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IDE DMA: Properly handle partial transfers, fixes ATAPI DMA in Windows 98 SE.

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OBattler
2025-03-17 20:58:15 +01:00
parent 8fd299f2d7
commit 556c74c159
6 changed files with 30 additions and 19 deletions
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2
src/include/86box/hdc_ide.h
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@@ -201,7 +201,7 @@ extern uint8_t ide_read_alt_status(uint16_t addr, void *priv);
extern uint16_t ide_readw(uint16_t addr, void *priv);
extern void ide_set_bus_master(int board,
int (*dma)(uint8_t *data, int transfer_length, int out, void *priv),
int (*dma)(uint8_t *data, int transfer_length, int total_length, int out, void *priv),
void (*set_irq)(uint8_t status, void *priv), void *priv);
extern void win_cdrom_eject(uint8_t id);

2
src/include/86box/hdc_ide_sff8038i.h
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@@ -63,7 +63,7 @@ extern const device_t sff8038i_device;
extern void sff_bus_master_handler(sff8038i_t *dev, int enabled, uint16_t base);
extern void sff_bus_master_set_irq(uint8_t status, void *priv);
extern int sff_bus_master_dma(uint8_t *data, int transfer_length, int out, void *priv);
extern int sff_bus_master_dma(uint8_t *data, int transfer_length, int total_length, int out, void *priv);
extern void sff_bus_master_write(uint16_t port, uint8_t val, void *priv);
extern uint8_t sff_bus_master_read(uint16_t port, void *priv);