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
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
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
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
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
[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!) #)