Re: [M100] hardware scrolling patch

2022-02-24 Thread Philip Avery
Good work Steve, and reducing it to 65 bytes - cool bananas. I agree, M100 CP/M uses rst 4 to output text so this should work fine with the Page Register in hi RAM zeroed out. Philip On 24/02/2022 5:29 pm, Stephen Adolph wrote: Hi Tom, I was thinking about that.  It may well work with CP/m

Re: [M100] hardware scrolling patch

2022-02-24 Thread Mike Stein
Wow! How'd ya do it? m On Thu, Feb 24, 2022 at 12:52 AM Stephen Adolph wrote: > ...and found some more savings. *now down to 85 bytes*! Leaving 65 > bytes for more patch fun. > > > On Wed, Feb 23, 2022 at 1:24 PM Stephen Adolph > wrote: > >> In T200, the video subsystem was really reworked

Re: [M100] ROM disassembly updatec

2022-02-24 Thread Stephen Adolph
Hi Stehano, I went into the file to take a look, hoping to learn a bit more about certain routines. Without references in the file to M100 ROM locations, it is really really hard to understand what is what. Is there another document that I could look at? An assembled listing possibly? thanks

Re: [M100] hardware scrolling patch

2022-02-24 Thread Brian White
incredible! bkw On Thu, Feb 24, 2022, 12:52 AM Stephen Adolph wrote: > ...and found some more savings. *now down to 85 bytes*! Leaving 65 > bytes for more patch fun. > > > On Wed, Feb 23, 2022 at 1:24 PM Stephen Adolph > wrote: > >> In T200, the video subsystem was really reworked to take