//
-// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
+// RMAC - Reboot's Macro Assembler for all Atari computers
// AMODE.H - Addressing Modes
-// Copyright (C) 199x Landon Dyer, 2017 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2018 Reboot and Friends
// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
// Source utilised with the kind permission of Landon Dyer
//
#include "rmac.h"
// 68000 and 68020 addressing modes
-#define DREG 000 // Dn
-#define AREG 010 // An
-#define AIND 020 // (An)
-#define APOSTINC 030 // (An)+
-#define APREDEC 040 // -(An)
-#define ADISP 050 // (d16,An) d16(An)
-#define AINDEXED 060 // (d8,An,Xn) d8(An,Xn)
-#define ABSW 070 // xxx.W
-#define ABSL 071 // xxx or xxx.L
-#define PCDISP 072 // (d16,PC) d16(PC)
-#define PCINDEXED 073 // (d16,PC,Xn) d16(PC,Xn)
-#define IMMED 074 // #data
-#define ABASE 0100 // (bd,An,Xn)
-#define MEMPOST 0101 // ([bd,An],Xn,od)
-#define MEMPRE 0102 // ([bc,An,Xn],od)
-#define PCBASE 0103 // (bd,PC,Xn)
-#define PCMPOST 0104 // ([bd,PC],Xn,od)
-#define PCMPRE 0105 // ([bc,PC,Xn],od)
+#define DREG 000 // Dn
+#define AREG 010 // An
+#define AIND 020 // (An)
+#define DINDW 0112 // (Dn.w)
+#define DINDL 0113 // (Dn.l)
+#define APOSTINC 030 // (An)+
+#define APREDEC 040 // -(An)
+#define ADISP 050 // (d16,An) d16(An)
+#define AINDEXED 060 // (d8,An,Xn) d8(An,Xn)
+#define ABSW 070 // xxx.W
+#define ABSL 071 // xxx or xxx.L
+#define PCDISP 072 // (d16,PC) d16(PC)
+#define PCINDEXED 073 // (d16,PC,Xn) d16(PC,Xn)
+#define IMMED 074 // #data
+#define ABASE 0100 // (bd,An,Xn)
+#define MEMPOST 0101 // ([bd,An],Xn,od)
+#define MEMPRE 0102 // ([bc,An,Xn],od)
+#define PCBASE 0103 // (bd,PC,Xn)
+#define PCMPOST 0104 // ([bd,PC],Xn,od)
+#define PCMPRE 0105 // ([bc,PC,Xn],od)
#define AM_USP 0106
#define AM_SR 0107
#define AM_CCR 0110
-#define AM_NONE 0111 // Nothing
+#define AM_NONE 0111 // Nothing
+#define CACHES 0120 // Instruction/Data/Both Caches (IC/DC/BC)
+#define CREG 0121 // Control registers (see CREGlut in mach.c)
+#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
-#define M_AREG 0x00000002L // An
-#define M_AIND 0x00000004L // (An)
-#define M_APOSTINC 0x00000008L // (An)+
-#define M_APREDEC 0x00000010L // -(An)
-#define M_ADISP 0x00000020L // (d16,An) d16(An)
-#define M_AINDEXED 0x00000040L // (d8,An,Xn) d8(An,Xn)
-#define M_ABSW 0x00000080L // xxx.W
-#define M_ABSL 0x00000100L // xxx or xxx.L
-#define M_PCDISP 0x00000200L // (d16,PC) d16(PC)
-#define M_PCINDEXED 0x00000400L // (d16,PC,Xn) d16(PC,Xn)
-#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_PCBASE 0x00008000L // (bd,PC,Xn)
-#define M_PCMPOST 0x00010000L // ([bd,PC],Xn,od)
-#define M_PCMPRE 0x00020000L // ([bc,PC,Xn],od)
-#define M_AM_USP 0x00040000L // USP
-#define M_AM_SR 0x00080000L // SR
-#define M_AM_CCR 0x00100000L // CCR
-#define M_AM_NONE 0x00200000L // (nothing)
+#define M_DREG 0x00000001L // Dn
+#define M_AREG 0x00000002L // An
+#define M_AIND 0x00000004L // (An)
+#define M_APOSTINC 0x00000008L // (An)+
+#define M_APREDEC 0x00000010L // -(An)
+#define M_ADISP 0x00000020L // (d16,An) d16(An)
+#define M_AINDEXED 0x00000040L // (d8,An,Xn) d8(An,Xn)
+#define M_ABSW 0x00000080L // xxx.W
+#define M_ABSL 0x00000100L // xxx or xxx.L
+#define M_PCDISP 0x00000200L // (d16,PC) d16(PC)
+#define M_PCINDEXED 0x00000400L // (d16,PC,Xn) d16(PC,Xn)
+#define M_IMMED 0x00000800L // #data
+#define M_ABASE 0x00001000L // (bd,An,Xn)
