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Psycho Pigs UXB review! (a great read)Check out this really great review of Psycho Pigs UXB from the WOS forum's own [URL="http://www.worldofspectrum.org/forums/member.php?u=7000"]Atari_J…
... =7000"]Atari_Jetman[/URL]
read it at [URL="http://www ... -
128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... works but it won't read any tapes.
I've ... the datacorder?
Perhaps a Peek/Poke that will let me ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... -map itself to skim-read from an alternative address, so that it ... intercept reads to the ROM address space, and treat them as ... able to place its screen address at least on any of ... the ROM and lower 16K address spaces. (That the ROM occasionally ... -
Creating z88dk Project in Xcode OS XFor Xcode fans that also use z88dk, I've created a post that describes how to set up an Xcode External Build Project to Edit and Assemble z88dk .c an…
... Xcode fans that also use z88dk, I've created a post ... Project to Edit and Assemble z88dk .c and .asm source files ... /2014/04/20/creating-xcode-z88dk-project-in-os-x/"]http ... /2014/04/20/creating-xcode-z88dk-project-in-os-x/[/URL ... -
Column and row numbers to attr address?[FONT=Calibri][SIZE=3]Can anyone provide me with a code snippet the will convert the column and row numbers into the screen attribute address. For ex…
... numbers into the screen attribute address. For example, if de = 0 ... -
Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... to put the Z80 multiplexed address bus and data bus onto ... EXROM. Otherwise the CPU would read or write to the VRAM ... locations when those locations are read.
The Timex Sinclair ... -
Games and Beta 48I was reading the listing of tape loader program of [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0003952]Pyracurse[/url]: [code] 10 GOTO 3…
... lines containing 'USR 15363'. This address is used in the Beta ... . The code above seems to read some data from disk before ... -
"How I Would Have Ended BioShock" - a brilliant read for Bioshock fansIf you played (and liked) the first Bioshock game, then you MUST read this: [url]http://www.pentadact.com/2009-04-15-ending-bioshock/[/url] it's on…
... Bioshock game, then you MUST read this:
[url]http ... Bioshock yet, then don't read that article, as it will ... -
Some hardware from JiiiraFor those who haven?t discovered [B][URL="http://jiiira.ajetaci.cz/speccy_hw/index_eng.xhtml"]my webpages[/URL][/B] yet: ;-) [B][URL="http://jiiira…
... speccy_hw/ZX_ExpBoard/ZX_ExpBoard_eng.xhtml"]read more[/URL])[/I]
read more[/URL])[/I]
read more[/URL])[/I]
address signals A0 to A7 ... -
Problem Reading the KeyboardHi Folks, I'm working my way through Toni Baker's rather good book and thought I'd write some code to scan the keyboard and store the results so tha…
... that the code to read the keys seems to ... segments
;3.1 - Read the key states for that ... _keySegmentLoop ;Looping address
;3.1 Read key states for ...
IN A,(0xFE) ;Read the key states for this ... -
Egg sandwich and ?100!Funny thing happened to me today and I promise there is a link to hardware. Last week me and the girlfriend went away for a few days. When we got ba…
... a short break and having read Danny Wallace's book "yes ... components delivered to my work address because there is always someone ... I could get to the address they had given me. It ... -
Machine Code in 30 minutes - car gameWotcha folks, 30 years on and I'm still struggling with Machine Code. I'm going through the 30-minute tutorial on the Chuntey blog and it's all made…
... /> [code]
ld bc,65278 ;read keyboard caps to v
moveright
ld bc,32766 ;read keyboard space to b
peek'(ing) the Accumulator with the ... -
ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... area, as well as RAMTOP address, the memory data can be ... so on.
If you read one datablock, it is red ... -
From Bedrooms to Billions - Sept Release![url=http://www.frombedroomstobillions.com/shop/blu-ray][img]http://lifeschool.mikendezign.com/pix/bedban1.png[/img][/url] [url=http://www.frombedroo…
... web site to: read past newsletters, register your address for deliveries, download ... -
llvm-z80 statusFew months ago I read about efforts to produce llvm back-end for the Z80 (even perhaps as part of new z88dk). Any update on that? I found [URL="htt…
Few months ago I read about efforts to produce llvm ... perhaps as part of new z88dk). Any update on that?
