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Some ROM/EPROM questions...I've got a ZX Spectrum +, a +2A and +3 computers, and I've been using +3e project ROMS for a while in my +3. I was thinking about using an EEPROM or…
... ) ... once, it comes nicely in 28-pin housing. Unfortunately, datasheet mentions ... there's other EEPROMs in 28-pin housing that use 5V ... an I/O port to select a block from the (E ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... high bits of this byte select RAM bank). Now look at ... -E7 F3 11100xxx 11110011
28 E8-EF F2 11101xxx 11110010 ... -
SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... ,37,35,33,31,29,28
310 DATA 26,25 ... " DATA n$()[/code]
To select the note to play on ... -
AY Magic version for ZX81 was bornModified Ay magic ,my previous interface for zx48. On board, ay chip based on Zonx interface but with stereo output and rampack 16 or 32 kilo on boa…
... (chanc + chp_ornptr), hl
; select AY tone table
xor ... />
ch_vol:
or (ix + 28)
ld l, a
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... but the screen address can select a scan line within a ... /> 27 add a,$08
28 ld h,a
29 ...Keep On Beeping - new screencast on beeper musicHi everybody, I've decided to make a video show about 1 bit music. The first episode talks about the famous Wham! The Music Box. It probably won't …
... percussion). It's possible to select the ASM output type in ... 1 = 30
Drum 2 = 28
Drum 3 = 27
New monitor queryHello all Ok,i have got a new monitor and it's working OK.But i might have got it plugged in slightly wrong.I am using a VGA cable from Monitor to P…
... with a menu option to select input. So I have a ... very large HD monitor > 28", then you might start to ...28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... =Arda;615166]But you cannot select each 8x1 seperately. You have ... ]I guess if more than 28 is possible it would not ...New(ish) Offical (we think) patches found for System Shock 2 and Thief 2!Two of the best PC games ever made are System Shock 2, and Thief 2, And both share the same game engine, and are still very popular more than a decad…
... )
Max brush faces/sides: 28 (from 12)
Max decals ... itself to whatever resolution you select, etc. You can sort of ...BRAND NEW VTX 5000 MODEMSI have for disposal a number of BRAND NEW BOXED PRISM VTX 5000 Modems If tou would like to add one or more VTX 5000 modems to your Sinclair ZX Colle…
... by pressing Symbol Shift A. Select
number 3 on your ... return to the main menu, Select 1 on the menu, (Transmit ... to format the file.
28/09/2012
Brian Gaff ...HxC Floppy Drive Emulator - help neededHi! I?m really having difficulties with my new HxC SD card floppy emulator on a Spectrum +3. It?s REV C cased light gray, with no labels on it, so I…
... 18 20 22 24 26 28 30 32 34
.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. ...
6 D4 23 DRIVE SELECT 1
_____________
... __________
11 WRITE GATE 28 GND
12 ...ZX Eprom replacing Rom problemsI got a programmer today so I could finally flash the Xicor X28C256 eproms I have with ZX128 rom, to be used in my upgraded 48K machine. But for some…
All you had to do was pull pin 27 away from the chip and solder a wire from it to pin 28. Connect the ROM select jumper straps to H(itachi).
Pin 27 is active low on a ROM chip but active high on an Eprom.
MickyTommyGun with AGDHi everyone, I have been working with Jonathan to incorporate his excellent Arcade Game Designer utility into TommyGun. Jonathan has created a compi…
... , it was allowing me to select it straight away and then ... to sprites before I could select the sprite and then the ... : 27/2/2013 19:56:28
Owner : Map Editor Plugin ...Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
... the plastic support of the 28 Pin socket, you may have ... the newer ones can only select two. With the original drives ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... cell are given. Figure 5-28 shows that the output transistor ... want to try is to select another value for the resistor ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... .
[*]Lines 25 & 26 select random segments in high memory ... and the attributes.
[*]Line 28 copies one to t'other ... (lo): GO SUB 90
28 [b]LET b$=a$:[/b ...Spectrum screen layoutSeeing the thread on displacement I was wondering why the spectrum had the stupid screen split into three sections and the addresses for each section…
... . To read/write memory, you select the row that you want ... , select the column, say whether you' ... , 8, 24, 4, 20, 12, 28, 2, 18, 10, 26, 6 ...Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…
...
27: STACK LOOP
28: BYTE SWAP1
29: BYTE ... the Alkatraz utility cartridge and select Protect Main Loader from the ...Hacking a +2 into a shorter caseIf anyone's got a copy of the notes or text they posted about re-wiring the +2 joystick ports or hooking up a tape recorder to the motherboard casset…
... />
Mar 17, 2015 20:28:35 GMT balford said:
select games - should be wonderful, but ...Games not compatible with the 128+ & grey +2Like the +2A & +3 thread, there are a few games that do not work correctly on the original 128+ and the grey +2. Two games that I know of that wil…
... is created is after you select the control mechanism and and ... /> ld bc, $0028 ; 5bb0 01 28 00 $0ats
ld hl ... it is
ld c,28 ; otherwise it must be type ... 7, which is 28 bytes long
ld a ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... ), the 27 can bank select whereas the 28 doesn't. I burned ...New ZX-Uno Spectrum CoreFor those who haven't noticed, a new Zx-Uno Spectrum core has been published: http://www.zxuno.com/forum/viewtopic.php?f=14&t=406 Those lucky e…
... I generated for the core (28, 14, 7, 3.5, CPUCLK ... join clock multiplexers needed to select a clock for the CPU ... , to produce a core with 28, 7 and 3.5 , or ...SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... in that video) having to select a particular entry and press ... so far, and price of £28 is great, although £11 shipping ...SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... in that video) having to select a particular entry and press ... so far, and price of £28 is great, although £11 shipping ...A table of AY frequenciesHi friends, Simple request I hope; does anyone have source for a table of note frequencies on the AY chip as used in the Spectrum 128? I had a loo…
... "O8G" will select note 115. To
; select higher notes, sharps ... DEFW $0A82 ; Octave 2, Note 28 - E (41.20 Hz, Ideal ... Note 37 - C# ( 69.28 Hz, Ideal= 69.30 Hz ... Note 41 - F ( 87.28 Hz, Ideal= 87.31 Hz ... .31 Hz, Ideal=2349.28 Hz, Error=+0.38%)
Understanding tape edgesI've never done any tape reading code. But I've read about these "edges" on multiple occasions. Trouble is I don't understand what they heck they are…
... tested the level at pin 28 at which input bit 6 ... if the voltage on pin 28 is over 0.70 V ... used, it is possible to select from a small number of ... the same ULA pin (pin 28) what is read when reading ...zx32: cursor keysAre the cursor keys emulated on zx32? I ask because i want to select the 128k Basic option from the opening menu in Spectrum 128 mode, but when I pre…
... ask because i want to select the 128k Basic option from ... .
So how do I select 128K basic in zx32?Cromwell at WarI believe the Cromwell at War versions available at the WOS archive only allow you to play the first battle on this game ( Edgehill ), with the Parli…
... game that would allow to select any of the five scenarios ...