+#define M_MEMPOST 0x00002000L // ([bd,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)
+#define M_AM_USP 0x00040000L // USP
+#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
+#define M_CACHE40 0x04000000L // 68040 cache registers (IC40,DC40,BC40)
// Addr mode categories
#define C_ALL 0x00000FFFL
#define C_MEM 0x00000FFCL
#define C_CTRL 0x000007E4L
#define C_ALT 0x000001FFL
+#define C_ALL030 0x0003FFFFL
+#define C_FPU030 0x0003FFECL /* (An), #<data>, (An)+, (d16,An), (d16,PC), (d8, An, Xn), (d8, PC, Xn), (bd, An, Xn), An(bd, PC, Xn), ([bd, An, Xn], od), An([bd, PC, Xn], od), ([bd, An], Xn, od), An([bd, PC], Xn, od) */
+#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_BF1 (M_DREG | M_AIND | M_AINDEXED | M_ADISP | M_ABSW | M_ABSL | M_ABASE | M_MEMPOST | M_MEMPRE)
+#define C_BF2 (C_BF1 | M_PCDISP | M_PCINDEXED | M_PCBASE | M_PCMPOST | M_PCMPRE)
+#define C_PMOVE (M_AIND | 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)
-#define C_ALTCTRL (C_CTRL&C_ALT)
-#define C_LABEL (M_ABSW|M_ABSL)
+#define C_ALTDATA (C_DATA & C_ALT)
+#define C_ALTMEM (C_MEM & C_ALT)
+#define C_ALTCTRL (C_CTRL & C_ALT)
+#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 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 EXPRSIZE 128 // Maximum #tokens in an expression
+// Indirect and Indexing Operands
+#define EXT_IISPRE0 0x0000 // No Memory Indirect Action
+#define EXT_IISPREN 0x0001 // Indirect Preindexed with Null Outer Displacement
+#define EXT_IISPREW 0x0002 // Indirect Preindexed with Word Outer Displacement
+#define EXT_IISPREL 0x0003 // Indirect Preindexed with Long Outer Displacement
+#define EXT_IISPOSN 0x0005 // Indirect Postindexed with Null Outer Displacement
+#define EXT_IISPOSW 0x0006 // Indirect Postindexed with Word Outer Displacement
+#define EXT_IISPOSL 0x0007 // Indirect Postindexed with Long Outer Displacement
+#define EXT_IISNOI0 0x0000 // No Memory Indirect Action
+#define EXT_IISNOIN 0x0001 // Memory Indirect with Null Outer Displacement
+#define EXT_IISNOIW 0x0002 // Memory Indirect with Word Outer Displacement
+#define EXT_IISNOIL 0x0003 // 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 uint64_t a0exval, a1exval;
extern WORD a0exattr, a1exattr;
extern int a0ixreg, a1ixreg;
extern int a0ixsiz, a1ixsiz;
extern TOKEN a0oexpr[], a1oexpr[];
-extern VALUE a0oexval, a1oexval;
+extern uint64_t a0oexval, a1oexval;
extern WORD a0oexattr, a1oexattr;
extern SYM * a0esym, * a1esym;
-
-// Mnemonic table structure
-#define MNTAB struct _mntab
-MNTAB {
- WORD mnattr; // Attributes (CGSPECIAL, SIZN, ...)
- LONG mn0, mn1; // Addressing modes
- WORD mninst; // Instruction mask
- WORD mncont; // Continuation (or -1)
- int (*mnfunc)(WORD, WORD); // Mnemonic builder
-};
+extern uint64_t a0bexval, a1bexval;
+extern WORD a0bexattr, a1bexattr;
+extern WORD a0bsize, a1bsize;
+extern TOKEN a0bexpr[], a1bexpr[];
+extern WORD a0extension, a1extension;
+extern WORD mulmode;
+extern int bfparam1;
+extern int bfparam2;
+extern int bfval1;
+extern int bfval2;
+extern uint64_t bf0exval;
// mnattr:
-#define CGSPECIAL 0x8000 // Special (don't parse addr modes)
+#define CGSPECIAL 0x8000 // Special (don't parse addr modes)
-// Prototypes
+// Exported functions
int amode(int);
int reglist(WORD *);
+int fpu_reglist_left(WORD *);
+int fpu_reglist_right(WORD *);
-#endif // __AMODE_H__
+#endif // __AMODE_H__
projects / rmac / blobdiff