From 2a1c0925f8bddf53325d3b8c0baa5273662e9acf Mon Sep 17 00:00:00 2001
From: "Israel B. Sant'Anna" <ibsa14@inf.ufpr.br>
Date: Thu, 11 Jun 2015 14:01:00 -0300
Subject: [PATCH] Put sign on converted hexadecimals
Signed-off-by: Israel B. Sant'Anna <ibsa14@inf.ufpr.br>
---
cMIPS/tests/uart.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/cMIPS/tests/uart.c b/cMIPS/tests/uart.c
index 850000b..05455d5 100644
--- a/cMIPS/tests/uart.c
+++ b/cMIPS/tests/uart.c
@@ -92,6 +92,8 @@ int main(){
}
c = getc();
}
+ //If it's a negative hex make it a negative integer as well
+ n = 0x8000&n ? (int)(0x7FFF&n)-0x8000 : n;
print(n);
//while(!Putc(c)); // Wait till there's space on queue
}
@@ -114,15 +116,12 @@ void initUd(){
char getc(){
char c;
if(Ud.nrx > 0){
- // print(1);
- // print(Ud.nrx);
+ disableInterr();
c = Ud.rx_q[Ud.rx_hd];
Ud.rx_hd = (Ud.rx_hd+1)%16;
- disableInterr();
Ud.nrx--;
enableInterr();
}else{
- //print(2);
c = EOF;
}
return c;
@@ -136,9 +135,9 @@ int Putc(char c){
}
if(Ud.ntx > 0){
+ disableInterr();
Ud.tx_q[Ud.tx_tl] = c;
Ud.tx_tl = (Ud.tx_tl+1)%16;
- disableInterr();
Ud.ntx--;
enableInterr();
sent = 1;
--
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