X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=os9x_65c816_def.h;fp=os9x_65c816_def.h;h=eae9730d4b9d818cd128d4a0f4496c92f477fcef;hb=3ddd6d5ea2811b783bf349c8947cf1bbaaf3c8b9;hp=0000000000000000000000000000000000000000;hpb=216db9a70039a71abbbe9303d4560a9a93e639a5;p=drnoksnes

diff --git a/os9x_65c816_def.h b/os9x_65c816_def.h
new file mode 100644
index 0000000..eae9730
--- /dev/null
+++ b/os9x_65c816_def.h
@@ -0,0 +1,76 @@
+//#define __PALMOS__
+
+//#define __TESTING__
+
+#define MAP_LAST	12
+
+#define regA		R11	//format : 0xhhll0000 or 0xll000000
+#define rstatus		R4      //format : 0xff800000
+#define regDBank	R4	//format : 0x000000ll
+#define regX		R5	//format : 0xhhll0000 or 0xll000000
+#define regY		R6	//format : 0xhhll0000 or 0xll000000
+
+#define rpc		R7	//32bits address
+#define regD		R8	//format : 0xhhll0000
+#define regPBank	R8	//format : 0x000000ll
+#define regCycles	R9	//32bits counter
+#define regS		R10	//format : 0x0000hhll
+
+#define rscratch	R0	//format : 0xhhll0000 if data and calculation or return of S9XREADBYTE	or WORD
+#define regopcode	R0	//format : 0x000000ll
+#define rscratch2	R1	//format : 0xhhll for calculation and value
+#define rscratch3	R2	//
+#define rscratch4	R3	//??????
+
+
+#define rscratch5	R5	//??????
+#define rscratch6	R6	//??????
+#define rscratch7	R8	//??????
+#define rscratch8	R9	//??????
+#define rscratch9	R10	//??????
+
+#define regpcbase	R12	//32bits address
+
+#define regCPUvar       R14
+
+
+
+//not used
+//R13	//Pointer 32 bit on a struct.
+
+//R15 = pc (sic!)
+
+
+/*#define Carry       1
+#define Zero        2
+#define IRQ         4
+#define Decimal     8
+#define IndexFlag  16
+#define MemoryFlag 32
+#define Overflow   64
+#define Negative  128
+#define Emulation 256*/
+
+#define STATUS_SHIFTER		24
+#define MASK_EMUL		(1<<(STATUS_SHIFTER-1))
+#define MASK_SHIFTER_CARRY	(STATUS_SHIFTER+1)
+#define	MASK_CARRY		(1<<(STATUS_SHIFTER))  //0
+#define	MASK_ZERO		(2<<(STATUS_SHIFTER))  //1
+#define MASK_IRQ		(4<<(STATUS_SHIFTER))  //2
+#define MASK_DECIMAL		(8<<(STATUS_SHIFTER))  //3
+#define	MASK_INDEX		(16<<(STATUS_SHIFTER)) //4  //1
+#define	MASK_MEM		(32<<(STATUS_SHIFTER)) //5  //2
+#define	MASK_OVERFLOW		(64<<(STATUS_SHIFTER)) //6  //4
+#define	MASK_NEG		(128<<(STATUS_SHIFTER))//7  //8
+
+#define ONE_CYCLE 6
+#define SLOW_ONE_CYCLE 8
+
+#define	NMI_FLAG	    (1 << 7)
+#define IRQ_PENDING_FLAG    (1 << 11)
+#define SCAN_KEYS_FLAG	    (1 << 4)
+
+
+#define MEMMAP_BLOCK_SIZE (0x1000)
+#define MEMMAP_SHIFT 12
+#define MEMMAP_MASK (0xFFF)