V10/cmd/adb/seq/das.c
/*
* print an instruction
*/
#include "defs.h"
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned long ulong;
static ADDR p;
static int isp;
long ddisp();
#define IHEX 0 /* give up */
#define IDISP 1 /* 1 displacement op */
#define IFF 2 /* float, float */
#define IIF 3 /* int, float */
#define IFI 4 /* float, int */
#define III 5 /* int, int */
#define III3 6 /* int, int; 3 byte instr */
#define II 7 /* int */
#define IMD 8 /* enter: reg mask, disp */
#define IN 9 /* exit, restore: rev reg mask */
#define IQI 10 /* quick, int */
#define IIID3 11 /* int, int, disp; 3 byte instr */
#define INONE 12 /* no operands */
#define IDPC 13 /* pc-relative displacement */
#define II3 14 /* int; 3 byte */
#define IRII 15 /* reg, int, int */
#define IRIID 16 /* reg, int, int, disp */
#define IM 17 /* reg mask (save) */
#define IDMOD 18 /* disp which is really a module number */
#define INONE3 19 /* 3-byte no-operand (string stuff) */
#define II3X 20 /* 3 byte 1 operand sort of (sfsr) */
#define IMR 21 /* mem mgt instructions */
#define IPR 22 /* preg instructions */
#define ICFG 23 /* setcfg */
static
struct
{
uchar f;
ushort m;
ushort v;
char *s;
} t[] = {
/* begin */
III3, 0x3fff, 0x304e, "absb",
III3, 0x3fff, 0x334e, "absd",
IFF, 0x3fff, 0x35be, "absf",
IFF, 0x3fff, 0x34be, "absl",
III3, 0x3fff, 0x314e, "absw",
IQI, 0x3f, 0x4c, "acbb",
IQI, 0x3f, 0x4d, "acbw",
IQI, 0x3f, 0x4f, "acbd",
III, 0x3f, 0x00, "addb",
III, 0x3f, 0x01, "addw",
III, 0x3f, 0x03, "addd",
III, 0x3f, 0x10, "addcb",
III, 0x3f, 0x13, "addcd",
III, 0x3f, 0x11, "addcw",
IFF, 0x3fff, 0x01be, "addf",
IFF, 0x3fff, 0x00be, "addl",
III3, 0x3fff, 0x3c4e, "addpb",
III3, 0x3fff, 0x3f4e, "addpd",
III3, 0x3fff, 0x3d4e, "addpw",
IQI, 0x3f, 0x0c, "addqb",
IQI, 0x3f, 0x0d, "addqw",
IQI, 0x3f, 0x0f, "addqd",
III, 0x3f, 0x24, "addrb",
III, 0x3f, 0x27, "addrd",
III, 0x3f, 0x25, "addrw",
II, 0x7ff, 0x57c, "adjspb",
II, 0x7ff, 0x57f, "adjspd",
II, 0x7ff, 0x57d, "adjspw",
III, 0x3f, 0x28, "andb",
III, 0x3f, 0x2b, "andd",
III, 0x3f, 0x29, "andw",
III3, 0x3fff, 0x044e, "ashb",
III3, 0x3fff, 0x074e, "ashd",
III3, 0x3fff, 0x054e, "ashw",
IDPC, 0xff, 0x3a, "bcc",
IDPC, 0xff, 0x2a, "bcs",
IDPC, 0xff, 0x0a, "beq",
IDPC, 0xff, 0x1a, "bne",
IDPC, 0xff, 0x9a, "bfc",
IDPC, 0xff, 0x8a, "bfs",
IDPC, 0xff, 0xda, "bge",
IDPC, 0xff, 0x6a, "bgt",
IDPC, 0xff, 0x4a, "bhi",
IDPC, 0xff, 0xba, "bhs",
IDPC, 0xff, 0x5a, "bls",
IDPC, 0xff, 0x7a, "ble",
