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Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... />
As well as putting in the new file names, it ... has been modified some more in that I've removed code ... -
No tea vicar on MB02Hello Folks, I have difficulties in getting "More tea vicar" (the free 128k version) running on the MB02. The game starts and you can choose control…
... =velesoft;669727]Yes. Here is port collision between MB02+ and ULA ... /> Here is schematic with MB02+ port adress decoder:
[url]http ... as active... Please test if IN 31 return joystick value.
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... z80 reads from an undecoded port, nothing will deposit a ... databus, so the z80 should read 11111111 (due to pull- ... video ram through resistors, in this undecoded port read condition it is able ... video bus, and the port read returns that value. In this way, games ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... ULA to know when a port is contended, it has ... almost all) ports, but leaving port FFh uncontended.
... that two bytes can be read in two T-states). Instead ... four-byte page-mode read the ULA does two ... so that odd I/O port accesses are not contended, ...Interface 1 bisOk, well the postmans just been and brought with him my new arrival, the Interface 1 bis. So as promised I thought I'd share some initial usage exper…
... . When it is in 'Active mode' it pages in its own BASIC ... his own 'Turbo Mouse' drivers in those games. The 'Interface 1bis ... /> At power-up the mouse port is in 'windowed' mode, but it ... 100% compatible with the original 'Kempston' mouse, but obviously not with ...Interface 1 bisOk, well the postmans just been and brought with him my new arrival, the Interface 1 bis. So as promised I thought I'd share some initial usage exper…
... At power-up the mouse port is in 'windowed' mode, but it ... % compatible with the original 'Kempston' mouse, but obviously not ... />
You use on port #FADF only two mouse buttons ... -D7 are transparent ? Original Kempston mouse also use incomplete adressation ...Upgrade ZX Spectrum 128,+2,+2a/b,+3[B]1. Debugging RD #7FFD ZX Spectrum 128,+2:[/B] [url]http://zx.clan.su/forum/8-121-1#795[/url]
... for write to port and also for read of port ! In ZX128/+2 absent ... 2000 after IN 7FFD only return current value of paging port.
port 7FFD (in same way as ZX128 ... after IN 7FFD return to data bus true value of port 7FFD ...2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …
... , but simply adding a Kempston port seems a bit redundant to ... which support both Kempston AND IF2, another Kempston port adds nothing to ... port interface some way already, buying a divIDE with a built-in Kempston ... 's got a single Kempston port doesn't look like ...2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …
... , but simply adding a Kempston port seems a bit redundant to ... which support both Kempston AND IF2, another Kempston port adds nothing to ... port interface some way already, buying a divIDE with a built-in Kempston ... 's got a single Kempston port doesn't look like ...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…
... ]Or, presumably, nobble a Kempston joystick interface and change one ... the address lines. So if IN 31 is A7,A6,A5 set ... certainly add extra decoding in a partially decoded kempston interface, though that ... that a "fully decoded" kempston decodes those as far as ...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…
... /> A1, e.g. IN 1 or IN 253 = ?
A2 ... , e.g. IN 3 or IN 251 = ?
A3, ... e.g. IN 7 or IN 247 = ?
A4, ... /> A5, e.g. IN 31 or IN 223 = Kempston Joystick, various
A6 ... , e.g. IN 63 or IN ...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…
... = ?
A5, e.g. IN 31 or IN 223 = Kempston Joystick, various
A6 ... , e.g. IN 63 or IN 191 ... = ?
A5, e.g. IN 31 or IN 223 = Kempston Joystick
A6, e ...How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...
... bit right.
Using IN is a bit fuzzy as ... bits (e.g. a Kempston joystick read) and others where you have ... reads).
