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RS232 - built-in vs. Interface 1Hello all. After some advice, and I figured someone here would probably be able to help. I'm the owner of a (grey case) Spectrum +2, and I'm keen …
... 'RS232' port and the ZX Interface 1 'RS232' port ... />
And despite the ZX Interface 1 using a 9 ...
The hardware for the ZX Interface 1 'RS232' port will ... 128 BASIC. But I don't know if the ROM in the ZX ... with a +2 grey in 128 mode.
[ ... -
Repairs and Reparing.Hi All, Just finished resurrecting an Issue 3A board. Had black lines, so replaced the lower 16K RAM chips, Amazed they just cost a couple of doll…
... on ZX80, ZX81, or on ZX Spectrum 128, +2, +2A, +2B, +3 ... />
The ULA, Z80A, Mask ROM, and the LM1889 colour encoder ... -
How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks
For DRAM chips that use 128 cycle (7 bit) refresh, address ... bytes.
The ZX Spectrum BASIC ROM sets a system variable ... -
Questions about microdrivesHi! Bought an Interface 1 and two microdrives along with around 10 microdrive cartridges. Installed (great but very expensive) vdrive zx into one …
... reformatting a QL cartridge for ZX or are the tapes simply ... around it. BTW, the Multiface 128 circuit boards are very cheap ... effort. I used an old ROM and even a cache RAM ... -
More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…
... Spectrum ) and the classic ZX Spectrum output edge connector. ... of course, the standard ZX edge connector at the back ... to take normal ZX peripherals.
... RAM upgrade, a new ROM and maybe a card ... dumped it. Likewise the 128 owners also seemed to ... -
More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…
... ps2 keyboards.
* The zx expansion bus can't be ... at 28MHz. This way standard zx peripherals can still be seemlessly ... ) which later conflicted with the 128's port 0x7ffd. So if ... card. The if1 monitors certain rom addresses and the currah uspeech ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... /> [code]
; Console functions for ZX Spectrum
ORG #6000 ... #7F ; backtick (or (C) with ROM font)
BRK EQU #18 ... br /> .pressingcapsshift
ld a, 128 ; set bit 7 in A ... /> ld a, c
cp 128
jr c, .notpressingcaps
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... custom font, (C) with ROM font
SymShift+Space: ... [code]
; Console functions for ZX Spectrum
ORG # ... ; backtick (or (C) with ROM font)
MACRO LD_SCROLL_SRC_DEST ... ld a, c
cp 128
jr c, .notpressingcaps
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG #6000 ... #7F ; backtick (or (C) with ROM font)
; data ... /> .pressingcapsshift
ld a, 128 ; set bit 7 in A ... ld a, c
cp 128
jr c, .notpressingcaps
Spectrumpedia second edition - it's here!Hi everybody, it is with great pleasure that I annonunce you the release of the new Spectrumpedia in its second edition, revised and enhanced in e…
... , Multiface 128C, External ROM Card 64/128/Super ROM Card 256, Orpheus and ... an entry for the NOXOM ZX Interface II-compatible cartridges and ... Bibliography/Web resources. The Recreated ZX Spectrum picture has been removed ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG #6000 ... #7F ; backtick (or (C) with ROM font)
; String/ ... /> .pressingcapsshift
ld a, 128 ; set bit 7 in A ... ld a, c
cp 128
jr c, .notpressingcaps
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG #6000 ... #7F ; backtick (or (C) with ROM font)
; escape ... /> .pressingcapsshift
ld a, 128 ; set bit 7 in A ... ld a, c
cp 128
jr c, .notpressingcaps
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG #6000 ... #7F ; backtick (or (C) with ROM font)
; escape ... /> .pressingcapsshift
ld a, 128 ; set bit 7 in A ... ld a, c
cp 128
jr c, .notpressingcaps
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG # ... 7F ; backtick (or (C) with ROM font)
; escape ... db .func - .symstr + evaltime * 128
.symstr
db symbol ... ld a, c
cp 128
jr c, .notpressingcaps< ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG # ... 7F ; backtick (or (C) with ROM font)
; escape ... db .func - .symstr + evaltime * 128
.symstr
db symbol ... ld a, c
cp 128
jr c, .notpressingcaps< ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG # ... 7F ; backtick (or (C) with ROM font)
; escape ... db .func - .symstr + evaltime * 128
.symstr
db symbol ... ld a, c
cp 128
jr c, .notpressingcaps< ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... [code]
; Console functions for ZX Spectrum
ORG # ... 7F ; backtick (or (C) with ROM font)
; escape ... db .func - .symstr + evaltime * 128
.symstr
db symbol ... ld a, c
cp 128
jr c, .notpressingcaps< ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... code]
; Console functions for ZX Spectrum
ORG ... 7F ; backtick (or (C) with ROM font)
; escape ... /> db .func - .symstr + evaltime * 128
.symstr
db symbol ... ld a, c
cp 128
jr c, .notpressingcaps< ...Max RAM for ZX Spectrum gamesHow much RAM can be used for single level/whole game? On tape writing.
... you don't use any ROM routines - which you probably wouldn ... .breakintoprogram.co.uk/hardware/computers/zx-spectrum/memory-map
ROM on a 16/48 machine. And indeed on 128 models ... mode. There is an additional ROM for the 128k though with ...ZX81 EmulatorIn 1997 the ZX81-emulator for the ZX Spectrum was released. Immediately after showing it to the public at the dutch HCC-days we heard 'rumours'of a …
... the ZX81-emulator for the ZX Spectrum was released.
128 in the 80's.
Football Director 128Sorry if this has come up before but having downloaded Football Director 128 when I try to load it it always seems to crash on the title page. Any o…
Sorry if this has come up before but having downloaded Football Director 128 when I try to load it it always seems to crash on the title page. Any one know what I'm doing wrong? Does anyone else have this problem?
Cheers!
PaulZX to EGA - it works !!I finally hooked up EGA monitor to ZX. Everybody can repeat if can hold the soldering iron in the arm. The circuit diagram is simple, it contains two…
... hooked up EGA monitor to ZX. Everybody can repeat if can ...ZX PC InterfaceA couple of weeks ago ( or is it months already? ) I told you to built an interface between Speccie and PC through the parallel port. After making so…
... 's (standard IO scheme for ZX)
1x (fe)male connector ...128 +2 video connections.I have just got my hands on a Spectrum 128 +2 grey model all in working order, what I need to know is if I take a signal from the CVBS Composite Vid…
... my hands on a Spectrum 128 +2 grey model all in ...