IDPC, 0xff, 0xaa, "blo",
IDPC, 0xff, 0xca, "blt",
III, 0x3f, 0x08, "bicb",
III, 0x3f, 0x09, "bicw",
III, 0x3f, 0x0b, "bicd",
II, 0x3ff, 0x17c, "bicpsrb",
II, 0x3ff, 0x17d, "bicpsrw",
II, 0x3ff, 0x37c, "bispsrb",
II, 0x3ff, 0x37d, "bispsrw",
INONE, 0xff, 0xf2, "bpt",
IDPC, 0xff, 0xea, "br",
IDPC, 0xff, 0x02, "bsr",
II, 0x7ff, 0x77c, "caseb",
II, 0x7ff, 0x77d, "casew",
II, 0x7ff, 0x77f, "cased",
III3, 0x3fff, 0x084e, "cbitb",
III3, 0x3fff, 0x0b4e, "cbitd",
III3, 0x3fff, 0x0c4e, "cbitib",
III3, 0x3fff, 0x0f4e, "cbitid",
III3, 0x3fff, 0x0d4e, "cbitiw",
III3, 0x3fff, 0x094e, "cbitw",
IRII, 0x7ff, 0x0ee, "checkb",
IRII, 0x7ff, 0x1ee, "checkw",
IRII, 0x7ff, 0x3ee, "checkd",
III, 0x3f, 0x04, "cmpb",
III, 0x3f, 0x05, "cmpw",
III, 0x3f, 0x07, "cmpd",
IFF, 0x3fff, 0x09be, "cmpf",
IFF, 0x3fff, 0x08be, "cmpl",
IIID3, 0x3fff, 0x04ce, "cmpmb",
IIID3, 0x3fff, 0x05ce, "cmpmw",
IIID3, 0x3fff, 0x07ce, "cmpmd",
IQI, 0x7f, 0x1c, "cmpqb",
IQI, 0x7f, 0x1d, "cmpqw",
IQI, 0x7f, 0x1f, "cmpqd",
INONE3, 0xffffff, 0x00040e, "cmpsb",
INONE3, 0xffffff, 0x00050e, "cmpsw",
INONE3, 0xffffff, 0x00070e, "cmpsd",
INONE3, 0xffffff, 0x00840e, "cmpst",
INONE3, 0xffffff, 0x01040e, "cmpsbb",
INONE3, 0xffffff, 0x01050e, "cmpswb",
INONE3, 0xffffff, 0x01070e, "cmpsdb",
INONE3, 0xffffff, 0x01840e, "cmpstb",
INONE3, 0xffffff, 0x02040e, "cmpsbw",
INONE3, 0xffffff, 0x02050e, "cmpsww",
INONE3, 0xffffff, 0x02070e, "cmpsdw",
INONE3, 0xffffff, 0x02840e, "cmpstw",
INONE3, 0xffffff, 0x03040e, "cmpsbbw",
INONE3, 0xffffff, 0x03050e, "cmpswbw",
INONE3, 0xffffff, 0x03070e, "cmpsdbw",
INONE3, 0xffffff, 0x03840e, "cmpstbw",
INONE3, 0xffffff, 0x06040e, "cmpsbu",
INONE3, 0xffffff, 0x06050e, "cmpswu",
INONE3, 0xffffff, 0x06070e, "cmpsdu",
INONE3, 0xffffff, 0x06840e, "cmpstu",
INONE3, 0xffffff, 0x07040e, "cmpsbbu",
INONE3, 0xffffff, 0x07050e, "cmpswbu",
INONE3, 0xffffff, 0x07070e, "cmpsdbu",
INONE3, 0xffffff, 0x07840e, "cmpstbu",
III3, 0x3fff, 0x344e, "comb",
III3, 0x3fff, 0x374e, "comd",
III3, 0x3fff, 0x354e, "comw",
IRII, 0x7ff, 0x36e, "cvtp",
IDMOD, 0xff, 0x22, "cxp",
II, 0x3ff, 0x07f, "cxpd",
III3, 0x3fff, 0x2cce, "deib",
III3, 0x3fff, 0x2dce, "deiw",
III3, 0x3fff, 0x2dce, "deid",
INONE, 0xff, 0xc2, "dia",
III3, 0x3fff, 0x3cce, "divb",
III3, 0x3fff, 0x3fce, "divd",
IFF, 0x3fff, 0x21be, "divf",
IFF, 0x3fff, 0x20be, "divl",
III3, 0x3fff, 0x3dce, "divw",
IMD, 0xff, 0x82, "enter",
IN, 0xff, 0x92, "exit",
IRIID, 0x7ff, 0x02e, "extb",
IRIID, 0x7ff, 0x12e, "extw",
