Macintosh-SW/powerpc-ofw-boot
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game of life

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This commit is contained in:
aramya 2022-01-01 21:08:11 +01:00
parent 64341435f0
commit 60480adc08
2 changed files with 4 additions and 22 deletions
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25
entry/boot.c
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@ -1,6 +1,5 @@
#include "boot.h"
void __stack_chk_fail_local(void){}
void get_io_type(void)
{
if (*(unsigned char*)__VRAM__BEIGE == beige) IO_TYPE = beige;
@ -47,8 +46,8 @@ void main(void)
{
if (IO_TYPE == mac99)
{
random = (*p_bios );
if (!(random%3)) universe[i][j] = 1;
random = (*p_timer + *p_bios);
if (!(random%7)) universe[i][j] = 1;
else universe[i][j] = 0;
p_bios++;
}
@ -63,7 +62,8 @@ void main(void)
for(;;)
{
init();
memcpy(p_vram, p_vram+511, 400000);
memcpy(p_vram, p_vram+255, 400000);
p_vram += 400000;
for (i = 0; i < N; i++) for (j = 0; j < N; j++)
{
@ -103,7 +103,6 @@ void main(void)
}
for (i = 0; i < N; i++) for (j = 0; j < N; j++) universe[i][j] = universe2[i][j];
}
}
@ -124,22 +123,6 @@ void fillscreen(unsigned int* addr, unsigned char a, unsigned char b, unsigned c
}
}
void colorscreen(unsigned int* addr, unsigned char a, unsigned char b, unsigned char c, int n)
{
unsigned char* ptr = addr;
for (unsigned int i = 0; i<n; i++)
{
//24-bit VGA
*ptr = a;
ptr++;
*ptr = b;
ptr++;
ptr++;
*ptr = 0;
ptr++;
}
}
void memcpy(unsigned char* dest, unsigned char* src, int n)
{
unsigned char* destination = dest;

1
entry/boot.h
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@ -23,5 +23,4 @@ void fillscreen(unsigned int* addr, unsigned char a, unsigned char b, unsigned c
void memcpy(unsigned char* dest, unsigned char* src, int n);
unsigned char u8_extract_bit(unsigned char n, unsigned char bit);
unsigned char u32_extract_bit(unsigned int n, unsigned char bit);
void colorscreen(unsigned int* addr, unsigned char a, unsigned char b, unsigned char c, int n);