diff options
Diffstat (limited to 'sw/z80/arch/include')
-rw-r--r-- | sw/z80/arch/include/addresses.h | 15 | ||||
-rw-r--r-- | sw/z80/arch/include/sleep.h | 14 |
2 files changed, 29 insertions, 0 deletions
diff --git a/sw/z80/arch/include/addresses.h b/sw/z80/arch/include/addresses.h new file mode 100644 index 0000000..32f1997 --- /dev/null +++ b/sw/z80/arch/include/addresses.h @@ -0,0 +1,15 @@ +#ifndef __ADDRESSES_H__ +#define __ADDRESSES_H__ + +#define ADDR_DEV_ROM_L 0x0000 +#define ADDR_DEV_ROM_H 0x2000 + +#define ADDR_DEV_PIO 0x0010 +#define ADDR_DEV_CTC 0x0020 +#define ADDR_DEV_USART 0x0030 + +#define ADDR_DEV_MMU + +#define ADDR_DEV_RAM 0x8000 + +#endif diff --git a/sw/z80/arch/include/sleep.h b/sw/z80/arch/include/sleep.h new file mode 100644 index 0000000..bd4214b --- /dev/null +++ b/sw/z80/arch/include/sleep.h @@ -0,0 +1,14 @@ +#ifndef __SLEEP_H__ +#define __SLEEP_H__ + +#ifndef F_CPU +#error undefined CPU clock speed +#endif + +#define SLEEP_UNIT ((F_CPU/4)/2) + +#include <stdint.h> + +void usleep(uint16_t microseconds); + +#endif // __SLEEP_H__
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