IRIID, 0x7ff, 0x32e, "extd",
III3, 0x3fff, 0x0cce, "extsb",
III3, 0x3fff, 0x0dce, "extsw",
III3, 0x3fff, 0x0fce, "extsd",
III3, 0x3fff, 0x046e, "ffsb",
III3, 0x3fff, 0x056e, "ffsw",
III3, 0x3fff, 0x076e, "ffsd",
INONE, 0xff, 0xd2, "flag",
IFI, 0x3fff, 0x3c3e, "floorfb",
IFI, 0x3fff, 0x3f3e, "floorfd",
IFI, 0x3fff, 0x3d3e, "floorfw",
IFI, 0x3fff, 0x383e, "floorlb",
IFI, 0x3fff, 0x3b3e, "floorld",
IFI, 0x3fff, 0x393e, "floorlw",
III3, 0x3fff, 0x384e, "ibitb",
III3, 0x3fff, 0x3b4e, "ibitd",
III3, 0x3fff, 0x394e, "ibitw",
IRII, 0x7ff, 0x42e, "indexb",
IRII, 0x7ff, 0x52e, "indexw",
IRII, 0x7ff, 0x72e, "indexd",
IRIID, 0x7ff, 0x0ae, "insb",
IRIID, 0x7ff, 0x1ae, "insw",
IRIID, 0x7ff, 0x3ae, "insd",
III3, 0x3fff, 0x08ce, "inssb",
III3, 0x3fff, 0x09ce, "inssw",
III3, 0x3fff, 0x0bce, "inssd",
II, 0x7ff, 0x67f, "jsr",
II, 0x3ff, 0x27f, "jump",
II3, 0x7ffff, 0x00f3e, "lfsr",
IMR, 0x7fff, 0x0b1e, "lmr",
IPR, 0x7f, 0x6c, "lprb",
IPR, 0x7f, 0x6d, "lprw",
IPR, 0x7f, 0x6f, "lprd",
III3, 0x3fff, 0x144e, "lshb",
III3, 0x3fff, 0x174e, "lshd",
III3, 0x3fff, 0x154e, "lshw",
III3, 0x3ff, 0x24ce, "meib",
III3, 0x3ff, 0x25ce, "meiw",
III3, 0x3ff, 0x27ce, "meid",
III3, 0x3fff, 0x38ce, "modb",
III3, 0x3fff, 0x3bce, "modd",
III3, 0x3fff, 0x39ce, "modw",
III, 0x3f, 0x14, "movb",
IIF, 0x3fff, 0x043e, "movbf",
IIF, 0x3fff, 0x003e, "movbl",
III, 0x3f, 0x17, "movd",
IIF, 0x3fff, 0x073e, "movdf",
IIF, 0x3fff, 0x033e, "movdl",
IFF, 0x3fff, 0x05be, "movf",
IIF, 0x3fff, 0x1b3e, "movfl",
IFF, 0x3fff, 0x04be, "movl",
IIF, 0x3fff, 0x163e, "movlf",
III, 0x3f, 0x15, "movw",
IIF, 0x3fff, 0x053e, "movwf",
IIF, 0x3fff, 0x013e, "movwl",
III3, 0x3fff, 0x1cce, "movxbd",
III3, 0x3fff, 0x10ce, "movxbw",
III3, 0x3fff, 0x1dce, "movxwd",
III3, 0x3fff, 0x18ce, "movzbd",
III3, 0x3fff, 0x14ce, "movzbw",
III3, 0x3fff, 0x19ce, "movzwd",
III3, 0x3fff, 0x00ce, "movmb",
III3, 0x3fff, 0x01ce, "movmw",
III3, 0x3fff, 0x03ce, "movmd",
IQI, 0x7f, 0x5c, "movqb",
IQI, 0x7f, 0x5d, "movqw",
IQI, 0x7f, 0x5f, "movqd",
INONE3, 0xffffff, 0x00000e, "movsb",
INONE3, 0xffffff, 0x00010e, "movsw",
INONE3, 0xffffff, 0x00030e, "movsd",
INONE3, 0xffffff, 0x00800e, "movst",
INONE3, 0xffffff, 0x01000e, "movsbb",
INONE3, 0xffffff, 0x01010e, "movswb",
INONE3, 0xffffff, 0x01030e, "movsdb",
INONE3, 0xffffff, 0x01800e, "movstb",
INONE3, 0xffffff, 0x02000e, "movsbw",
INONE3, 0xffffff, 0x02010e, "movsww",
INONE3, 0xffffff, 0x02030e, "movsdw",
INONE3, 0xffffff, 0x02800e, "movstw",
