as of 2013-12-062013-12-06

1 files changed, 2 insertions, 5 deletions

diff --git a/printer.c b/printer.c
index 6eab61e..60e96e3 100644
--- a/printer.c
+++ b/printer.c
@@ -15,7 +15,6 @@ int prt_opened;
 

 int prt_open(int * prt_flag) {

   unsigned char imr;

-  unsigned char pcr;

 

   disable();

 

@@ -48,7 +47,6 @@ int prt_open(int * prt_flag) {
 }

 

 int prt_write(char far *buffer, int far *length) {

-  unsigned char pcr;

 

   disable();

   // check that prt isn't busy

@@ -89,7 +87,6 @@ int prt_write(char far *buffer, int far *length) {
 }

 

 int prt_close() {

-  unsigned char pcr;

   unsigned char imr;

 

   disable();

@@ -114,8 +111,8 @@ int prt_close() {
 void interrupt prt_int() {

   unsigned char pcr;

   int *lst_stk;

-  float temp;

 

+  disable();

   lst_stk = _BP;

 

   // if no more char to write

@@ -131,7 +128,6 @@ void interrupt prt_int() {
 	*(prt.event_flag) = 1;

 

 	// call io-complete

-	// TODO: the book says (pg 86) that there should be stuff passed to io-complete

 	IO_complete(PRT, lst_stk);

 

 	// send end of interrupt signal

@@ -153,4 +149,5 @@ void interrupt prt_int() {
 

   // send EOI

   outportb(0x20, 0x20);

+  enable();

 }
\ No newline at end of file