Preserve si and di for strategy handlers.

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@535 6ac86273-5f31-0410-b378-82cca8765d1b
2003-03-12 06:36:00 +00:00 · 2003-03-12 06:36:00 +00:00 · ec8b97be38
commit ec8b97be38
parent 4dcb3f332c
1 changed files with 7 additions and 0 deletions
--- a/kernel/execrh.asm
+++ b/kernel/execrh.asm
@ -57,8 +57,15 @@ segment	_TEXT
                mov     ax, [si+6]      ; construct strategy address
                mov     [bp+8], ax    

+                push si                 ; the bloody fucking RTSND.DOS 
+                push di                 ; driver destroys SI,DI (tom 14.2.03)
+
                call    far[bp+8]       ; call far the strategy

+                pop di 
+                pop si
+                                
+
 		mov     ax,[si+8]       ; construct 'interrupt' address
                mov     [bp+8],ax       ; construct interrupt address 
                call    far[bp+8]       ; call far the interrupt