INONE3, 0xffffff, 0x03000e, "movsbbw",
INONE3, 0xffffff, 0x03010e, "movswbw",
INONE3, 0xffffff, 0x03030e, "movsdbw",
INONE3, 0xffffff, 0x03800e, "movstbw",
INONE3, 0xffffff, 0x06000e, "movsbu",
INONE3, 0xffffff, 0x06010e, "movswu",
INONE3, 0xffffff, 0x06030e, "movsdu",
INONE3, 0xffffff, 0x06800e, "movstu",
INONE3, 0xffffff, 0x07000e, "movsbbu",
INONE3, 0xffffff, 0x07010e, "movswbu",
INONE3, 0xffffff, 0x07030e, "movsdbu",
INONE3, 0xffffff, 0x07800e, "movstbu",
III3, 0x3fff, 0x0cae, "movsub",
III3, 0x3fff, 0x0dae, "movsuw",
III3, 0x3fff, 0x0fae, "movsud",
III3, 0x3fff, 0x1cae, "movusb",
III3, 0x3fff, 0x1dae, "movusw",
III3, 0x3fff, 0x1fae, "movusd",
III3, 0x3fff, 0x20ce, "mulb",
III3, 0x3fff, 0x23ce, "muld",
IFF, 0x3fff, 0x31be, "mulf",
IFF, 0x3fff, 0x30be, "mull",
III3, 0x3fff, 0x21ce, "mulw",
III3, 0x3fff, 0x204e, "negb",
III3, 0x3fff, 0x234e, "negd",
IFF, 0x3fff, 0x15be, "negf",
IFF, 0x3fff, 0x14be, "negl",
III3, 0x3fff, 0x214e, "negw",
INONE, 0xff, 0xa2, "nop",
III3, 0x3fff, 0x244e, "notb",
III3, 0x3fff, 0x274e, "notd",
III3, 0x3fff, 0x254e, "notw",
III, 0x3f, 0x18, "orb",
III, 0x3f, 0x1b, "ord",
III, 0x3f, 0x19, "orw",
III3, 0x3fff, 0x30ce, "quob",
III3, 0x3fff, 0x33ce, "quod",
III3, 0x3fff, 0x31ce, "quow",
II3, 0x7ffff, 0x0031e, "rdval",
III3, 0x3fff, 0x34ce, "remb",
III3, 0x3fff, 0x37ce, "remd",
III3, 0x3fff, 0x35ce, "remw",
IN, 0xff, 0x72, "restore",
IDISP, 0xff, 0x12, "ret",
INONE, 0xff, 0x52, "reti",
INONE, 0xff, 0x42, "rett",
III3, 0x3fff, 0x004e, "rotb",
III3, 0x3fff, 0x034e, "rotd",
III3, 0x3fff, 0x014e, "rotw",
IFI, 0x3fff, 0x243e, "roundfb",
IFI, 0x3fff, 0x273e, "roundfd",
IFI, 0x3fff, 0x253e, "roundfw",
IFI, 0x3fff, 0x203e, "roundlb",
IFI, 0x3fff, 0x233e, "roundld",
IFI, 0x3fff, 0x213e, "roundlw",
IDISP, 0xff, 0x32, "rxp",
II, 0x7ff, 0x1bc, "sccb",
II, 0x7ff, 0x1bf, "sccd",
II, 0x7ff, 0x1bd, "sccw",
II, 0x7ff, 0x13c, "scsb",
II, 0x7ff, 0x13f, "scsd",
II, 0x7ff, 0x13d, "scsw",
II, 0x7ff, 0x03c, "seqb",
II, 0x7ff, 0x03f, "seqd",
II, 0x7ff, 0x03d, "seqw",
II, 0x7ff, 0x4bc, "sfcb",
II, 0x7ff, 0x4bf, "sfcd",
II, 0x7ff, 0x4bd, "sfcw",
II, 0x7ff, 0x43c, "sfsb",
II, 0x7ff, 0x43f, "sfsd",
II, 0x7ff, 0x43d, "sfsw",
II, 0x7ff, 0x6bc, "sgeb",
II, 0x7ff, 0x6bf, "sged",
II, 0x7ff, 0x6bd, "sgew",
II, 0x7ff, 0x33c, "sgtb",
II, 0x7ff, 0x33f, "sgtd",
II, 0x7ff, 0x33d, "sgtw",
II, 0x7ff, 0x23c, "shib",
II, 0x7ff, 0x23f, "shid",
II, 0x7ff, 0x23d, "shiw",
II, 0x7ff, 0x5bc, "shsb",
II, 0x7ff, 0x5bf, "shsd",
