-
Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …
[QUOTE=Winston;287879]
To recap: ... streams without needing to trap RST 8 and extend BASIC.
[/QUOTE]
There is evidence ... -
Black ScreenHi, Anyone know what would cause a 48k Spectrum to boot to a black screen? you can hear the internals buzzing at power up, but you just get a black…
... press the keys?
[QUOTE=aowen;301853]If the ULA ... the RAM defaults to zero.[/QUOTE]
The RAM defaults ... stripes (the CPU will execute RST #38 over and over again ... up ix 0xFF - which is RST #38, and the stack will ... -
Print ATHello, Can someone please tell me how to do a Print AT command? Thanks,
[QUOTE=somewherecheap;305154]Hello,
Thanks,[/QUOTE]
Here is ... LD a,22
RST 16
LD a,10 ... (x-coord)
RST 16
LD a,20 ... (y-coord)
RST 16
LD a,65 ... (character code)
RST 16
[/CODE] -
Print ATHello, Can someone please tell me how to do a Print AT command? Thanks,
[quote=Rickard;305229]
Here we ...
LD a,22
RST 16
LD a,10 ... (x-coord)
RST 16
LD a,20 ... (y-coord)
RST 16
LD a,65 ... (character code)
RST 16
[/code][/quote]You need to swap ... -
16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…
[QUOTE=maskenlos;314266]
@ Winston: Thanks ... to realise the trap in?[/QUOTE]
The IF1 presents ... a problem because it traps RST 8. You'd have to ... to use something other than RST 8 to handle errors, and ... -
Keyboard routinesI'll ask here first - since this must be a long-ago solved problem, and hopefully I can avoid re-inventing the wheel... I need a keyboard routine th…
[quote=Winston;325600]gasman: that's ... ROM is handled via the RST 8 trap, but if the ... RST 8 trap is disabled because ... the Spectranet ROM, because, well - RST 8 has been disabled by ... depend on the ZX ROM).[/quote]
So that would mean ... -
Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
[QUOTE=Digital Prawn;326030]...But if ... tests the RAM on it...[/QUOTE]
...Source code included ... A
RET Z
RST $10
INC HL
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
[QUOTE=aowen;327367]I don't ... ACE ROMs in particular here.[/QUOTE]
But if you ... tape routines is identical (also RST xx). TIMEX 2068 is dead ...Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
[QUOTE=velesoft;327373]But if you ... tape routines is identical (also RST xx). TIMEX 2068 is dead ... (unused-not supported).
VELESOFT[/QUOTE]
I think this ...Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
[QUOTE=rahtgaz;328421]LD SP seems ... is not anywhere near obvious.[/QUOTE]
It's quite ... commonly seen in ROM with RST commands, but you can see ...Is the original divIDE compatible with Interface 1Is the original divIDE hardware compatible with Interface 1 ? I would like to use the divIDE and Microdrives connected at the same time. Is this pos…
[QUOTE=bladerunner;333002]Just to clarify, ... command trap of the divIDE ?[/QUOTE]
How work the ... of ZX Interface 1 ? After RST 8 connect IF1 external eprom ... :
#0000 = reset/rst 0
#0008 = RST 8
#0038 = IM1 ...+3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…
[QUOTE=glancaster;338293]On the 128K, ... in 48K or 128K mode.[/quote]
That's not ... is:
error trap RST 8
preserve error states ... )
hand back to original RST 8 routine
no ...2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…
... those new functions.
[QUOTE]The single keyword entry system ... would in any other BASIC.[/QUOTE]
Is this function ... using the error handling routine (RST #8 ). I have been debugging ... /> SCF
CALL $556
RST 8
DEFB 255
2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…
[QUOTE=rinconete;341108]Sounds great. I ... more space in memory...
[/QUOTE]
There is an extra ... 3 characters.
Using RST $08 seems OK.Debian linux on a Speccy!Ok, not [i]quite[/i] what you're expecting, but very cool nonetheless. [url]http://www.retrothing.com/2009/04/modding-a-sinclair-zx-spectrum-to-run-…
[QUOTE=Crisis;347790]Its a gimmick ... a real 8bit linux version.[/QUOTE]
A better place ... locations of the NMI and RST instructions, so the Spectrum will ...Debian linux on a Speccy!Ok, not [i]quite[/i] what you're expecting, but very cool nonetheless. [url]http://www.retrothing.com/2009/04/modding-a-sinclair-zx-spectrum-to-run-…
... locations of the NMI and RST instructions, so the Spectrum will ... bank at 0x0000-0x3FFF.
