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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...
- Wed Dec 06, 2006 9:58 am
- Forum: Video Display Processor
- Topic: Is DMA useful ?
- Replies: 30
- Views: 13312
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...