II, 0x7ff, 0x5bd, "shsw",
II, 0x7ff, 0x3bc, "sleb",
II, 0x7ff, 0x3bf, "sled",
II, 0x7ff, 0x3bd, "slew",
II, 0x7ff, 0x53c, "slob",
II, 0x7ff, 0x53f, "slod",
II, 0x7ff, 0x53d, "slow",
II, 0x7ff, 0x2bc, "slsb",
II, 0x7ff, 0x2bf, "slsd",
II, 0x7ff, 0x2bd, "slsw",
II, 0x7ff, 0x63c, "sltb",
II, 0x7ff, 0x63f, "sltd",
II, 0x7ff, 0x63d, "sltw",
II, 0x7ff, 0x0bc, "sneb",
II, 0x7ff, 0x0bf, "sned",
II, 0x7ff, 0x0bd, "snew",
IM, 0xff, 0x62, "save",
III3, 0x3fff, 0x184e, "sbitb",
III3, 0x3fff, 0x1b4e, "sbitd",
III3, 0x3fff, 0x1c4e, "sbitib",
III3, 0x3fff, 0x1f4e, "sbitid",
III3, 0x3fff, 0x1d4e, "sbitiw",
III3, 0x3fff, 0x194e, "sbitw",
ICFG, 0xf87fff, 0x000b0e, "setcfg",
II3X, 0xf83fff, 0x00373e, "sfsr",
INONE3, 0xffffff, 0x000c0e, "skpsb",
INONE3, 0xffffff, 0x000d0e, "skpsw",
INONE3, 0xffffff, 0x000f0e, "skpsd",
INONE3, 0xffffff, 0x008c0e, "skpst",
INONE3, 0xffffff, 0x010c0e, "skpsbb",
INONE3, 0xffffff, 0x010d0e, "skpswb",
INONE3, 0xffffff, 0x010f0e, "skpsdb",
INONE3, 0xffffff, 0x018c0e, "skpstb",
INONE3, 0xffffff, 0x020c0e, "skpsbw",
INONE3, 0xffffff, 0x020d0e, "skpsww",
INONE3, 0xffffff, 0x020f0e, "skpsdw",
INONE3, 0xffffff, 0x028c0e, "skpstw",
INONE3, 0xffffff, 0x030c0e, "skpsbbw",
INONE3, 0xffffff, 0x030d0e, "skpswbw",
INONE3, 0xffffff, 0x030f0e, "skpsdbw",
INONE3, 0xffffff, 0x038c0e, "skpstbw",
INONE3, 0xffffff, 0x060c0e, "skpsbu",
INONE3, 0xffffff, 0x060d0e, "skpswu",
INONE3, 0xffffff, 0x060f0e, "skpsdu",
INONE3, 0xffffff, 0x068c0e, "skpstu",
INONE3, 0xffffff, 0x070c0e, "skpsbbu",
INONE3, 0xffffff, 0x070d0e, "skpswbu",
INONE3, 0xffffff, 0x070f0e, "skpsdbu",
INONE3, 0xffffff, 0x078c0e, "skpstbu",
IMR, 0x7fff, 0x0f1e, "smr",
IPR, 0x7f, 0x2c, "sprb",
IPR, 0x7f, 0x2d, "sprw",
IPR, 0x7f, 0x2f, "sprd",
III, 0x3f, 0x20, "subb",
III, 0x3f, 0x30, "subcb",
III, 0x3f, 0x33, "subcd",
III, 0x3f, 0x31, "subcw",
III, 0x3f, 0x23, "subd",
IFF, 0x3fff, 0x11be, "subf",
IFF, 0x3fff, 0x10be, "subl",
III3, 0x3fff, 0x2c4e, "subpb",
III3, 0x3fff, 0x2f4e, "subpd",
III3, 0x3fff, 0x2d4e, "subpw",
III, 0x3f, 0x21, "subw",
INONE, 0xff, 0xe2, "svc",
III, 0x3f, 0x34, "tbitb",
III, 0x3f, 0x37, "tbitd",
III, 0x3f, 0x35, "tbitw",
IFI, 0x3fff, 0x2c3e, "truncfb",
IFI, 0x3fff, 0x2f3e, "truncfd",
IFI, 0x3fff, 0x2d3e, "truncfw",
IFI, 0x3fff, 0x283e, "trunclb",
IFI, 0x3fff, 0x2b3e, "truncld",
IFI, 0x3fff, 0x293e, "trunclw",
INONE, 0xff, 0xb2, "wait",
II3, 0x7ffff, 0x0071e, "wrval",
III, 0x3f, 0x38, "xorb",
III, 0x3f, 0x3b, "xord",
