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Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
[quote]
On 2003-03-04 ... />
LD A,65
RST 16 ; PRINT A
JP ... ; run BASIC program!
[/quote]
Oops! Sorry ... -
Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
... know the direct startadress)
[/quote]
This works perfectly ... RAND. USR call.
[quote]
On 2003-03-05 ...
JR Z,PRINTREADY
RST 16
INC HL
Or something like this.....
[/quote]
It's ok ... -
Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
... 12:21, MrShhh wrote:
[quote]
Well,
... know the direct startadress)
[/quote]
This works perfectly ...
JR Z,PRINTREADY
RST 16
INC HL
[/quote]
It's ok ... -
AssemblersOk, two quick questions for you guys: 1) Can anyone give me a link to the Prometheus Assembler ? 2) Does anyone know of an assembler that satisfies …
[quote]
On 2003-08-11 ... would be appreciated!
[/quote]
Tornado has compressed ... zero
inc hl
rst 16
jr loop
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
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On 2003-09-08 ... to be not working :(
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Yeah, I deleted ... this is a single-byte RST instruction that performs a subroutine ... the Z80 will execute a 'RST 0x38' which is a subroutine ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
[quote]
On 2004-02-03 ... a table to read that?[/quote]
No. I deduced ... .
(Actually it would RST 38 twice then return but ... by the by).
[quote]I would use hex, but ... find is easier to read.[/quote]
Easy for you ...Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…
... you provided ?is reallocatable?,
[/quote]
No - but you ... doing. Why that "AT" code?[/quote]
It's ... efficiently translated into machine code. RST 16 is the call for ... in upperscreen" and the like.[/quote]
Hmm, I ...Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…
[quote]
On 2004-03-15 ... cross-platform assembler.
[/quote]
You can select ... of these and
the RST 16 will go to the ...+D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…
[quote]
On 2004-05-25 ... the links to work?
[/quote]
Hi Mikey,
RST#18 is jlo's way ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... tricker.
[/quote]
tricky.
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The standard ... an RST instruction and the total is 13.
[quote]
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Retriggered interrupts
... a retriggered interrupt.
[/quote]
RETI is the ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... the /INT
[/quote]
[/quote]
Maybe ... RST instruction and the total is 13.
[/quote]< ... manual.
[quote]
[quote]
Retriggered interrupts
... .
[quote]
[quote]
tstates after /INT ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... /> According to Programming the Z80 RST instructions take 11 T states ... think this is wrong?
[/quote]
The part ... T states are added. A "RST n" instruction does indeed take ... cycles, the peripheral supplies the "RST n" opcode. This is followed ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
[quote]
On 2004-07- ... to avoid extra logic.
[/quote]
Ah, yes. ... As mentioned above, your normal "RST n" has 5 cycles of ... , during which time the "RST n" opcode is supplied by ... peripheral to place its vector / RST on the data bus) + ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
[quote]Sorry guys I'm having ... hope for me yet...
[/quote]
This is easy ... ROM image, there is another RST 38H command - thus setting up ...is it easy to learn z80 machine codewell is it?
[quote]
The important thing ... 'll never look back.
[/quote]
A classic....
ret z
rst 16
inc hl
is it easy to learn z80 machine codewell is it?
... 12, Dr BEEP wrote:
[quote]
The important thing ... 'll never look back.
[/quote]
A classic....< ... a
ret z
rst 16
inc hl
Remember, not everyone knows that RST 16 outputs a character etc.is it easy to learn z80 machine codewell is it?
... 12, Dr BEEP wrote:
[quote]
The important thing ... 'll never look back.
[/quote]
A classic....< ... 4E4
[/quote]
and that helps ... knows that RST 16 outputs a character etc.
[/quote]
< ...is it easy to learn z80 machine codewell is it?
[quote]
On 2004-10-27 ... stream select before doing any RST 16s?
[ This Message ... -10-27 14:09 ]
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Yep, but ...About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
[quote]
On 2005-02-21 ... program or my compiler...
[/quote]
Looks like you ... that it is not using RST#10 as I claimed earlier ...Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
[quote]
On 2005-05-02 17:23, AE.Vasconcelos wrote:
Nope... Floating point in assembler is too much for me to handle.
[/quote]
Hint: RST 28Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
[quote]
On 2005-05-02 ... :04, Philip Kendall wrote:
[quote]
On 2005-05-02 ... handle.
[/quote]
Hint: RST 28
[/quote]
Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
[quote]
On 2005-05-02 ... 't exactly rocket science:
[/quote]
Maybe not for ... ,3
CALL PUSH_BC
RST #28
DEFB #05 ; division ...Programming MC challengeIn the 80-ies I got the following assignment for a programming course. 2 16-bit values stored in #8000 and #8002 must be added together and stored i…
[quote]
On 2005-08-23 ... />
org #7fff
rst 0 1
org ... some sleep at last...
[/quote]
Sorry, disqualified!
Which assembler to useHello again, another question. As I just started fiddling with assembler I used whatever tools were in front of me. In this case, the built-in assem…
[quote]
On 2005-09-22 ... to use it!
[/quote]
I always use ... a,"A" ; value = 65
rst 16 ; print capital A
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... a reset (effectively a RST 0h instruction).
[/quote]
... Of those, RST 0h only clears PC.
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In ... warm-reset (equivalent of an RST 0 instruction), if for ... mention this to Fred.
[/quote]
The DivIDE ...After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…
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On 2005-11-23 ... RST 16 actually does? ..
[/quote]
Wrong way... RST 16 (or RST ... what subruotine called with RST 16 does.
RST 16 calls at ...After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…
[quote]
On 2005-11-24 ... /> LOOP: LD B,A
RST 16
LD A,B ... />
Necros.
[/quote]
Now all you ...After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…
[quote]
On 2005-11-24 ... way using DJNZ.
[/quote]
Just did it ... /> LOOP: LD C,A
RST 16
LD A,C ...Detecting TR-DOS from BASICIs there a simple (or contrived :D ) way to detect the presence of a TR-DOS/Betadisk interface from BASIC? For fairly obvious reasons this can't rel…
[quote]
On 2006-01-10 ... 'll drop into BASIC.
[/quote]
This sounds a lot ... haven't seen anything about RST 8 hooks on TR-DOS ...
