Move mboot documentation to the doc/ directory

[profile/ivi/syslinux.git] / comboot.inc

diff --git a/comboot.inc b/comboot.inc
index 040bc93..3a9b433 100644 (file)
--- a/comboot.inc
+++ b/comboot.inc
@@ -592,6 +592,7 @@ comapi_dnsresolv:
                mov si,P_BX
                call dns_resolv
                mov P_EAX,eax
+               clc
                ret
 %else
 comapi_dnsresolv equ comapi_err
@@ -603,7 +604,7 @@ comapi_dnsresolv equ comapi_err
 ; INT 22h AX=0011h     Maximum number of shuffle descriptors
 ;
 comapi_maxshuffle:
-               mov P_CX,(2*trackbufsize)/12
+               mov P_CX,trackbufsize/12
                ret
 
 ;
@@ -898,6 +899,20 @@ comapi_shufflerm:
                stc
                ret
 
+;
+; INT 22h AX=001Ch     Get pointer to auxillary data vector
+;
+comapi_getadv:
+               mov P_ES,ds
+               mov P_BX,adv0.data
+               mov P_CX,ADV_LEN
+               ret
+
+;
+; INT 22h AX=001Dh     Write auxillary data vector
+;
+comapi_writeadv        equ adv_write
+
                section .data
 
 %macro         int21 2
@@ -948,6 +963,8 @@ int22_table:
                dw comapi_readdisk      ; 0019 read disk
                dw comapi_shufflepm     ; 001A cleanup, shuffle and boot to pm
                dw comapi_shufflerm     ; 001B cleanup, shuffle and boot to rm
+               dw comapi_getadv        ; 001C get pointer to ADV
+               dw comapi_writeadv      ; 001D write ADV to disk
 int22_count    equ ($-int22_table)/2
 
 APIKeyWait     db 0