Merge branch 'master' into pc98x1

This commit is contained in:
TC1995
2024-08-26 00:39:00 +02:00
2 changed files with 38 additions and 29 deletions

View File

@@ -37,6 +37,7 @@
#ifndef _FILE_OFFSET_BITS
# define _FILE_OFFSET_BITS 64
#endif
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
@@ -45,6 +46,10 @@
#include <time.h>
#include "minivhd.h"
#include "internal.h"
#define HAVE_STDARG_H
#include "cpu.h"
#include <86box/86box.h>
/*
* The following bit array macros adapted from:
@@ -334,36 +339,38 @@ mvhd_sparse_diff_write(MVHDMeta *vhdm, uint32_t offset, int num_sectors, void *i
int sib = 0;
ls = offset + transfer_sectors;
for (s = offset; s < ls; s++) {
blk = s / vhdm->sect_per_block;
sib = s % vhdm->sect_per_block;
if (vhdm->bitmap.curr_block != blk && prev_blk >= 0) {
/* Write the sector bitmap for the previous block, before we replace it. */
write_curr_sect_bitmap(vhdm);
}
if (vhdm->block_offset[blk] == MVHD_SPARSE_BLK) {
/* "read" the sector bitmap first, before creating a new block, as the bitmap will be
zero either way */
read_sect_bitmap(vhdm, blk);
create_block(vhdm, blk);
}
if (blk != prev_blk) {
if (vhdm->bitmap.curr_block != blk) {
read_sect_bitmap(vhdm, blk);
mvhd_fseeko64(vhdm->f, (uint64_t)sib * MVHD_SECTOR_SIZE, SEEK_CUR);
} else {
addr = (((int64_t) vhdm->block_offset[blk]) + vhdm->bitmap.sector_count + sib) *
MVHD_SECTOR_SIZE;
mvhd_fseeko64(vhdm->f, addr, SEEK_SET);
if (offset < total_sectors) {
for (s = offset; s < ls; s++) {
blk = s / vhdm->sect_per_block;
sib = s % vhdm->sect_per_block;
if (vhdm->bitmap.curr_block != blk && prev_blk >= 0) {
/* Write the sector bitmap for the previous block, before we replace it. */
write_curr_sect_bitmap(vhdm);
}
prev_blk = blk;
}
fwrite(buff, MVHD_SECTOR_SIZE, 1, vhdm->f);
VHD_SETBIT(vhdm->bitmap.curr_bitmap, sib);
buff += MVHD_SECTOR_SIZE;
if (vhdm->block_offset[blk] == MVHD_SPARSE_BLK) {
/* "read" the sector bitmap first, before creating a new block, as the bitmap will be
zero either way */
read_sect_bitmap(vhdm, blk);
create_block(vhdm, blk);
}
if (blk != prev_blk) {
if (vhdm->bitmap.curr_block != blk) {
read_sect_bitmap(vhdm, blk);
mvhd_fseeko64(vhdm->f, (uint64_t)sib * MVHD_SECTOR_SIZE, SEEK_CUR);
} else {
addr = (((int64_t) vhdm->block_offset[blk]) + vhdm->bitmap.sector_count + sib) *
MVHD_SECTOR_SIZE;
mvhd_fseeko64(vhdm->f, addr, SEEK_SET);
}
prev_blk = blk;
}
fwrite(buff, MVHD_SECTOR_SIZE, 1, vhdm->f);
VHD_SETBIT(vhdm->bitmap.curr_bitmap, sib);
buff += MVHD_SECTOR_SIZE;
}
}
/* And write the sector bitmap for the last block we visited to disk */

View File

@@ -1959,7 +1959,9 @@ sb_read(uint16_t a, void *priv)
else
ret = 0x7f;
}
} else
} else if (IS_AZTECH(dsp))
ret = 0x00;
else
ret = 0xff;
break;
case 0xE: /* Read data ready */