III, 0x3f, 0x39, "xorw",
/* end */
IHEX, 0x0, 0x0, "hex",
};
printins(asp)
int asp;
{
register long o;
register i, f;
ADDR orig;
isp = asp;
o = ltow(lget(dot, asp));
p = dot;
orig = dot;
for(i=0; t[i].f; i++)
if((o&t[i].m) == t[i].v)
break;
printf("%s ", t[i].s);
switch(t[i].f) {
case IHEX:
p += 1;
printf("%02x", o & 0377);
break;
case INONE:
p += 1;
break;
case INONE3:
p += 3;
break;
case IDISP:
p += 1;
psymoff((WORD)ddisp(), isp, "");
break;
case IDMOD:
p += 1;
psymoff((WORD)mtotext(ddisp(), isp), isp, "");
break;
case IDPC:
p += 1;
psymoff((WORD)(ddisp()+dot), isp, "");
break;
case IFF:
p += 3;
f = (o>>8)|2;
addr2((int)(o>>14), f, f);
break;
case IIF:
p += 3;
i = (o>>8);
f = (o>>10)|2;
addr2((int)(o>>14), i, f);
break;
case IFI:
p += 3;
i = (o>>8);
f = (o>>10)|2;
addr2((int)(o>>14), f, i);
break;
case III:
p += 2;
i = o;
addr2((int)(o>>6), i, i);
break;
case III3:
p += 3;
i = (o>>8);
addr2((int)(o>>14), i, i);
break;
case IIID3:
p += 3;
i = (o>>8);
addr2((int)(o>>14), i, i);
printf(",%r", ddisp());
break;
case II:
p += 2;
i = o;
dgen((int)(o>>11), i, -1);
break;
case II3:
p += 3;
dgen((int)(o>>19), 3, -1);
break;
case II3X:
p += 3;
dgen((int)(o>>14), 3, -1);
break;
case IMD:
p += 2;
mask((int)(o>>8)&0xff);
printf(",%R", ddisp());
break;
case IM:
p += 2;
mask((int)(o>>8)&0xff);
break;
case IN:
p += 2;
rmask((int)(o>>8)&0xff);
break;
case IQI:
p += 2;
i = o;
printf("$");
quick((int)(o>>7));
printf(",");
dgen((int)(o>>11), o, -1);
break;
case IRII:
p += 3;
printf("r%d,", (int)(o>>11)&0x7);
i = o;
addr2((int)(o>>14), i, i);
break;
case IRIID:
p += 3;
printf("r%d,", (int)(o>>11)&0x7);
i = o;
addr2((int)(o>>14), i, i);
printf(",");
psymoff((WORD)ddisp(), isp, "");
break;
case ICFG:
p += 3;
printf("[");
if (o & 0x8000)
printf("I");
if (o & 0x10000)
printf("F");
if (o & 0x20000)
printf("M");
if (o & 0x40000)
printf("C");
printf("]");
break;
case IPR:
p += 2;
prreg((o >> 7) & 0xf);
printf(",");
dgen(o >> 11, o, -1);
break;
case IMR:
p += 1;
prmr((o >> 15) & 0xf);
printf(",");
dgen(o >> 19, 3, -1);
break;
}
dotinc = p - orig;
}
static
addr2(o, i1, i2)
{
register x1, x2, t;
x1 = -1;
x2 = -1;
t = (o >> 5) & 0x1f;
if (28 <= t && t <= 31) /* index mode */
x1 = cget(p++, isp);
t = o & 0x1f;
if (28 <= t && t <= 31)
x2 = cget(p++, isp);
dgen(o>>5, i1, x1);
printf(",");
dgen(o, i2, x2);
}
static
dgen(g, i, t)
{
register long v, v1;
register uchar pp;
switch(g &= 0x1f) {
default:
printf("gok%d", g & 0x1f);