[/QUOTE]
Yes, it will. And ... ... well, see below.
[QUOTE=ajmoss;348079]
But the ... back into a Sirius 1.[/QUOTE]
Strictly speaking, ...Blake's 7I've got an idea for a Blake's 7 video game for the 128K Spectrum (Only problem is I can't code in neither machine code or Sinclair BASIC, so I will …
[QUOTE=BloodBaz;353012]Nice one. Love ... goooood!
BTW does "RST 8" successfully perform an error ... call to a DEF FN?[/QUOTE]
No idea. IIRC ...Blake's 7I've got an idea for a Blake's 7 video game for the 128K Spectrum (Only problem is I can't code in neither machine code or Sinclair BASIC, so I will …
[quote=BloodBaz;353012]Nice one. Love ... goooood!
BTW does "RST 8" successfully perform an error ... call to a DEF FN?[/quote]
Due to the ... as address of errorcode in RST 8.
I haven ...Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... amp; tricks is welcome anyway..[/QUOTE]
For ... AT control code
RST 16 ; Call the print ... ; Vertical position
RST 16 ; Call the print ... ; Horizontal position
RST 16 ; Call the print routine ...Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... AT control code
RST 16 ; Call the print ... ; Vertical position
RST 16 ; Call the print routine ... ; Horizontal position
RST 16 ; Call the print routine ... be downloaded as a pdf.[/quote]
144 ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... stumped. Any pointers gratefully received![/QUOTE]
Old notes from ... JR F_piend ;Exit
fe1 RST calbas
DEFW 7833 ;Int ... br /> PUSH BC
RST calbas
DEFW 7833 ;Int ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... .wikia.com/wiki/DEF_FN[/url][/QUOTE]
True ... 0496 c5 $0bts
rst $10 ; 0497 d7 $0bts ... 70 $07ts
l_04a6: rst $18 ; 04a6 df $0bts< ... ; 04b8 7e $07ts
rst $10 ; 04b9 d7 $0bts
rst $18 is interesting though as ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
[QUOTE=jp;365872]rst $18 is interesting though as it appears to require an additional parameter...[/QUOTE]This routine allows for a 'core routine' to be called from within the Uni-DOS system.ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…
[QUOTE=velesoft;367559]Garry: Use ... must be replaced with RST #xx. On RST adress is OUT ... one OUT (c),A command.[/QUOTE]
It's ... syntax error, which causes a RST 8 (switch to ResiDOS ... obtain error code (embedded after RST 8 ).
[*]ResiDOS bank ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
[QUOTE=cheveron;367770]It's a ... ROM in the first place.[/QUOTE]
This is confusing for ... possibilities: 1 the hardware solution (RST 8 ) was there already and ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
[QUOTE=cheveron;368372]No you wouldn' ... page itself out until needed.[/QUOTE]
I don't ... of a similar trap to RST 8, but a one time ...More ridiculously out of proportion punishment for piracyFrom: [URL]http://www.nbclosangeles.com/news/local-beat/Cal-State-Student-Faces-10-Year-Prison-Term-for-Playing-with-Video-Games-52386872.html[/URL]…
[QUOTE=cheveron;374148]Now assumıng ıt's a very good fırst chapter, how long do you thınk ıt would take to raıse that sum?[/QUOTE]
what if the first chapter is a ripping good yarn, and then the rest of the book is I AM A FISH?divIDE & Joystick interface / other peripheralsHi, Anyone on here with a divIDE, managed to get the divIDE to play nice with a Kempston joystick interface; specifically - a RAM Turbo joystick int…
... external memory will never compatible.[/QUOTE]
Not entirely true ... addreses or not.
RST 8 traps are a thornier ... the Spectranet to disable all RST 8 traps. For use with ...DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
[QUOTE=garethadams;379854]O.K., in ... functions to do the display (RST 16 etc) or do I ... />
Thanks
Gareth[/QUOTE]
If CPU jump ...DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... write my own function?
[/QUOTE]
You ... are zeropage.asm (the RST 8 initial entry point), ...
[code]
rst CALLBAS (actually, RST 16)
defw ADDRESS_TO_CALL ... br /> ret z
rst CALLBAS
defw 0x0010< ...
