Thank you Ken and John.
>From John's info that the code for RST 4 starts at 0020h and go up to around
>0027h so I can disassemble that to see what happens.
Good stuff!
Bob
-----Original Message-----
From: M100 [mailto:[email protected]] On Behalf Of Ken Pettit
Sent: Monday, September 10, 2018 12:28 PM
To: [email protected]
Subject: Re: [M100] Question 8085 Model T assembly - RST 4
But as a quick anwer, RST 4 prints the ASCII character in the A register
to the LCD or Printer.
Ken
On 9/10/18 9:26 AM, John Gardner wrote:
> RSTs are software interrupts. Intel's 8085 manual is a good
>
> source for this stuff, or you can look at this...
>
> http://www.idc-online.com/control1/Interrupts_of_intel_8085.pdf
>
> On 9/10/18, Bob Pigford <[email protected]> wrote:
>> Hello,
>>
>>
>>
>> From time to time when studying others' asm listings for ModelT's, I find
>> an
>> opcode called RST 4.
>>
>> I have not yet found this documented anywhere. What does RST 4 do?
>>
>>
>>
>> Thanks for your help,
>>
>>
>>
>> Bob
>>
>>
