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logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…
[QUOTE=Battle Bunny;479863]As you ... parameters as a general case.[/QUOTE]
No matter what ... faster than the built-in RST #28 forth-like interpreter. -
logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…
... as i.e. INSTR commmand[/quote]
I did ... br /> push hl
rst 18h ;get token at CH_ADD ... br /> jr nz,Exit
rst 20h
cp ":" ;the next ... -
Print text in assemblyHello, a perhaps simple question: I would like to print a text string on the screen and I wonder how to do that in the most easy way? I seem to re…
[QUOTE=Rickard;485244]Hello,
... kind of ROM based code, RST 16 (?), but can that print ... in assembly.
Thanks![/QUOTE]
[code]
ret z
rst 16
inc hl
Printer Printing Problem (assembler)I've a program that outputs to the lower screen at various places, using a combination of calls to RST $10 plus OUT-NUM-1 and PR-STRING. It also call…
... a,$16 ;AT
rst $10
xor a ... ;0
rst $10
ld a ... ,24 ;24
rst $10
ld b ... br /> ret
[/code][/QUOTE]
Does ...Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve
... you please share that code?[/QUOTE]
Certainly. After some ... ; Jump if loaded OK
rst $08 ; Report error and return ... ; Load the BASIC block
rst $08 ; Report 'error' and return ...Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve
... , although it's not essential :)[/QUOTE]
I added some ... ; Jump if loaded OK
rst $08 ; Report error and return ... char code in A
rst $10 ; Print it
... ; Load the BASIC block
rst $08 ; Report 'error' and return ...Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
[QUOTE=toadstool;492450]Magnificent! :-) Can SE ... all the work so far....[/QUOTE]
This menu will ... )
OUT (23),A
RST 0 ;software reset
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
[QUOTE=aowen;499633]FPGAs. Thinking about ... on a RST 28H instruction to replace the ROM calls.[/QUOTE]
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... implement in a new Spectrum?[/QUOTE]
There were ... routines are called using the RST 28 instruction to invoke ... :
[code]
RST 28H ;; FP-CALC add step ... FPGA, because when the RST 28H instruction is read, ...Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
[QUOTE=aowen;499856]
For this ... an FPGA, because when the RST 28H instruction is read, instead ... to the maths co-processor. [/QUOTE]
The way I ... the Z80 from fetching the RST 28. (There's some more ...Z80 Processor Interupt helpHi everyone, Currently designing a Z80 computer and i need a little help with these interupts. If i have an I/O device that sends a pulse to the int…
[QUOTE=Robin;504974]Hi everyone,
< ... a register and then continues?[/QUOTE]
What the Z80 ... normally, it will be a RST instruction, which is actually a ...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
[QUOTE=wilsonsamm;515359]How is this ... is reserved by the CPU).[/QUOTE]
Under construction. I ... (all will be accessible via RST, same way as you call ...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... , possibility of calling bios via RST 10, memory management and core ... because there is also a quote character on the letter P ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
[QUOTE=Z80user;495124]I think the ... l_on_l r_on_r l_on_r and r_on_l[/quote]
I double checked ... ), a ; clear AT flag
rst 8h ; error
defb 10 ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
[QUOTE=FrankT;522433]How can I ... this from a MC program?[/quote]
Set the ... the screen) and then use RST 10 (PRINT-A) recursively to ... the A register.
[quote]Its a nice readable font ... for such a small size.[/QUOTE]
Thanks ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
[QUOTE=FrankT;522440]I want ... (window) up on carriage returns.[/quote]
I don ... print in A then use RST 10. That should work ... interrupt routine.
[/quote]A half width blinking cursor ... be nice to add too.[/QUOTE]
Unfortunately ...Time difference for jumps and calls?Just interested (and possibly trying to distract myself from the more pressing problems in my sprite routine) and willing to risk a potentially daft …
[QUOTE=R-Tape;527776]Do we know the reason RST is restricted to ... only a small number of routines?[/QUOTE ...Time difference for jumps and calls?Just interested (and possibly trying to distract myself from the more pressing problems in my sprite routine) and willing to risk a potentially daft …
[QUOTE=Woody;527774][code]
... fwd jr back
[/code][/QUOTE]
You tried so ...
[QUOTE=R-Tape;527776]Do we know the reason RST is ... restricted to only a small number of routines?[/QUOTE ... out of 8 choose 'RST' and then 3 bits ...Time difference for jumps and calls?Just interested (and possibly trying to distract myself from the more pressing problems in my sprite routine) and willing to risk a potentially daft …
[QUOTE=aowen;527780]Because those addresses ... RSTs in your own code.[/QUOTE]
Ta Aowen. At ... get some background on that RST 16 I used so much ...Time difference for jumps and calls?Just interested (and possibly trying to distract myself from the more pressing problems in my sprite routine) and willing to risk a potentially daft …
[QUOTE=dmsmith;529556]Hey, I never ... comment sparked my curiosity.
[/QUOTE]
It's not ... to. By contrast all the RST instructions are a single byte ...This might be something new[img]http://www.711chan.org/test/src/130427925559.png[/img] Have a look at this screenshot of my emulator ZX82. Notice the copyright message? That's…
... Ah, like SpecBAS.
[quote]It means that the arithmetic ... because it would break compatibility),[/quote]
Well ... [url ... math via the RST 28H call.
[quote]It also ... equate to things like LOAD "").[/quote]
I ...DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …
[QUOTE=kpuchatek;531886]Thanks Velesoft ! And ... mode but without "jumper game".[/QUOTE]
Yes, all is ... with ram3+ram2 pages)
RST 0 ;reset and connect divide ... ;deactive conmem + active mapram
RST 0 ;software resetProportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
[QUOTE=Paddy Coleman;535497]For adventure ... your option would be preferred?[/QUOTE]
Well here's ... )
LD (HL),A
RST 8
DEFB 4
Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
[QUOTE=Paddy Coleman;539787]My concern ... the printing routine will suffer?[/QUOTE]
Well I'm ... /> ret ;
err5:
rst 0x08 ;
defb 0x04 ;
fast font engine possible?inspired by the recent "proportional font" thread for zx basic and ideas for gui and having done some of the work on this in the past i wonder if it …
[QUOTE=aowen;539960]Using RST10 to ... 's hugely wasteful of RAM.[/QUOTE]
once you have ... support for channels (i.e. rst 10 printing).
as ...OpenSE Software CompatibilityWith the earlier Open82 project a page was set up on Wikia ([url]http://scratchpad.wikia.com/wiki/Open82[/url]) with compatibility information on var…
[QUOTE=aowen;540175]Given that the ... . That's about it really.[/QUOTE]
Well, assuming you stuck ... need was somewhere (preferably a RST point if one is free ...OpenSE Software CompatibilityWith the earlier Open82 project a page was set up on Wikia ([url]http://scratchpad.wikia.com/wiki/Open82[/url]) with compatibility information on var…
[QUOTE=AndyC;540194]Well, assuming you ... need was somewhere (preferably a RST point if one is free ... jump into the other ROMs.[/QUOTE]
There aren't ...
