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Proper VDP Vblank interrupt handling when there are others source of interrupt active
Score: 131.09 %,
Type: Forum topic , Comments: 20 comments
check if int is coming by VDP by reading S#0 the VDP request an interrupt.
3) because reading S#0 ... when the z80 does in a,(99h) the VDP issue its own request. But Because we are reading the register S#0 ... the CPU can read S#0 and be able to detect VDP int.
is there any other way?
I don't see any ...
new game early preview
Score: 132.69 %,
Type: Forum topic , Comments: 23 comments
https://1drv.ms/u/s!Av9g--Caxs7og0c7UzLaPHzjsngO?e=PRPVur
Notes:
- timer does nothing, it will just wrap around when it expires
- use STOP ... The download is available here
https://1drv.ms/u/s!Av9g--Caxs7ohWLpwqdIwLne8pU1?e=q86vN0
Full video here
https://youtu.be/-2Q6cSR2f_w
I actually submitted the game for MSXDEV 2020 since I ...
WTB Zemmix Neo
Score: 131.02 %,
Type: Forum topic , Comments: 1 comment
I've been tempted buying an MSX again for quite some time, but.. limited desk-space and the fact I'd like to have 2+, SCC, FM-Pac, etc... have made me consider alternatives and I have been thinking about the Zemmix Neo.
I've found ...
Trade NMS8250 2+ for NMS 8245 2+ (same specs)
Score: 131.01 %,
Type: Forum topic , Comments: 0 comments
I have a 512 KB, NMS 8250 with two drives, faster diskrom at 7 MHZ MSX 2+ (V9958) computer. I would like to swap it for an equally modded NMS 8245. I prefer an all-in-one system, because it takes less space.
I am not selling the machine, just a ...
