Rewritten parts of the 86F handler to minimize false CRC errors and misidentification of sectors;
Replaced IMG handler with one that now proxies to the 86F handler; Applies the remaining Mainline PCem speedup commit; Fixed the National Semiconductors PC87306 Super I/O Chip's serial port IRQ assignment; DMF images are now loaded with the correct sector interleave, improving read/write speed; XDF images are now loaded in a way that emulates the real order of the sectors on the track, improving read/write speed; Added 16-bit physical memory read/write routines (mem_phys_readw, mem_phys_writew) and modified the 16-bit DMA code to use them instead of two 8-bit reads/writes.
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@@ -10,6 +10,8 @@
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#define IDM_EJECT_A 40012
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#define IDM_EJECT_B 40013
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#define IDM_HDCONF 40014
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#define IDM_DISC_A_WP 40015
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#define IDM_DISC_B_WP 40016
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#define IDM_CONFIG 40020
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#define IDM_CONFIG_LOAD 40021
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#define IDM_CONFIG_SAVE 40022
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