Initial commit for 68020/30/40/60/68881/68882/68851 support.

[rmac] / amode.h

diff --git a/amode.h b/amode.h
index 380b46017d1822167f67670ad810f61acafc8edc..a62a5fa99d9a8986042f4edef85845fa694a46b1 100644 (file)
--- a/amode.h
+++ b/amode.h
@@ -34,6 +34,10 @@
 #define AM_SR        0107
 #define AM_CCR       0110
 #define AM_NONE      0111                              // Nothing
+#define CACHES       0120               // Instruction/Data/Both Caches (IC/DC/BC)
+#define CREG         0121                              // Control registers (see CREGlut in mach.h)
+#define FREG         0122               // FPU registers (fp0-fp7)
+#define FPSCR        0123               // FPU system control registers (fpiar, fpsr, fpcr)
 
 // Addressing-mode masks
 #define M_DREG       0x00000001L               // Dn
@@ -50,7 +54,7 @@
 #define M_IMMED      0x00000800L               // #data
 #define M_ABASE      0x00001000L               // (bd,An,Xn)
 #define M_MEMPOST    0x00002000L               // ([bd,An],Xn,od)
-#define M_MEMPRE     0x00004000L               // ([bc,An,Xn],od)
+#define M_MEMPRE     0x00004000L               // ([bd,An,Xn],od)
 #define M_PCBASE     0x00008000L               // (bd,PC,Xn)
 #define M_PCMPOST    0x00010000L               // ([bd,PC],Xn,od)
 #define M_PCMPRE     0x00020000L               // ([bc,PC,Xn],od)
@@ -58,6 +62,10 @@
 #define M_AM_SR      0x00080000L               // SR
 #define M_AM_CCR     0x00100000L               // CCR
 #define M_AM_NONE    0x00200000L               // (nothing)
+#define M_BITFLD     0x00400000L               // 68020 bitfield
+#define M_CREG       0x00800000L               // Control registers
+#define M_FREG       0x01000000L               // FPn
+#define M_FPSCR      0x02000000L               // fpiar, fpsr, fpcr
 
 // Addr mode categories
 #define C_ALL        0x00000FFFL
@@ -65,6 +73,10 @@
 #define C_MEM        0x00000FFCL
 #define C_CTRL       0x000007E4L
 #define C_ALT        0x000001FFL
+#define C_ALL030     0x0003FFFFL
+#define C_CTRL030    0x0003F7E4L
+#define C_DATA030    0x0003FFFDL
+#define C_MOVES      (M_AIND|M_APOSTINC|M_APREDEC|M_ADISP|M_AINDEXED|M_ABSW|M_ABSL|M_ABASE|M_MEMPRE|M_MEMPOST)
 
 #define C_ALTDATA    (C_DATA&C_ALT)
 #define C_ALTMEM     (C_MEM&C_ALT)
@@ -72,18 +84,50 @@
 #define C_LABEL      (M_ABSW|M_ABSL)
 #define C_NONE       M_AM_NONE
 
+#define C_CREG       (M_AM_USP|M_CREG)
+
 // Scales
 #define TIMES1       00000                             // (empty or *1)
 #define TIMES2       01000                             // *2
 #define TIMES4       02000                             // *4
 #define TIMES8       03000                             // *8
 
+#define M_FC           (M_IMMED|M_DREG|M_CREG)
+#define M_MRN          (M_DREG|M_AREG|M_CREG)
+
+//EA extension word
+#define EXT_D           0x0000                 // Dn
+#define EXT_A           0x8000                 // An
+#define EXT_W           0x0000                 // Index Size Sign-Extended Word
+#define EXT_L           0x0800                 // Index Size Long Word
+#define EXT_TIMES1   0x0000         // Scale factor 1
+#define EXT_TIMES2   0x0200         // Scale factor 2
+#define EXT_TIMES4   0x0400         // Scale factor 4
+#define EXT_TIMES8   0x0600         // Scale factor 8
+#define EXT_FULLWORD 0x0100                    // Use full extension word format
+#define EXT_BS          0x0080                 // Base Register Suppressed
+#define EXT_IS          0x0040                 // Index Operand Suppressed
+#define EXT_BDSIZE0  0x0010                    // Base Displacement Size Null (Suppressed)
+#define EXT_BDSIZEW  0x0020                    // Base Displacement Size Word
+#define EXT_BDSIZEL  0x0030                    // Base Displacement Size Long
+#define EXT_IISPRE0  0x0000                    // Indirect and Indexing Operand - No Memory Indirect Action
+#define EXT_IISPREN  0x0001                    // Indirect and Indexing Operand - Indirect Preindexed with Null Outer Displacement
+#define EXT_IISPREW  0x0002                    // Indirect and Indexing Operand - Indirect Preindexed with Word Outer Displacement
+#define EXT_IISPREL  0x0003                    // Indirect and Indexing Operand - Indirect Preindexed with Long Outer Displacement
+#define EXT_IISPOSN  0x0005                    // Indirect and Indexing Operand - Indirect Postindexed with Null Outer Displacement
+#define EXT_IISPOSW  0x0006                    // Indirect and Indexing Operand - Indirect Postindexed with Word Outer Displacement
+#define EXT_IISPOSL  0x0007                    // Indirect and Indexing Operand - Indirect Postindexed with Long Outer Displacement
+#define EXT_IISNOI0  0x0000                    // Indirect and Indexing Operand - No Memory Indirect Action
+#define EXT_IISNOIN  0x0001                    // Indirect and Indexing Operand - Memory Indirect with Null Outer Displacement
+#define EXT_IISNOIW  0x0002                    // Indirect and Indexing Operand - Memory Indirect with Word Outer Displacement
+#define EXT_IISNOIL  0x0003                    // Indirect and Indexing Operand - Memory Indirect with Long Outer Displacement
+
 #define EXPRSIZE     128                               // Maximum #tokens in an expression
 
 // Addressing mode variables, output of amode()
 extern int nmodes;
 extern int am0, am1;
-extern int a0reg, a1reg;
+extern int a0reg, a1reg, a2reg;
 extern TOKEN a0expr[], a1expr[];
 extern VALUE a0exval, a1exval;
 extern WORD a0exattr, a1exattr;
@@ -93,6 +137,11 @@ extern TOKEN a0oexpr[], a1oexpr[];
 extern VALUE a0oexval, a1oexval;
 extern WORD a0oexattr, a1oexattr;
 extern SYM * a0esym, * a1esym;
+extern VALUE a0bexval, a1bexval;
+extern WORD a0bexattr, a1bexattr;
+extern WORD a0bsize, a1bsize;
+extern TOKEN a0bexpr[], a1bexpr[];
+extern WORD a0extension, a1extension;
 
 // Mnemonic table structure
 #define MNTAB  struct _mntab
@@ -110,6 +159,7 @@ MNTAB {
 // Exported functions
 int amode(int);
 int reglist(WORD *);
-
+int fpu_reglist_left(WORD *);
+int fpu_reglist_right(WORD *);
 #endif // __AMODE_H__