/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2007, Christof Pitter
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package vga;
import com.jopdesign.sys.Const;
import com.jopdesign.sys.Native;
//
// Clock.java
//
public class ClockVga {
public static void main( String s[] ) {
int addr = 0;
int offset = 0x28000;
boolean j = true;
Native.wr(0, Const.IO_WD); // make WD happy
Native.wr(1, Const.IO_WD);
Native.wr(0, Const.IO_WD);
Native.wrMem(0x11111111, 0x28000); // first VGA Address
Native.wrMem(0x11111111, 0x3ffff); // last VGA Address
for (int i=0x0; i<0x18000; i++)
{
addr = i + offset;
if( i <= 1024)
{
Native.wrMem(0x22222222, addr); // rot
}
else if ( (i > 1024) && (i <= 2048) )
{
Native.wrMem(0xffffffff, addr); // gelb
}
else if ( (i > 2048) && (i <= 3072) )
{
Native.wrMem(0x33333333, addr); // hellrot
}
else if ( (i > 97280) && (i <= 98304) )
{
Native.wrMem(0xffffffff, addr); // gelb
}
else
{
Native.wrMem(0xCCCCCCCC, addr); // gr�n
//Native.wrMem(0x00000000, addr); // schwarz
}
/*{
if (j == true)
{
Native.wrMem(0x33333333, addr); // orange
j = false;
}
else
{
Native.wrMem(0xCCCCCCCC, addr); // gr�n
j = true;
}
}
else
{
if (j == true)
{
Native.wrMem(0x22222222, addr); // rot
j = false;
}
else
{
Native.wrMem(0xffffffff, addr); // gelb
j = true;
}
}*/
}
time();
}
static void time() {
int next;
int h, m, s, ms;
int startVga;
int stopVga;
int test;
int start;
int addr_line = 0;
int offset_line = 0x29900;
start = 0x28000;
h = m = s = ms = 0;
next = 0;
s = -1;
for (;;) {
++ms;
if (ms==1000) {
ms = 0;
++s;
if (s==60) {
s = 0;
++m;
}
if (m==60) {
m = 0;
++h;
}
if (h==24) h = 0;
print_02d(h);
print_char(':');
print_02d(m);
print_char(':');
print_02d(s);
print_char(' ');
print_char('S');
print_char('T');
print_char('A');
print_char('R');
print_char('T');
print_char(':');
print_char(' ');
startVga = Native.rdMem(start);
//print_02d(startVga);
print_hex(startVga);
print_char(' ');
print_char('S');
print_char('T');
print_char('O');
print_char('P');
print_char(':');
print_char(' ');
stopVga = Native.rdMem(0x3ffff);
//print_02d(stopVga);
print_hex(stopVga);
test = (s % 3);
print_char(' ');
print_char('E');
print_char('R');
print_char('G');
print_char(':');
print_char(' ');
print_02d(test);
print_char('\r');
/* for (int j=0; j<2048; j++)
{
addr_line = j + offset_line;
switch (test)
{
case 0:
if((j%128)<=42)
{
Native.wrMem(0x22222222, addr_line); // rot
}
else
{
Native.wrMem(0xCCCCCCCC, addr_line); // gr�n
}
case 1:
if( ((j%128)>42) && ((j%128)<=84) )
{
Native.wrMem(0xffffffff, addr_line); // gelb
}
else
{
Native.wrMem(0xCCCCCCCC, addr_line); // gr�n
}
case 2:
if( ((j%128)>84) && ((j%128)<=128) )
{
Native.wrMem(0xffffffff, addr_line); // gelb
}
else
{
Native.wrMem(0xCCCCCCCC, addr_line); // gr�n
}
// default:
// Native.wrMem(0x00000000, addr_line); // schwarz
}
}*/
Native.wr(s & 1, Const.IO_WD);
}
//Native.wr(~s & 1, Const.IO_WD);
//Native.wr(s & 1, Const.IO_WD);
next = waitForNextInterval(next);
}
}
static int waitForNextInterval(int next) {
final int INTERVAL = 1000; // one ms
if (next==0) {
next = Native.rd(Const.IO_US_CNT)+INTERVAL;
} else {
next += INTERVAL;
}
while (next-Native.rd(Const.IO_US_CNT) >= 0)
;
return next;
}
static void print_02d(int i) {
int j;
for (j=0;i>9;++j) i-= 10;
print_char(j+'0');
print_char(i+'0');
}
/*
static void print_04d(int i) {
if (i<0) {
print_char('-');
i = -i;
}
int j, k, l;
for (j=0;i>999;++j) i-= 1000;
for (k=0;i>99;++k) i-= 100;
for (l=0;i>9;++l) i-= 10;
print_char(j+'0');
print_char(k+'0');
print_char(l+'0');
print_char(i+'0');
}
static void print_06d(int i) {
if (i<0) {
print_char('-');
i = -i;
}
int j;
for (j=0;i>99999;++j) i-= 100000;
print_char(j+'0');
for (j=0;i>9999;++j) i-= 10000;
print_char(j+'0');
for (j=0;i>999;++j) i-= 1000;
print_char(j+'0');
for (j=0;i>99;++j) i-= 100;
print_char(j+'0');
for (j=0;i>9;++j) i-= 10;
print_char(j+'0');
print_char(i+'0');
}*/
static void print_hex(int i) {
int j, k;
for (j=0; j<8; ++j) {
k = i>>>((7-j)<<2);
k &= 0x0f;
k = k<10 ? k+'0' : k-10+'a';
print_char(k);
}
}
static void wait_serial() {
while ((Native.rd(Const.IO_STATUS)&1)==0) ;
}
static void print_char(int i) {
System.out.print((char) i);
/*
wait_serial();
Native.wr(i, Const.IO_UART);
*/
}
}