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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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3
src/mca.h
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@ -1,5 +1,6 @@
void mca_init(int nr_cards);
void mca_add(uint8_t (*read)(int addr, void *priv), void (*write)(int addr, uint8_t val, void *priv), void *priv);
void mca_add(uint8_t (*read)(int addr, void *priv), void (*write)(int addr, uint8_t val, void *priv), void (*reset)(void *priv), void *priv);
void mca_set_index(int index);
uint8_t mca_read(uint16_t port);
void mca_write(uint16_t port, uint8_t val);
void mca_reset(void);