| Sun, 24 Apr 2016 14:30:15 -0700 |
Michael Pavone |
FIFO should show as empty during a DMA fill after the initial write is done. BlastEm now gets a perfect score in VDP FIFO Testing
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| Sun, 24 Apr 2016 11:53:59 -0700 |
Michael Pavone |
Fixes to the DMA busy flag and DMA fill. Now up to 120/122 on VDP FIFO Testing.
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| Sun, 24 Apr 2016 02:19:48 -0700 |
Michael Pavone |
Half assed, prefetch based open bus value emulation. Gets BlastEm up to 119/122 in VDP FIFO Testing
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| Sun, 24 Apr 2016 01:24:38 -0700 |
Michael Pavone |
Implemented VDP read prefetch and made DMA copy not use the FIFO any more. Now up to 114 out of 122 passing on VDP FIFO Test ROM
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| Tue, 12 Apr 2016 21:38:24 -0700 |
Michael Pavone |
Remove the int number argument to vdp_int_ack since it is no longer used
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| Tue, 12 Apr 2016 08:35:44 -0700 |
Michael Pavone |
Fix VDP interrupt ack. Big thanks to Eke-Eke or whoever left that helpful comment in Genesis Plus GX. Fixes Fatal Rewind
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| Tue, 02 Feb 2016 18:33:00 -0800 |
Michael Pavone |
Change the sentinel value for the hslot parameter of run_dma_src to something that is not a valid slot number and actually use it for calls during the active display period
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| Tue, 02 Feb 2016 18:24:15 -0800 |
Michael Pavone |
Perform the same slot mapping shift for H32 mode as I did for H40
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| Thu, 28 Jan 2016 09:10:14 -0800 |
Michael Pavone |
Shift slot number to slot behavior mapping by six slots in H40 mode. This makes the line change slot align with the point at which the display turns on and off at the end of the active display area. Also fixed a regression in which an external slot got accidentally changed into a sprite draw slot
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| Tue, 26 Jan 2016 19:23:10 -0800 |
Michael Pavone |
After reviewing the results of my test ROM again it seems pretty clear that the VBlank flag gets set at the same time as the vcounter changes
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| Sun, 17 Jan 2016 14:46:12 -0800 |
Michael Pavone |
Fix calculation of window start column when it's on the right side. This removes graphical glitches in Afterburner 2, Fireshark and Dungeons and Dragons: Warriors of the Eternal Sun and probably others
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| Fri, 13 Nov 2015 22:56:59 -0800 |
Michael Pavone |
Selecting a second game from the menu now works
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| Mon, 03 Aug 2015 20:06:56 -0700 |
Michael Pavone |
Pretty decent optimization of vdp_h40 and vdp_h32. Gets reasonably close to the speed of 0.2.0 in the worst case and is faster than 0.2.0 in others
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| Fri, 17 Jul 2015 08:49:23 -0700 |
Michael Pavone |
Add ability to change start address for VRAM viewer. Fix handling of DMA enable flag when it comes to DMA fills. This fixes a bug in James Pond 3
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| Sun, 28 Jun 2015 09:53:17 -0700 |
Michael Pavone |
More clang warning cleanup
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