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Added Cirrus Logic GD5428 emulation.

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As part of this, added emulation of the GD5428-based IBM 1MB SVGA Adapter/A,
along with support for external graphics cards on MCA platforms, adding the
ability to override the onboard VGA controller.
This commit is contained in:
SarahW 2020-02-01 16:30:34 +00:00
commit 68a2d8cb3c
14 changed files with 342 additions and 43 deletions
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2
src/sound_adlib.c
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@ -76,7 +76,7 @@ void *adlib_mca_init()
adlib_t *adlib = adlib_init();
io_removehandler(0x0388, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &adlib->opl);
mca_add(adlib_mca_read, adlib_mca_write, adlib);
mca_add(adlib_mca_read, adlib_mca_write, NULL, adlib);
adlib->pos_regs[0] = 0xd7;
adlib->pos_regs[1] = 0x70;