of bytes loaded from tape was? i.e. - if you do LOAD""CODE and load in a lump of bytes, ca…
... /> LD A,255 (for data, XOR A for header)
SCF ...
LD A,255 (or XOR A)
JP #4C2 -
Your favourite puzzle game..Hi, Shootemups, combatsimulators, karategames.. stop violence. =) so, whats your favourite puzzle game..?? To me Anarchy from hewson is very enj…
Well, if u think about the "thinking" games in general, I would go for XOR... I love those masks and chickens :) -
Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... , but some are drawn as masked sprites, some ORed onto the ... -
Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... it looks weird is to XOR the sprite over the background ... and then XOR it again to restore the ... -
Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…
Here's the Lenslok proggy I chose...
It's TT RACER but I'd imagine the following could be applied to all Lenslok games...
=====================
TT RACER AND LENSLOK
=====================
Ok, So the ... -
Brand new Spectrum shoot-em-upNow that Egghead in Space is finished I have begun work on another new Spectrum project, a horizontally-scrolling shoot-em-up. An early demo. versio…
nice game... and pretty code too. i did not notice that there is xor sprite routine. it really looks great and i hope u release next demo as soon as possible -
Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…
...
EA2A AD XOR L ;
EA2B AC XOR H ;horrible maths ... B ;yukky
EA2F A8 XOR B ;
EA30 CB 10 ... B ;yuk
EA32 A8 XOR B ;
EA33 CB 10 ... RL B ;
EA37 A8 XOR B ;
EA38 17 RLA ... -
are the following (tzx) really missing ?On the list at [url="http://www.worldofspectrum.org/stp/games.html"]www.worldofspectrum.org/stp/games.html[/url] there are some existing items ages a…
...
EMULATOR\ZX\FILES\TZX\XOR.TZX
EMULATOR\ZX\FILES ... -
Datel Snapshot II - Tape?Just noticed someone selling a Datel Snapshot II thingy, but there seems to be a tape with it, which the seller indicates must be loaded before using…
... byte in the file). Now XOR the byte at #21 with ... -
Datel Snapshot II - Tape?Just noticed someone selling a Datel Snapshot II thingy, but there seems to be a tape with it, which the seller indicates must be loaded before using…
... byte in the file). Now XOR the byte at #21 with ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... 0 {
bit 7=bit7 XOR bit0
bit 0=bit7 ... XOR bit0
bit 7=bit7 XOR bit0 }
bit 6=bit6 XOR bit1
bit 1=bit6 ... 2 {
bit 5=bit5 XOR bit2
bit 2=bit5 ... 3 {
bit 4=bit4 XOR bit3
bit 3=bit4 ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... 't really need all those XOR's:
... if b7 != b0 { reg=reg xor 129 }
if b6 != b1 ... { reg=reg xor 66 }
etc..., ... ; same, skip mirror
XOR 129 ; swap bits
LD ... ; same, skip mirror
XOR 66 ; swap bits
OR ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... br /> 0012 EE81 7 Swap1 XOR 129
...
003A EE24 7 Swap3 XOR 36
... br /> 004E EE18 7 Swap4 XOR 24
... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... /> jp pe,swap6-1
xor 129
ld b,a ... /> jp pe,swap5-2
xor 66
ld b,a ... /> jp pe,swap4-3
xor 36
ld b,a ...
ld a,b
xor 24
ld b,a ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
Well there's nothing staggering but there are a few instances of little used instructions plus my favourite XOR A. -
Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
... =$0f masking lower nibble
xor a
rrd ; a,(hl ...
