rdos/rom/loaddrv.asm

44 lines
659 B
NASM

cpu 8086
org 0x0000
db 0x55, 0xAA
db 0x00
jmp init
nop
times (0x18 - ($-$$)) db 0
dw 0
dw pnp
pnp:
db "$PnP"
.version:
db 1 ; version 1
.length:
db 2 ; 2 * 16 length
dw 0 ; offset of next header
db 0
.checksum:
db 0 ; checksum (filled by fix-rom)
dd 0 ; device identifier
dw 0 ; manufacturer string
dw name ; product name string
db 0,0,0 ; device type string
db 0x20 ; device indicator, bit for "read cacheable" set
dw 0 ; boot connection vector
dw 0 ; boot disconnect vector
dw 0 ; bootstrap entry point
dw 0 ; reserved
dw 0
name:
db "rdos drv loader"
init:
mov ax, 0x0e37
xor bx, bx
int 0x10
retf
align 512