V86 returns to caller

2022-09-17 16:31:41 -05:00
parent 8bfcd4fd19
commit 1545a9a790
5 changed files with 8 additions and 6 deletions
--- a/v86.nasm
+++ b/v86.nasm
@@ -71,6 +71,7 @@ jmp $
 global enter_v86
 enter_v86:
 mov ebp, esp               ; save stack pointer
+mov dword [0x20004], ebp   ; tss ESP0
 push dword  [ebp+4]        ; ss
 push dword  [ebp+8]        ; esp
 pushfd                     ; eflags