ZX-Modules updatesDear readers, depending on a common change on the file list (establishing the meta block feature), I've updated many of my ZX-Modules applications. …
... of my ZX-Modules applications. Read more about the details of ... /> Also, because my homepage address and email address changed, I want to ... , the last digit of the address has been cut-away in ...ZX rom type detectionHere is routine for fast detection of zx rom / computer model. [URL="http://velesoft.speccy.cz/other/ZXROMDETECT.zip"]http://velesoft.speccy.cz/othe…
... />
Routine read only some bytes from fixed address in zx48 rom ... rom contain byte #BF at address (#004B). If byte is different ... all +3 roms are at address (#0013 and #0014) different ... and all +2 roms at address (#09AC).
Routine return register ...Zero 0.7 / Zero 0.6.5 releasedAfter months of grueling work, I?m proud to announce the Vanilla version of Zero, which is a regular Windows version of the emulator. I?ve tried to m…
... /> ? Fixed machine timing not being read or saved correctly when using ... not wrapping correctly if calculated address is > 65535, in the ...ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... description of what should be read from there at every cycle ... with full low part of address, not only A0), as it ...Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... +9 on 48k+ keyboard and read port EFFE (keys 6-0 ... like it depends also on address where is the program reading ... both pressed it returns with address of 'in' instruction which reads ... key 0 pressed and this address is then printed to the ...Understanding contentionI'm trying to understand contention and its implications when some "weird" bus cycles (such as I/O cycles with I/O addresses in the contended memory …
... CPU, and the I/O address is between $4000 and $7FFF ... has performed its video memory read. But there is also one ... " zone between two video memory read bursts. If I'm right ...Fuse tests - INC BC causes contention delayHi all, In the FUSE test suite it has the following for the output of opCode 0x3 (INC BC): 0 MC 0000 4 MR 0000 03 4 MC 0001 …
... /> is one of MR (memory read), MW (memory write), MC (memory ... read), PW (port write) or PC (port contend).
is the address ... (or IO port) affected.
is the byte written or read ... contentions - does it need to read the memory to update the ...Anyone have a PO BOX address?No, I don't want to nick yours, am just seeing if it's worth having. Looks as though Royal Mail charge about £250.00 a year for one? Sounds VERY ex…
... ... I no longer have an address that can be delivered to ...Fuse - HelpAs some of you might have guessed already, I'm kind of doing a rampage on a lot of emulators, to test things out, and find the most suitable for deve…
... />
Maybe there is another read.me file somewhere that I ... /> Another table with two columns, "address" and "instruction", easy to get ... /> Another table with two columns, "address" and "Value", hum ... no clue ...I feel they could have done this.After reading the ZX Spectrum ULA, I learned about how the ULA detects if the Z80 if going to access memory in the next cycle and stops it if the ULA…
... , so that the ULA can read whenever it wants, and can ... an interface could accept an address and a byte, and the ... can occupy the same address space as ROM. Read from addresses 0x0000 ...How to move the location counter backward with GNU binutils?I've converted a 8000-line assembler source from Pasmo to GNU binutils. It was not difficult. It's the first time I use GNU binutils. In my code t…
... compilation) into a memory address, ready to be fetched ... therefore updating the same memory address every time, and finally used ...
I've searched and read the binutils documentation but found ... used to select the same address every time.
...Subtract 4 from an addressThis is a novice Z80 question really: I'm trying to vertical scroll my back buffer, but I'm not sure of the quickest way to apply an offset and mo…
... to subtract 4 from the address to move to the line ... moment i have the copy address in HL and the paste ... address in DE, and I'm ...Rom routine for pixel addressDear all, Having my bi-annual 'lets try machine code' project again and have come up with a problem with the pixel address rom routine at 8874. …
... a problem with the pixel address rom routine at 8874.
address transferred to HL, but when ...IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... all,
I understand PEEK and POKE, but have never ... go on about how they read from and write to addresses ...
