blastem.git - Oxore's fork of "blastem" emulator for ROM hacking (C)

Age	Commit message (Collapse)	Author
2013-09-15	Clear the low 2 bits of CD when a register is written to	Mike Pavone

2013-09-15	Don't allow register writes to regs above when in Mode 4	Mike Pavone

2013-09-15	Remove read pending stuff, that had been added in an attempt to fix ↵	Mike Pavone
	CRAM/VSRAM undefined bit results. Set number of bits actually saved in VSRAM to 11
2013-09-15	Implement undocumented 8-bit VRAM read	Mike Pavone

2013-09-15	Fix VSRAM reads	Mike Pavone

2013-09-15	Implement FIFO as a ring buffer so the behavior of reads from invalid CRAM ↵	Mike Pavone
	and VSRAM bits can be implemented properly
2013-09-13	Properly delay 68K on VDP reads. Dummy VDP test port implementation. Initial ↵	Mike Pavone
	stab at handling undefined bits of VSRAM and CRAM.
2013-09-10	Added copyright notice to source files and added GPL license text in COPYING	Mike Pavone

2013-09-10	Fix timing of backdrop rendering when the display is turned off	Mike Pavone

2013-09-10	Merge	Mike Pavone

2013-09-10	Implement FIFO latency and improve DMA accuracy	Mike Pavone

2013-09-08	Revert change to VBLANK flag timing based on new direct color DMA test	Mike Pavone

2013-09-02	Fix per-column scrolling bug	Mike Pavone

2013-09-02	Adjust VBLANK flag and refresh timing to be in line with logic analyzer and ↵	Mike Pavone
	visual observations of direct color DMA demos. Remove debug print statements.
2013-09-01	Merge	Mike Pavone

2013-09-01	Fix bug that caused a DMA fill to start after another DMA operation ↵	Mike Pavone
	completed if the FIFO is not empty
2013-07-26	Added support for saving savestates. Added gst savestate format test harness	Mike Pavone

2013-07-16	Add address/cd registers to VDP debug message	Mike Pavone

2013-07-15	Restore one of the VDP debugging modes	Mike Pavone

2013-07-12	Implement the scroll ring buffer properly without memcpy	Mike Pavone

2013-06-30	Refactor duplicated CRAM writing code and fix a bug in the process	Mike Pavone

2013-06-30	Make VDP render in native pixel format of the renderer for a modest ↵	Mike Pavone
	performance gain and to make it easier to use OpenGL for rendering
2013-06-29	Add support for loading GST format savestates	Mike Pavone

2013-06-23	Fix window layer in double res interlace mode	Mike Pavone

2013-06-23	Fix sprite y mask in interlace mode. Fix framebuffer selection when ↵	Mike Pavone
	switching out of interlace mode.
2013-06-23	Fix vscroll calculation in double resultion interlace mode	Mike Pavone

2013-06-22	Initial work on interlace	Mike Pavone

2013-05-15	Fix background color regsiter number	Mike Pavone

2013-05-14	Only latch video mode at the very beginning of the frame to avoid problems ↵	Mike Pavone
	with the cycle count getting out of sync with what I expect
2013-05-14	Update Z80 vint timing	Mike Pavone

2013-05-14	Update hv counter calculation for clock wonkiness	Mike Pavone

2013-05-14	Fixup VINT cycle and HBLANK flag for the previous timing fixes	Mike Pavone

2013-05-13	Initial stab at implementing funky clock adjustments during HSYNC for H40 mode	Mike Pavone

2013-05-13	Implement first line/last line weirdness in VDP	Mike Pavone

2013-05-13	Fewer magic numbers in the VDP core for the win	Mike Pavone

2013-05-13	Added some basic VDP debugging features to debugger. Fixed DMA enable bug	Mike Pavone

2013-05-11	Properly mask sprite X and Y coordinates	Mike Pavone

2013-05-11	Remove z80_ram reference in SDL renderer to get stateview compiling again. ↵	Mike Pavone
	Print out the sprite list in stateview.
2013-05-10	Implement hblank flag in status register	Mike Pavone

2013-05-10	Initial stab at horizontal interrupts and improving accuracy of vertical ↵	Mike Pavone
	interrupts. Also added the VINT pending flag to status port.
2013-05-06	Make sure all rendering operations mask CRAM with 0xEEE before using it	Mike Pavone

2013-04-22	Less broken implementation of shadow/highlight	Mike Pavone

2013-04-22	Shadow and higlight operators were switched	Mike Pavone

2013-04-22	Implemented shadow hilight mode.	Mike Pavone

2013-01-14	Fixes for direct color dma stuff	Mike Pavone

2013-01-14	Small fix to bg drawing that yields the proper res for direct color DMA	Mike Pavone

2013-01-14	Fix background rendering when display is off and improve refresh cycle ↵	Mike Pavone
	emulation so that direct color DMA demos work
2013-01-08	Fix rendering of sprites at the top edge of screen	Mike Pavone

2013-01-03	Implement MULU/MULS and DIVU/DIVS	Mike Pavone

2013-01-01	Make writes to control and data port block when DMA is in progress	Mike Pavone