0.3.4/doc/hello_mips.c

/*  MIPS Hello World for GXemul  */

/*  Note: The cast to a signed int causes the address to be sign-extended
    correctly to 0xffffffffb00000xx when compiled in 64-bit mode  */
#define PUTCHAR_ADDRESS         ((signed int)0xb0000000)
#define HALT_ADDRESS            ((signed int)0xb0000010)

void printchar(char ch)
{
        *((volatile unsigned char *) PUTCHAR_ADDRESS) = ch;
}

void halt(void)
{
        *((volatile unsigned char *) HALT_ADDRESS) = 0;
}

void printstr(char *s)
{
        while (*s)
                printchar(*s++);
}

void f(void)
{
        printstr("Hello world\n");
        halt();
}
1	/* MIPS Hello World for GXemul */
2
3	/* Note: The cast to a signed int causes the address to be sign-extended
4	correctly to 0xffffffffb00000xx when compiled in 64-bit mode */
5	#define PUTCHAR_ADDRESS ((signed int)0xb0000000)
6	#define HALT_ADDRESS ((signed int)0xb0000010)
7
8	void printchar(char ch)
9	{
10	((volatile unsigned char ) PUTCHAR_ADDRESS) = ch;
11	}
12
13	void halt(void)
14	{
15	((volatile unsigned char ) HALT_ADDRESS) = 0;
16	}
17
18	void printstr(char *s)
19	{
20	while (*s)
21	printchar(*s++);
22	}
23
24	void f(void)
25	{
26	printstr("Hello world\n");
27	halt();
28	}