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Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... there's much advantage in reusing the existing joystick ... strobe/serial input bit.
Bit 6 EAR serial input from EAR of cassette ... of Fuse users in Russia (and some in Ukraine and Belarus ... re thinking in 'bit 0 is left-most' mode or in 'bit 0 ... -
Loading games from a old PC to a speccy?Hi all I've got an old Pentium 1 200Mhz PC which I'm sure could load games to my speccy seeing as my tape drive is knackered... I remember when w…
...
the z80 command IN should be used to recieve ... an emulator that loads tapes in under a second.
... EAR / Tape Input
When reading from port 0xFE, bit 6 ... at bit 6 of port 0xFE using the IN command ... to recieve the info and the
BIT ... -
Serial comms - duzzit work?Has anyone ever successfully got two 128K Speccies (of any variant) to communicate with each other over the SERIAL / RS232 / MIDI / AUX ports? I can'…
... hardware like this:
Bit 0 - Output - Keypad/Aux pin ... - Keypad/Aux pin 5
Bit 6 - Input - RS232/MIDI pin 4 ... contains at least one error in the above) indicates the following ... like the ear/mic confusion these are backwards. In other words the ... -
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…
... a little bit on the port numbering. In the Speccy, ... written in binary, it will be a 16-bit number, ... /> In [i]all[/i] of these ports, bit 6 is the EAR input ... port addresses as eight-bit numbers and hopefully ... a bit better. You could actually write in to them ... -
IN instruction on emulatorsHi everyone I wrote: 10 PAUSE 0 20 PRINT IN 63486 If i press 1, result is 190 instead of 254 (i used FUSE and Spin) If i press 2, 189 (253) i…
... are always set, but Bit 6 is the EAR/MIC socket (they are ... .
The most important bit (pardon the pun), is that ... keyboard. You’re only interested in the bottom five bits.
Bit 6. -
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…
... hysteresis; this means that bit 6 is 1 if the ... out (Mic) and tape in (Ear) all share the same ULA ... Yes, all analogue circuitry in a computer may be ... Whether this matters on the ear input, very much depends ... code routine works. Keep in mind that an analogue ... -
IN instruction on emulatorsHi everyone I wrote: 10 PAUSE 0 20 PRINT IN 63486 If i press 1, result is 190 instead of 254 (i used FUSE and Spin) If i press 2, 189 (253) i…
Sorry, I meant bit 6 (value 64) when refering to EAR.
By the way, using BEEP in the program restores this bit 6 to zero, so for checking the IN values refered to 255, include OUT 254, 247 just before reading IN. I did it and it works. -
Deduggers in emulatorsI've used several emulators with build-in debuggers, and now I want to share my opinion. Debugger in Spectaculator 6.0 is great! The interface is nic…
... used several emulators with build-in debuggers, and now I want ... to share my opinion. Debugger in Spectaculator 6.0 is great! The ... /> There are also good debugger in SPIN emulator. Unfortunately it doesn ... hope both will be better in future!
[ This ... -
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
[NEW]: Spectaculator 6.2
Spectaculator ... />
What's new in version 6.2
-------------------------
in these models. All
... pulse per block which resulted in playback sounding 'slower' than< ... -
ANN: Spectaculator 6.25What's new in version 6.25 ========================== o After a long discussion in CSS, it seems all 48k and 128k+ ZX Spectrums are not made equal. …
What's new in version 6.25
==========================
o ... After a long discussion in CSS ... Blava part 3 when run in 128k/+2 mode. It previously ... -
what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... pging:
- for 512K model, bit 6 & 7 of port 7FFD ... br /> - for 1024K model, bit 5, 6 & 7 of port 7FFD ... .
1. Normally, bits 6 & 7 are not used ... br /> 2. Bit 5 is used for 48K lock, in fact to ... /+2, that also turn that bit to 1 logic).
< ... -
DarkStar.tzx in Spectaculator 6.25Hi all I think I have found a bug in Spectaculator. Darkstar.tzx(OriginalRelease) wiil not not load. DarkStar.tap loads The DarkStar Re-release t…
... I have found a bug in Spectaculator.
Darkstar.tzx ... loads
DarkStar loads in other emulators
When ... -
Hisoft Pascal - What's new in v1.7 ???I use clone ZX Spectrum 48kB + only TAPE. I don?t have FDD or a Microdrive. I have found on Hisoft Pascal http://www.worldofspectrum.org/infoseek.cg…
... 4$&pub=^HiSoft$
In the part: Additional material
in v1.6.
