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typedef void (*ptr_func_t)();
struct smd_header {
char console_name[16];
char copyright[16];
char domestic_name[48];
char international_name[48];
char version[14];
unsigned short checksum;
char io_support[16];
unsigned long rom_start;
unsigned long rom_end;
unsigned long ram_start;
unsigned long ram_end;
unsigned long sram_enabled;
unsigned long unused1;
unsigned long sram_start;
unsigned long sram_end;
unsigned long unused2;
unsigned long unused3;
char notes[40];
char country_codes[16];
};
extern int main(void);
static __attribute__((interrupt)) void __start(void);
static __attribute__((interrupt)) void HSYNC_handler(void);
static __attribute__((interrupt)) void VSYNC_handler(void);
static __attribute__((interrupt)) void CPUException_handler(void);
extern unsigned __stacktop;
extern unsigned __rom_start;
extern unsigned __rom_end;
__attribute__((section(".stack"), used)) unsigned *__stack_init = &__stacktop;
__attribute__((section(".vectors"), used)) ptr_func_t __isr_vectors[] = {
__start,
CPUException_handler,
CPUException_handler,
CPUException_handler,
CPUException_handler,
CPUException_handler,
CPUException_handler,
CPUException_handler,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
HSYNC_handler,
__start,
VSYNC_handler,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
__start,
};
__attribute__((section(".smd_header"), used)) struct smd_header __smd_header = {
.console_name = "SEGA MEGA DRIVE ",
.copyright = "BIGEVILCORP. ",
.domestic_name = "HELLO WORLD ",
.international_name = "HELLO WORLD ",
.version = "GM XXXXXXXX-XX",
.checksum = 0x0000,
.io_support = "J ",
.rom_start = (unsigned long)&__rom_start,
.rom_end = (unsigned long)&__rom_end-1,
.ram_start = 0xff0000,
.ram_end = 0xffffff,
.sram_enabled = 0x00000000,
.unused1 = 0x00000000,
.sram_start = 0x00000000,
.sram_end = 0x00000000,
.unused2 = 0x00000000,
.unused3 = 0x00000000,
.notes = " ",
.country_codes = " E ",
};
static void __start(void)
{
main();
}
static void HSYNC_handler(void) {}
static void VSYNC_handler(void) {}
static void CPUException_handler(void)
{
asm inline volatile (" stop #2700");
}
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