joncampbell123/dosbox-x
1
0
Fork 0
mirror of https://github.com/joncampbell123/dosbox-x.git synced 2025-05-09 03:41:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

IDE: change ATA IDENTIFY DEVICE to reflect an older drive

Browse Source
This commit is contained in:
Jonathan Campbell 2013-10-27 00:48:37 -07:00
parent a051baa72a
commit e79ea93b32
1 changed files with 30 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/hardware/ide.cpp
View File

@ -912,35 +912,43 @@ void IDEATADevice::generate_identify_device() {
sector[(i^1)+(27*2)] = ' ';
host_writew(sector+(47*2),0x8080); /* <- READ/WRITE MULTIPLE MAX SECTORS */
host_writew(sector+(48*2),0x0001);
host_writew(sector+(49*2),0x0B00);
host_writew(sector+(50*2),0x4000);
host_writew(sector+(48*2),0x0001); /* FIXME: ??? */
host_writew(sector+(49*2),0x0A00); /* :13 0=Standby timer values managed by device */
/* :11 1=IORDY supported */
/* :10 0=IORDY not disabled */
/* :9 1=LBA supported */
/* :8 0=DMA not supported */
host_writew(sector+(50*2),0x4000); /* FIXME: ??? */
host_writew(sector+(51*2),0x00F0); /* PIO data transfer cycle timing mode */
host_writew(sector+(52*2),0x00F0); /* DMA data transfer cycle timing mode */
host_writew(sector+(53*2),0x0007);
host_writew(sector+(53*2),0x0007); /* :2 1=the fields in word 88 are valid */
/* :1 1=the fields in word (70:64) are valid */
/* :0 1= ??? */
host_writew(sector+(54*2),cyls); /* current cylinders */
host_writew(sector+(55*2),heads); /* current heads */
host_writew(sector+(56*2),sects); /* current sectors per track */
host_writed(sector+(57*2),total); /* current capacity in sectors */
host_writew(sector+(59*2),0x0101); /* CURRENT READ/WRITE MULTIPLE SECTOR SETTING with valid=1 */
host_writew(sector+(59*2),0x0101); /* :8 multiple sector setting is valid */
/* 7:0 current setting for number of log. sectors per DRQ of READ/WRITE MULTIPLE */
host_writed(sector+(60*2),total); /* total user addressable sectors (LBA) */
// host_writew(sector+(62*2),0x0007);
// host_writew(sector+(63*2),0x0007);
// host_writew(sector+(64*2),0x0003);
// host_writew(sector+(65*2),0x0078);
// host_writew(sector+(66*2),0x0078);
// host_writew(sector+(67*2),0x0078);
// host_writew(sector+(68*2),0x0078);
// host_writew(sector+(80*2),0x007E);
// host_writew(sector+(81*2),0x0022);
// host_writew(sector+(82*2),0x0068);
// host_writew(sector+(83*2),0x5000);
// host_writew(sector+(84*2),0x4000);
// host_writew(sector+(85*2),0x0068);
// host_writew(sector+(86*2),0x1000);
// host_writew(sector+(87*2),0x4000);
// host_writew(sector+(88*2),0x047F);
// host_writew(sector+(93*3),0x6003);
host_writew(sector+(62*2),0x0000); /* FIXME: ??? */
host_writew(sector+(63*2),0x0000); /* :10 0=Multiword DMA mode 2 not selected */
/* TODO: Basically, we don't do DMA. Fill out this comment */
host_writew(sector+(64*2),0x0003); /* 7:0 PIO modes supported (FIXME ???) */
host_writew(sector+(65*2),0x0000); /* FIXME: ??? */
host_writew(sector+(66*2),0x0000); /* FIXME: ??? */
host_writew(sector+(67*2),0x0078); /* FIXME: ??? */
host_writew(sector+(68*2),0x0078); /* FIXME: ??? */
host_writew(sector+(80*2),0x001E); /* Supports ATA-1/2/3/4 */
host_writew(sector+(81*2),0x0022); /* FIXME: ??? */
host_writew(sector+(82*2),0x0200); /* FIXME: ??? */
host_writew(sector+(83*2),0x4000); /* FIXME: ??? */
host_writew(sector+(84*2),0x4000); /* FIXME: ??? */
host_writew(sector+(85*2),0x0200); /* FIXME: ??? */
host_writew(sector+(86*2),0x0000); /* FIXME: ??? */
host_writew(sector+(87*2),0x4000); /* FIXME: ??? */
host_writew(sector+(88*2),0x0000); /* FIXME: ??? */
host_writew(sector+(93*3),0x0000); /* FIXME: ??? */
/* ATA-8 integrity checksum */
sector[510] = 0xA5;