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MEMPTR finally crackedThis post is mainly for emulator developers. As you may be well know there is a misterious internal register in Z80 CPU (MEMPTR) which value is set …
... from the high byte of IX/IY before adding the offset. I ... , that bits are taken from IX/IY AFTER adding the offset. did ... you checked something like "INC(IX+1 ... )" where IX=FFFF? does that gave ... -
IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... an example of LD a,(ix) in the z80 manual. (took ... Z80 are referred to as IX and IY. To
indicate ... /> (IX+d) or (IY+d)
Here d is the displacement specified after ... set specifications use an explicit displacement with indexed addressing, as do ... -
Block RoutineHi Folks, I want to draw a block on the screen dependent on providing the X,Y,W,H values. I came up with the following: [CODE]100 LET l$=" …
... /pourri/a000temp1.gif[/img] Before< >After [img]http://www.users ... ,hl ;DE=end of row displacement
pop hl ;HL=attribute ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... sure A holds the column before doing CP 31, and the ... to write it back to (IX+2).
You need ... similar to what you did before after you add 1 to it ... -
HighSPEC v0.04 For any interested people: V0.04 uploaded with (shock horror!) Dither protection toggleable on/off. This tries to convert the standard 50% checkboa…
... confused then check out the before & after screenshots on my website ... /> Screenshots of this feature (before & after) can be found on my ... -
ANN: Tipshop updated Thursday, 30 November 2006Thursday 30 November 2006 A big HAPPY 11 BIRTHDAY to WoS... Oh, and a big batch of tips as well :-) * HAPPY 11TH BIRTHDAY, WOS... Thanks for all of…
...
asked for some before/after snapshots. After a few goes, I sent ... -
God I'm soo glad i'm back home @WoSI just created a thread on LemonC64 saying that one of Nelly Furtado's songs sounds like a C64 and my thread was locked in less than 5 mins! I under…
... the topic had been discussed before after receiving a link from a ... -
ZX Demos and the wow factorI remember reading a few comments in the past 3 years regarding demos. Some comments included how boring it was to see this or that effect again, how…
... considered impressive and never done before? After watching certain things done by ... -
clarification needed of assembler graphics routineI was wondering if someone used to coding animated graphics in assembler can take a look at [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/as…
... can't visualise what the before & after difference would be to ... -
+3 sound fix - done :)Hi all My +3 has a Z70830 issue 2 board. The sound output was terrible, it distorted something bad! After asking one of the lab guys to do s…
... something bad!
After asking one of the lab ... /> I will post up a before/after video when I get chance ... -
48k ULA heat sink required ?ULA heat sink worthwhile mod or just internet hype ? if worthwhile is a cheap heat sink going to cut the mustard ? i wonder if anybody has done any …
ULA heat sink worthwhile mod or just internet hype ? if worthwhile is a cheap heat sink going to cut the mustard ?
i wonder if anybody has done any before & after heat tests ? -
"Empire" by FirebirdDownloaded this game of WOS the other night on one of them ol' whims. It looks quite intriguing but, such is life, whilst stuff like Xecutor has a wh…
... the letters into the spell before you can use the spell ... are as follows:
before after
.... .. SEEK YE
Awfully quietI suppose everyone's living it up at the CGE
... plus was seeing ICABOD before & after a rather long session in ...Awfully quietI suppose everyone's living it up at the CGE
... ]Another plus was seeing ICABOD before & after a rather long session ... an "oh, this is icabod" after standing next to a loooong ...MEMPTR finally crackedThis post is mainly for emulator developers. As you may be well know there is a misterious internal register in Z80 CPU (MEMPTR) which value is set …
... from the high byte of IX/IY before adding the offset. I ...POLL: Do you like the new forum?Just testing this new poll feature of the forum. Simple enough of a question: Do you like the new forum? There have been a couple of threads alrea…
... readable as the old one before, after every post is here huge ...POLL: Do you like the new forum?Just testing this new poll feature of the forum. Simple enough of a question: Do you like the new forum? There have been a couple of threads alrea…
... readable as the old one before, after every post is here huge ...Here to go!Welcome to the new look! This migration took [B]a lot[/B] longer than expected (2 hours on the test setup, 5 hours on WoS), but everything ought to b…
... I've tried checking it before/after entering the ID/password and ...Here to go!Welcome to the new look! This migration took [B]a lot[/B] longer than expected (2 hours on the test setup, 5 hours on WoS), but everything ought to b…
... I've tried checking it before/after entering the ID/password and ...Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…
...
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
inc ix
ix)
...etc, down
after the inc ...how heavy is WOSwe haven't had a poll today, so........how much do you weigh.
11 and a few pebbles over/under before/after going to the loo.
Skarpo
:-)how heavy is WOSwe haven't had a poll today, so........how much do you weigh.
God I'm soo glad i'm back home @WoSI just created a thread on LemonC64 saying that one of Nelly Furtado's songs sounds like a C64 and my thread was locked in less than 5 mins! I under…
... the topic had been discussed before after receiving a link from a ...A suggestion about new gamesI'm talking about "[I]Brand New Games[/I]" ([I]Isotopia, Daytona USA, Space Rocks[/I]...) Don't you think they must be in a separate part in the arc…
... we? Having the two split (before/after 1992?) seems to me to ...A suggestion about new gamesI'm talking about "[I]Brand New Games[/I]" ([I]Isotopia, Daytona USA, Space Rocks[/I]...) Don't you think they must be in a separate part in the arc…
... we? Having the two split (before/after 1992?) seems to me to ...Photoshop fun...So I got fed up with Paint Shop Pro crashing and losing data and started playing with Photoshop instead... I came up with an alternative book cover …
... a back cover with a "before-after" theme. On the front cover ... (=before) you'd have a different ... image as the back cover (=after) would make sense.
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... that go with it, after that the text just follows ... print anything that is entered after the PRINT-command.
... set) to the mainprogram (after the CALL). If not then ... loaded with (HL) as mentioned before. After printing the registerpair is increased ...
