Re: Speeding up Interrupts...

1999-02-10 Thread Oberleithner Wolfgang
Maarten ter Huurne schrieb: I want to speed up the interrupt (original #38). So I use the #FD9A for jumping to my own routine (which will pop the return-adress from the stack), checking the Vertcal- Blank flag and only the absoult necessary things. There is a much more convenient way of

Re: Speeding up Interrupts...

1999-02-10 Thread Oberleithner Wolfgang
NYYRIKKI schrieb: #FD9F: called 50/60 times per second, a restard-command to stop the diskdrive. - before disabling this call, I will call it 256 times after a diskoperation to stop the drive. LD A,1 LD (#F1C1),A CALL #FD9F Should be

Speeding up Interrupts...

1999-02-10 Thread Oberleithner Wolfgang
Hello! I want to speed up the interrupt (original #38). So I use the #FD9A for jumping to my own routine (which will pop the return-adress from the stack), checking the Vertcal- Blank flag and only the absoult necessary things. Everything is fine, BUT - there are still two things which I would

Interrupts

1999-02-09 Thread Oberleithner Wolfgang
Hi! I have a little question: - Interrupt occurs - (DI) - Interrupt Routine (- new interrupt occurs) - EI - ret What will happen if a NEW interrupt occurs when the MSX is processing obove mentioned "routine-part"? - After switching the interrupts on, will the MSX remember the interrupt

VDP 9938

1999-02-09 Thread Oberleithner Wolfgang
Hi! Does anybody know how the Video-Ram-contents is changed depending on the settings of the moderegisters? mode registers: M5/1 - Screen select 0 Screen 1 1 Screen 0 (WIDTH 40) 00010 Screen 3 00100 Screen 2 01000 Screen 4 01001 Screen 0

Re: Copy ethics? SUPPORT ACTIVE GROUPS!

1999-02-09 Thread Oberleithner Wolfgang
[CUT] -MSX Club Power Replay- [CUT] You know what I mean? For myself, I bought a lot of original software everytime when I visited a fair in the Netherlands. And there is more than one game which I've played only once, and never again. (There is even one which I have never played!) #)