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#if !__FIRST_ARG_IN_AX__
#ifdef __AS386_16__
#include <bios.h>
#include <errno.h>
#ifdef L_bios_disk_read
_bios_disk_read(drive, cyl, head, sect, length, buffer)
{
#asm
push bp
mov bp,sp
push es
push ds
pop es
mov dl,[bp+2+__bios_disk_read.drive]
mov ch,[bp+2+__bios_disk_read.cyl]
mov dh,[bp+2+__bios_disk_read.head]
mov bx,[bp+2+__bios_disk_read.buffer]
#if 0
mov ax,[bp+2+__bios_disk_read.cyl] ! Bits 10-11 of cylinder, AMI BIOS.
mov cl,#4
sar ax,cl
and al,#$C0
xor dh,al
#endif
mov cl,[bp+2+__bios_disk_read.sect]
and cl,#$3F
mov ax,[bp+2+__bios_disk_read.cyl] ! Bits 8-9 of cylinder.
sar ax,#1
sar ax,#1
and al,#$C0
or cl,al
mov al,[bp+2+__bios_disk_read.length]
mov ah,#$02
int $13
jc read_err1
mov ax,#0
read_err1:
xchg ah,al
xor ah,ah
pop es
pop bp
#endasm
}
#endif
#ifdef L_bios_disk_write
_bios_disk_write(drive, cyl, head, sect, length, buffer)
{
#asm
push bp
mov bp,sp
push es
push ds
pop es
mov dl,[bp+2+__bios_disk_write.drive]
mov ch,[bp+2+__bios_disk_write.cyl]
mov dh,[bp+2+__bios_disk_write.head]
mov bx,[bp+2+__bios_disk_write.buffer]
#if 0
mov ax,[bp+2+__bios_disk_write.cyl] ! Bits 10-11 of cylinder, AMI BIOS.
mov cl,#4
sar ax,cl
and al,#$C0
xor dh,al
#endif
mov cl,[bp+2+__bios_disk_write.sect]
and cl,#$3F
mov ax,[bp+2+__bios_disk_write.cyl] ! Bits 8-9 of cylinder.
sar ax,#1
sar ax,#1
and al,#$C0
or cl,al
mov al,[bp+2+__bios_disk_write.length]
mov ah,#$03
int $13
jc read_err2
mov ax,#0
read_err2:
xchg ah,al
xor ah,ah
pop es
pop bp
#endasm
}
#endif
#ifdef L_bios_get_dpt
long
_bios_get_dpt(drive)
{
#asm
push bp
mov bp,sp
push di
push es
mov dl,[bp+2+__bios_get_dpt.drive]
mov ah,#$08
int $13
jnc func_ok
mov cx,ax
mov dx,#-1
func_ok:
mov ax,cx
pop es
pop di
pop bp
#endasm
}
#endif
#ifdef L_bios_disk_reset
_bios_disk_reset(drive)
{
#asm
push bp
mov bp,sp
push di
push es
mov dl,[bp+2+__bios_disk_reset.drive]
mov ah,#$08
int $13
jnc reset_ok
mov cx,ax
mov dx,#-1
reset_ok:
mov ax,cx
pop es
pop di
pop bp
#endasm
}
#endif
#endif
#endif
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