diff options
Diffstat (limited to 'sw/z80/drivers/include/pio.h')
| -rw-r--r-- | sw/z80/drivers/include/pio.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sw/z80/drivers/include/pio.h b/sw/z80/drivers/include/pio.h index a1137e4..e234b05 100644 --- a/sw/z80/drivers/include/pio.h +++ b/sw/z80/drivers/include/pio.h @@ -4,6 +4,9 @@ #include "addresses.h" #include <stdint.h> +// DEBUG +#define PIO_ASM_INTERFACE + // ports #define PIO_A 0 #define PIO_B 1 @@ -12,10 +15,10 @@ #define PIO_REG_DATA 0 #define PIO_REG_CTRL 2 -// #define PIO_REG_DATA_A (PIO_A + PIO_REG_PORT) -// #define PIO_REG_DATA_B 1 (PIO_B + PIO_REG_PORT) -// #define PIO_REG_CTRL_A 2 (PIO_A + PIO_REG_CTRL) -// #define PIO_REG_CTRL_B 3 (PIO_B + PIO_REG_CTRL) +#define PIO_REG_DATA_A (PIO_A | PIO_REG_PORT) +#define PIO_REG_DATA_B 1 (PIO_B | PIO_REG_PORT) +#define PIO_REG_CTRL_A 2 (PIO_A | PIO_REG_CTRL) +#define PIO_REG_CTRL_B 3 (PIO_B | PIO_REG_CTRL) #define PIO_MODE_BYTE_OUT 0 // mode 0 #define PIO_MODE_BYTE_IN 1 // mode 1 |