Search found 408 matches

by ob1
Wed Dec 06, 2006 10:30 am
Forum: Sound
Topic: Programming Z80
Replies: 5
Views: 3377

Programming Z80

Hope it helps. I have managed to run the Z80. sega16 (www.sega-16.com) says EA has done it with LHX and M1 Abrahams. So, here it is. First of all, you write a program for the Z80, let's say a loop that increment a value 15 times : LD A,15 ; ... LD (402h),A ; int *counter = 0x402; ; *n = 15; JR Z,18h...
by ob1
Wed Dec 06, 2006 9:58 am
Forum: Video Display Processor
Topic: Is DMA useful ?
Replies: 30
Views: 15065

Is DMA useful ?

Hi you all. I'm wondering a silly question : is DMA useful ? I'm talking about DMA 1 : transfer data from ROM/RAM to VRAM, not DMA-fill or DMA-copy. Charles McDonalds says the 68000 is frozen until the DMA is finished. So, when you're DMAing, that's the only thing you do, and that's the only thing y...
by ob1
Wed Dec 06, 2006 9:07 am
Forum: Announcement
Topic: Honorable members
Replies: 14
Views: 15438

Honorable members

I'd like to point this : I've currently seen great members on this forum.
cdoty,
plee,
stef,
mask,
pascal
fonzie
et kan ...

How honored I am to post with you guys !

ob