break;
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
printf("r%d", g);
break;
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
v = ddisp();
psymoff((WORD)v, isp, "");
printf("(r%d)", g-8);
break;
case 16:
case 17:
case 18:
v = ddisp();
v1 = ddisp();
psymoff((WORD)v1, isp, "(");
psymoff((WORD)v, isp, "");
printf("(%c%c))", "fss"[g-16], "ppb"[g-16]);
break;
case 20:
v = 0;
pp = cget(p, isp);
if(pp & 0200)
switch(i & 3) {
case 2: break;
case 3: break;
case 1: v = 0xffff0000L; break;
case 0: v = 0xffffff00L; break;
}
switch(i & 3) {
case 2: p += 4;
case 3: v |= (long)cget(p++, isp) << 24;
v |= (long)cget(p++, isp) << 16;
case 1: v |= (long)cget(p++, isp) << 8;
case 0: v |= (long)cget(p++, isp);
}
printf("$");
psymoff((WORD)v, isp, "");
break;
case 21:
v = ddisp();
printf("*");
psymoff((WORD)v, isp, "");
break;
case 22:
v = ddisp();
v1 = ddisp();
psymoff((WORD)(mtodata(v, isp)+v1), isp, "");
break;
case 23:
printf("tos");
break;
case 24:
case 25:
case 26:
case 27:
v = ddisp();
psymoff((WORD)v, isp, "");
printf("(%c%c)", "fssp"[g-24], "ppbp"[g-24]);
break;
case 28:
case 29:
case 30:
case 31:
if (t == -1)
t = cget(p++, isp);
dgen(t>>3, i, -1);
printf("[r%d:%c]", t&07, "bwdq"[g&03]);
break;
}
}
static long
ddisp()
{
register long o;
o = cget(p++, isp);
if(!(o & 0x80)) {
if(o & 0x40)
o |= 0xffffff80;
return o;
}
o = (o<<8) | cget(p++, isp);
if(!(o & 0x4000)) {
o &= 0x3fff;
if(o & 0x2000)
o |= 0xffffc000;
return o;
}
o = (o<<8) | cget(p++, isp);
o = (o<<8) | cget(p++, isp);
o &= 0x3fffffff;
if(o & 0x20000000)
o |= 0xc0000000;
return o;
}
static
mask(m)
register int m;
{
register int i;
int first = 0;
m &= 0xff;
printf("[");
for (i = 0; m; i++) {
if (m & (1<<i)) {
if (first++)
printf(",");
printf("r%d", i);
}
m &=~ (1<<i);
}
printf("]");
}
static
rmask(m)
register int m;
{
register int i;
int first = 0;
m &= 0xff;
printf("[");
for (i = 0; m; i++) {
if (m & (0x80>>i)) {
if (first++)
printf(",");
printf("r%d", i);
}
m &=~ (0x80>>i);
}
printf("]");
}
static
quick(q)
register int q;
{
q &= 0xf;
if (q & 0x8)
q |= ~0x7;
printf("%r", q);
}
static char *pmrtab[] = {
"bpr0", "bpr1", "2", "3",
"pf0", "pf1", "6", "7",
"sc", "9", "msr", "bcnt",
"ptb0", "ptb1", "#d", "eia",
};
static
prmr(r)
int r;
{
printf("%s", pmrtab[r]);
}
static char *pregtab[] = {
"upsr", "1", "2", "3",
"4", "5", "6", "7",
"fp", "sp", "sb", "#b",
"#c", "psr", "intbase", "mod",
};
static
prreg(r)
int r;
{
printf("%s", pregtab[r]);
}