Have a read of this and follow the ...Thinking of modding an Atari paddle controller for games like Arkanoid...Hello, Was thinking of trying out a controller mod using an Atari 2600 paddle controller to use with games like arkanoid, Batty, etc... The paddle c…
... the 2600 driving controller right in the Kempston port with no problems?[/QUOTE ... different positions in a complete turn):
For a Kempston interface ...48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... testing. Because the values you read in this way depend on the ... (Only use a digital meter!) In very general you could say ... , so I see little sense in 'testing' brand new chips. ... that the 'noise' patterns in your screen come from malfunctioning ... ,22,25,27,29-31.Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…
... hardware steps in and responds if you try to read from address ... 254 ('IN $FE') for the ... A0 going low on a port read, meaning all even addresses are ... you can then read it by 'IN $EF' instead of 'IN $FE'. But ...Any Games Require a Joystick?Noob question time: Are there any Speccy games that require a joystick? I looked through the archive but couldn't find any filters alluding to a re…
... . Without an interface connected the Kempston port would return random values, so ... the programmer just tested the port and acted on the result ... 't need to use the Kempston joystick, as such, you ... just needed the interface plugged in.
Can't think ...Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…
... common lead in the joystick. If the PORT I/O, READ and A0 ... -D4 so the directional switches in the joystick can ground the ... relevant data lines.
In the IF2 there's just ... if it's a memory read in the first 16K of address ...Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…
... bus to provide joystick status. In ZX ULA does the same ... , so it has to work in 'AND' mode.
If external ... /> TC2048 has LS245 but for Kempston port :-)Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…
... read
RAM read (by byte)
RAM write (by byte)
Port read ...
Port write
[/QUOTE]
In FBZX Wii ...New game: MORPH!Hi there, WOS people! I am a new member here. Quite recently I bought myself a 48K Speccy from a mate of mine. It is my very first Speccy as I never …
... option and no Kempston joystick was plugged in. That's ... quickly. And I have kempston emulation switched off, simulating ... reading a non-present Kempston port will result in random values.
... [QUOTE=TMS86;710149]
Yep, I will port ...New game: MORPH!Hi there, WOS people! I am a new member here. Quite recently I bought myself a 48K Speccy from a mate of mine. It is my very first Speccy as I never …
... " reading a non-present Kempston port will result in random values. [/QUOTE]
Kempston fire press on the title ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
...
ld a,0x7f ; read port 0x7ffe
in a,(0xfe)
bit ... -- no edge found
in a,(0xfe) ; read port 0xfe
.test_ear_port:
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
...
ld a,0x7f ; read port 0x7ffe
in a,(0xfe)
bit ... -- no edge found
in a,(0xfe) ; read port 0xfe
.test_ear_port:
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... a
;; byte read from port 0xFE; so 0x40 for ... ld a,0x7f ; read port 0x7ffe
in a,(0xfe)
bit ... no edge found
in a,(0xfe) ; read port 0xfe
.test_ear_port:< ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... read, as per most other loaders. Keeping this value in ... a,0x7f ; read port 0x7ffe
in a,(0xfe)
read
ret z ... read.
;; When the initial 1 is in ...DivIDE black editions availableI have about 6 more DivIDE black editions ready, and will finish more this week. [B]DivIDE 57c BLACK edition including ESXDOS 0.8.5 and 1GB CF card[…
... used also port #EE - this port is in collision with ula port #FE)
port #F6 - this port is in collision with ula port #FE)
IN A,(#F7) read printer port (only one bit on ...Hardware description - PLUS D interfaceThis new thread will contain onformations of different ZX devices. Some devices contain manuals, schematics or firmware for some chips, but some peop…
... used also port #EE - this port is in collision with ula port #FE)
port #F6 - this port is in collision with ula port #FE)
IN A,(#F7) read printer port (only one bit on ...Didaktik Gama and M manualsI?m looking for manuals for the Czech Spectrum clones Didaktik Gama and M. Thought this would be an easy task, but I couldn?t find any user or servic…
... 35001 to 65535 are paged. In machine code is this automatic ... paging port than in assembler.
And parallel port is used as kempston ... three 8bit gates can be in output mode used for ... for play music. PIO 8255 in DG80 use compatible connection as ...Hardware description - MULTIFACE 128I make schematic of MULTIFACE 128 (v36) from PCB layers downloaded from WOS. But all PCB layers on WOS contain some bugs, absent signals, etc.. Now …
... ZX, and detect if CPU read instruction from address #66. On ... (addressing 0xxxxxxx xxxxxx0x) - port decoding is same as in ZX128/+2, but ... rewrited also after reading port 7FFD).
- IN/OUT #3F (addressing 0011x1xx ...
