// AMODE.H - Addressing Modes
// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends
// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
-// Source Utilised with the Kind Permission of Landon Dyer
+// Source utilised with the kind permission of Landon Dyer
//
#ifndef __AMODE_H__
#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 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
// 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 // ([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)
// Addr mode categories
-#define C_ALL 0x00000fffL
-#define C_DATA 0x00000ffdL
-#define C_MEM 0x00000ffcL
-#define C_CTRL 0x000007e4L
-#define C_ALT 0x000001ffL
+#define C_ALL 0x00000FFFL
+#define C_DATA 0x00000FFDL
+#define C_MEM 0x00000FFCL
+#define C_CTRL 0x000007E4L
+#define C_ALT 0x000001FFL
#define C_ALTDATA (C_DATA&C_ALT)
#define C_ALTMEM (C_MEM&C_ALT)
#define C_NONE M_AM_NONE
// 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 EXPRSIZE 128 // Maximum #tokens in an expression
+#define EXPRSIZE 128 // Maximum #tokens in an expression
// Addressing mode variables, output of amode()
extern int nmodes;
// 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
+ 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
};
// mnattr:
-#define CGSPECIAL 0x8000 // Special (don't parse addr modes)
+#define CGSPECIAL 0x8000 // Special (don't parse addr modes)
// Prototypes
int amode(int);
int reglist(WORD *);
#endif // __AMODE_H__
+
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