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IDE buffers are now allocated on IDE reset, only for attached devices (and sector buffers only for hard disks).

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OBattler
2018-03-15 23:32:07 +01:00
parent 3759cbaad0
commit 1f11f9f9a1
3 changed files with 49 additions and 12 deletions
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7
src/disk/hdc_ide.h
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@@ -9,7 +9,7 @@
* Implementation of the IDE emulation for hard disks and ATAPI
* CD-ROM devices.
*
* Version: @(#)hdd_ide.h 1.0.6 2018/02/14
* Version: @(#)hdd_ide.h 1.0.7 2018/03/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -36,7 +36,7 @@ typedef struct {
int packetstatus;
uint8_t asc;
int reset;
uint16_t buffer[65536];
uint16_t *buffer;
int irqstat;
int service;
int lba;
@@ -49,7 +49,7 @@ typedef struct {
int hdd_num;
uint8_t specify_success;
int mdma_mode;
uint8_t sector_buffer[256*512];
uint8_t *sector_buffer;
int do_initial_read;
int sector_pos;
} IDE;
@@ -104,6 +104,7 @@ extern void ide_set_callback(uint8_t channel, int64_t callback);
extern void secondary_ide_check(void);
extern void ide_padstr8(uint8_t *buf, int buf_size, const char *src);
extern void ide_destroy_buffers(void);
extern int (*ide_bus_master_read)(int channel, uint8_t *data, int transfer_length);
extern int (*ide_bus_master_write)(int channel, uint8_t *data, int transfer_length);