diff options
| -rw-r--r-- | include/hw/misc/mos6522.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/include/hw/misc/mos6522.h b/include/hw/misc/mos6522.h index fc95d22..be5c90d 100644 --- a/include/hw/misc/mos6522.h +++ b/include/hw/misc/mos6522.h @@ -41,13 +41,21 @@ #define IER_SET 0x80 /* set bits in IER */ #define IER_CLR 0 /* clear bits in IER */ -#define CA2_INT 0x01 -#define CA1_INT 0x02 -#define SR_INT 0x04 /* Shift register full/empty */ -#define CB2_INT 0x08 -#define CB1_INT 0x10 -#define T2_INT 0x20 /* Timer 2 interrupt */ -#define T1_INT 0x40 /* Timer 1 interrupt */ +#define CA2_INT_BIT 0 +#define CA1_INT_BIT 1 +#define SR_INT_BIT 2 /* Shift register full/empty */ +#define CB2_INT_BIT 3 +#define CB1_INT_BIT 4 +#define T2_INT_BIT 5 /* Timer 2 interrupt */ +#define T1_INT_BIT 6 /* Timer 1 interrupt */ + +#define CA2_INT BIT(CA2_INT_BIT) +#define CA1_INT BIT(CA1_INT_BIT) +#define SR_INT BIT(SR_INT_BIT) +#define CB2_INT BIT(CB2_INT_BIT) +#define CB1_INT BIT(CB1_INT_BIT) +#define T2_INT BIT(T2_INT_BIT) +#define T1_INT BIT(T1_INT_BIT) /* Bits in ACR */ #define T1MODE 0xc0 /* Timer 1 mode */ |