New API

diff --git a/include/supervision.h b/include/supervision.h
index 464c59e05adbf4ec8203e9f0a3c27ef409c99023..492346492addeccecb8e305fd6032a77662536de 100644 (file)
--- a/include/supervision.h
+++ b/include/supervision.h
@@ -105,6 +105,26 @@ extern unsigned char sv_nmi_counter;
 extern unsigned char sv_timer_irq_counter;
 extern unsigned char sv_timer_dma_counter;
 
+/* Masks for joy_read */
+#define JOY_UP_MASK     0x08
+#define JOY_DOWN_MASK   0x04
+#define JOY_LEFT_MASK   0x02
+#define JOY_RIGHT_MASK  0x01
+#define JOY_BTN_1_MASK  0x20
+#define JOY_BTN_2_MASK  0x10
+#define JOY_BTN_3_MASK  0x80
+#define JOY_BTN_4_MASK  0x40
+
+#define JOY_BTN_A_MASK  JOY_BTN_1_MASK
+#define JOY_BTN_B_MASk  JOY_BTN_2_MASK
+#define JOY_START_MASK  JOY_BTN_3_MASK
+#define JOY_SELECT_MASK JOY_BTN_4_MASK
+
+#define JOY_BTN_A(v)    ((v) & JOY_BTN_A_MASK)
+#define JOY_BTN_B(v)    ((v) & JOY_BTN_B_MASK)
+#define JOY_START(v)    ((v) & JOY_START_MASK)
+#define JOY_SELECT(v)   ((v) & JOY_SELECT_MASK)
+
 /* The addresses of the static drivers */
 extern void supervision_stdjoy_joy[]; /* Referred to by joy_static_stddrv[] */