-void
-psw_write_cy(int cy)
-{
- u_int8_t psw = memory_read8(INT_MEM_ID, _PSW_);
-
- if (cy)
- psw |= 0x80; /* Set */
- else
- psw &= ~0x80; /* Clear */
-
- memory_write8(INT_MEM_ID, _PSW_, psw); /* Save updated value */
-}
-
-void
-psw_set_cy(void)
-{
- u_int8_t psw = memory_read8(INT_MEM_ID, _PSW_);
-
- psw |= 0x80;
-
- memory_write8(INT_MEM_ID, _PSW_, psw); /* Save updated value */
-}
-
-void
-psw_clr_cy(void)
-{
- u_int8_t psw = memory_read8(INT_MEM_ID, _PSW_);
-
- psw &= ~0x80;
-
- memory_write8(INT_MEM_ID, _PSW_, psw); /* Save updated value */
-}
-
-/* Returns 0 or 1 */
-int
-psw_read_cy(void)
-{
- return memory_read8(INT_MEM_ID, _PSW_) >> 7;
-}
-