adjustments for CPU core changes

[picodrive.git] / cpu / Cyclone / config.h

diff --git a/cpu/Cyclone/config.h b/cpu/Cyclone/config.h
index 0fc96cb..6fc6571 100644 (file)
--- a/cpu/Cyclone/config.h
+++ b/cpu/Cyclone/config.h
@@ -45,7 +45,7 @@
  * MEMHANDLERS_NEED_PC updates .pc context field with PC value effective at the time\r
  * when memhandler was called (opcode address + unknown amount).\r
  * MEMHANDLERS_NEED_PREV_PC updates .prev_pc context field to currently executed\r
- * opcode address.\r
+ * opcode address + 2.\r
  * Note that .pc and .prev_pc values are always real pointers to memory, so you must\r
  * subtract .membase to get M68k PC value.\r
  * Warning: updating PC in memhandlers is dangerous, as Cyclone may internally\r
@@ -107,6 +107,19 @@
  */\r
 #define USE_CHECKPC_CALLBACK      1\r
 \r
+/*\r
+ * This determines if checkpc() should be called after jumps when 8 and 16 bit\r
+ * displacement values were used.\r
+ */\r
+#define USE_CHECKPC_OFFSETBITS_16 1\r
+#define USE_CHECKPC_OFFSETBITS_8  0\r
+\r
+/*\r
+ * Call checkpc() after DBcc jumps (which use 16bit displacement). Cyclone prior to\r
+ * 0.0087 never did that.\r
+ */\r
+#define USE_CHECKPC_DBRA          0\r
+\r
 /*\r
  * When this option is enabled Cyclone will do two word writes instead of one\r
  * long write when handling MOVE.L with pre-decrementing destination, as described in\r