WebSVN – SvarDOS – Diff – //svarcom/trunk/rmod.asm

 int 0x21        ; segment of the original PSP is in BX now
 ; set DS to the original PSP
 mov ds, bx
-; load the pointer to the JFT and save it on stack
+; load the pointer to the JFT, save it on stack, and set DS to the JFT seg
 mov bx, [0x34] ; offset
-mov dx, [0x36] ; seg
+mov ds, [0x36] ; seg
-push dx
+push ds
 push bx
-; switch DS to the JFT seg
-mov ds, dx
 ; save the original process stdin and stdout on stack
 mov dx, [bx]   ; original stdin and stdout (from the JFT)
 push dx
 ; overwrite the original process stdin and stdout with stderr, in case stdout
 ; or stdin was redirected.
 mov dl, [bx+2]   ; the process stderr (3rd entry of the JFT in original PSP)
-mov dh, dl
+mov dh, dl       ; dup DL so I can overwrite stdin and stdout with one write
 mov [bx], dx
 ; set DS to myself so I can reach (and display) my messages
 push cs
 pop ds

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