I can? t ... find anywhere what's new in ... /> Some parameters Hisoft Pascal v1.6
SAVE "HP4TM16" ... t know, what is new in the version 1.7, ... -
Mode 2 Tile Editor SourceA Timex Mode 2 Tile Editor incorporating a byte mirror table. The compiled version is available in the CSSCGC 2008 collection from the WoS archive. …
... compiled version is available in the CSSCGC 2008 collection ... /> xor a ;
bit 6,b ;
jr z, ... h ; attribute byte held in the a
ld ... /> ; Clear both screen areas in mode 2 without altering low ... mirror the bitmap contained in a single byte
Help with Visual Basic 6.0 vs Visual Basic.netI have a program that auto generates VB.Net code..... I know VB.net syntax and am happy with the code generated. However, I have been asked to have …
... code compatible with visual basic 6.0.
I know ... 'm unsure about.
in VB.Net I can use ... there such a thing in VB 6.0 for eay oneline input ...FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…
... divide automapper
l_5cd7: in a, ($fe) ;
cpl ... to RAM3 and EEPROM
bit 6, h ;
l_5ce5: ... jr z, l_5ce2 ; continue in programming if verify ok
Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... ability to switch screen buffers in hardware (port 0x7FFD). The original ... switches memory banks as described in [URL="ftp://ftp.worldofspectrum.org ... by hardware dump.
Bit 6 - it is not used
Maketzx...Whats the state of play?Been out of the whole emulation bit for...a while :) But, back in the saddle, ready to transfer some more tapes.....except...maketzx doesnt seem to w…
... the whole emulation bit for...a while :) But, back in the saddle ... ? I would have thought in 5-6 years it would have come ... on in leaps and bounds.
Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... creating Flynn's Adventure in Bombland I created ... br /> ; move to correct place in ROM for character graphic
in screen pixel memory start
and c ; 4t - create bit 6 0x000000
rra ; 4t - ...IN command and keyboard scanning - Is this a bug in BASin?Hi Folks, Still reading Dilwyn Jones book on the Spectrum and I have got to the section on IN and keyboard scanning. I wrote the following wee prog…
... PRINT AT 4,0;"IN 61438 (6-0) =";IN 61438;" "
160 PRINT ... AT 5,0;"IN 57342 ( ... /> 170 PRINT AT 6,0;"IN 49150 (H-ENTER)=";IN 49150;" "
... /> The book states that the IN commands should display 255 unless ...ZX80 and 81 hardware questionsI'm finding a lot of the documentation that is ostensibly about the hardware of the ZX80 and 81 to be primarily about the software. I was hoping some…
... could answer a few questions in clarification.
I'm mainly interested in the display, I guess because ... of the refresh address in the top byte.
in that case does INT ... is generated directly from bit 6 of the refresh address, ...Speccy / PC & TapesHi, This year I am feeling a little retro / nostalgic for the speccy of my childhood - was it really 25+ years ago!. Anyway, I was thinking of buyin…
... speaker 'out' to the spectrum 'ear/in' socket?.
(4) If ... or more reliable?.
(6) Anyone think this is a ... childhood memory?.
Thanks in advance for any response(s ...Help preserving a tapeHi! I got hold of three cassetes each containing unique Greek Spectrum programs of 1983-1984. I managed to tzx two of them but all my attempts of p…
... br /> intercepted HEADER in file:'DTservice 6.txt' at bytes n ... on the line in levels settings in my soundcard)
bit 6
Continuing at ... me a bit?
Thanx in advance (and ...Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…
... variables can themselves be defined in variables (or expressions which evaluate ... dog",22,"rabbit",3
6 FOR a=1 TO 3 ... DATA statement. The values in the DATA statement could themselves ... protect arguments from being evaluated in advance by the BASIC ...joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... move up/down one line in the editing line (come out ... Spectrum and it seems a bit clumsy. Symbol-Shift-H "^" is ...
set 6,(IY+55) ;set EDIT flag in spare bit of FLAGX ... ) ;reset EDIT flag
NOENTER:bit 6,(IY+55) ;check EDIT flag ...128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... seemed to have a broken ear in. But even with the new ... load games through my added EAR input. I dont have any ... /> Input on the white cord (EAR from casette) is around 3 ...
