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dis78K3.cpp
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// dis78K3.c
// disassembler for NEC D78K3
static const char versionName[] = "NEC D78K3 disassembler";
#include "discpu.h"
class Dis78K3 : public CPU {
public:
Dis78K3(const char *name, int subtype, int endian, int addrwid,
char curAddrChr, char hexChr, const char *byteOp,
const char *wordOp, const char *longOp);
virtual int dis_line(addr_t addr, char *opcode, char *parms, int &lfref, addr_t &refaddr);
};
Dis78K3 cpu_78K3("D78K3", 0, LITTLE_END, ADDR_16, '$', 'H', "DB", "DW", "DL");
Dis78K3::Dis78K3(const char *name, int subtype, int endian, int addrwid,
char curAddrChr, char hexChr, const char *byteOp,
const char *wordOp, const char *longOp)
{
_file = __FILE__;
_name = name;
_version = versionName;
_subtype = subtype;
_dbopcd = byteOp;
_dwopcd = wordOp;
_dlopcd = longOp;
_curpc = curAddrChr;
_endian = endian;
_hexchr = hexChr;
_addrwid = addrwid;
add_cpu();
}
// =====================================================
struct InstrRec {
uint16_t opcode; // opcode: xx00=8-bit instr, xxyy=16-bit instr
uint16_t mask; // mask: 0=end, low byte=00 for 8-bit opcode
const char *op; // mnemonic
const char *parms; // parms
uint8_t lfref; // lfFlag/refFlag/codeRef
};
typedef const struct InstrRec *InstrPtr;
// =====================================================
// first byte in bits 15-8, second byte in bits 7-0
static const struct InstrRec *FindInstr(const struct InstrRec *table, uint16_t opcode)
{
for ( ; table->mask; table++) {
if (table->opcode == (opcode & table->mask)) {
return table;
}
}
return NULL;
}
static const struct InstrRec opcdTable_78K3[] =
{
// *** remember to move page instrs to top?
// op mask opcd parms lfref
// 1
// MOV
{ 0x2BFE, 0xFFFF, "MOV" , "PSWL,#b", 0 }, // special cases of sfr
{ 0x2BFF, 0xFFFF, "MOV" , "PSWH,#b", 0 },
{ 0x12FE, 0xFFFF, "MOV" , "PSWL,A" , 0 },
{ 0x12FF, 0xFFFF, "MOV" , "PSWH,A" , 0 },
{ 0x10FE, 0xFFFF, "MOV" , "A,PSWL" , 0 },
{ 0x10FF, 0xFFFF, "MOV" , "A,PSWH" , 0 },
{ 0xB800, 0xF800, "MOV" , "r1,#b" , 0 },
{ 0x3A00, 0xFF00, "MOV" , "s,#b" , 0 },
{ 0x2B00, 0xFF00, "MOV" , "f,#b" , 0 },
{ 0x2400, 0xFF08, "MOV" , "r,r1" , 0 },
{ 0xD000, 0xF800, "MOV" , "A,r1" , 0 },
{ 0x2000, 0xFF00, "MOV" , "A,s" , 0 },
{ 0x2200, 0xFF00, "MOV" , "s,A" , 0 },
{ 0x3800, 0xFF00, "MOV" , "s,s" , 0 },
{ 0x1000, 0xFF00, "MOV" , "A,f" , 0 },
{ 0x1200, 0xFF00, "MOV" , "f,A" , 0 },
// { 0x5800, 0xF800, "MOV" , "A,m1" , 0 }, // deferred to avoid 5E/5F
// { 0x0000, 0xE08F, "MOV" , "A,m" , 0 },
// { 0x5000, 0xF800, "MOV" , "m1,A" , 0 }, // deferred to avoid 56/57
// { 0x0080, 0xE08F, "MOV" , "m,A" , 0 },
{ 0x1800, 0xFF00, "MOV" , "A,[s]" , 0 },
{ 0x1900, 0xFF00, "MOV" , "[s],A" , 0 },
{ 0x09F0, 0xFFFF, "MOV" , "A,w" , 0 },
{ 0x09F1, 0xFFFF, "MOV" , "w,A" , 0 },
// XCH
{ 0xD800, 0xF800, "XCH" , "A,r1" , 0 },
{ 0x2500, 0xFF08, "XCH" , "r,r1" , 0 },
// { 0x0004, 0xE08F, "XCH" , "A,m" , 0 },
{ 0x2100, 0xFF00, "XCH" , "A,s" , 0 },
{ 0x0121, 0xFFFF, "XCH" , "A,f" , 0 },
{ 0x2300, 0xFF00, "XCH" , "A,[s]" , 0 },
{ 0x3900, 0xFF00, "XCH" , "s,s" , 0 },
// 2
// MOVW
{ 0x6000, 0xF800, "MOVW" , "p1,#w" , 0 },
{ 0x0C00, 0xFF00, "MOVW" , "s,#w" , 0 },
{ 0x0B00, 0xFF00, "MOVW" , "f,#w" , 0 },
{ 0x2408, 0xFF18, "MOVW" , "p,p1" , 0 },
{ 0x1C00, 0xFF00, "MOVW" , "AX,s" , 0 },
{ 0x1A00, 0xFF00, "MOVW" , "s,AX" , 0 },
{ 0x3C00, 0xFF00, "MOVW" , "s,s" , 0 },
{ 0x1100, 0xFF00, "MOVW" , "AX,f" , 0 },
{ 0x1300, 0xFF00, "MOVW" , "f,AX" , 0 },
{ 0x0980, 0xFFF8, "MOVW" , "r1,w" , 0 },
{ 0x0990, 0xFFF8, "MOVW" , "w,r1" , 0 },
// { 0x0001, 0xE08F, "MOVW" , "AX,m" , 0 }, //*** mem = special
// { 0x0081, 0xE08F, "MOVW" , "m,AX" , 0 }, //*** mem = special
// XCHW
{ 0x1B00, 0xFF00, "XCHW" , "AX,s" , 0 },
{ 0x011B, 0xFFFF, "XCHW" , "AX,f" , 0 },
{ 0x2A00, 0xFF00, "XCHW" , "s,s" , 0 },
{ 0x2508, 0xFF18, "XCHW" , "p,p1" , 0 },
// { 0x0005, 0xE08F, "XCHW" , "AX,m" , 0 }, //*** mem = special
// 3
// ADD 8
{ 0xA800, 0xFF00, "ADD" , "A,#b" , 0 },
{ 0x6800, 0xFF00, "ADD" , "s,#b" , 0 },
{ 0x0168, 0xFFFF, "ADD" , "f,#b" , 0 },
{ 0x8800, 0xFF08, "ADD" , "r,r1" , 0 },
{ 0x9800, 0xFF00, "ADD" , "A,s" , 0 },
{ 0x0198, 0xFFFF, "ADD" , "A,f" , 0 },
{ 0x7800, 0xFF00, "ADD" , "s,s" , 0 },
// { 0x0008, 0xE08F, "ADD" , "A,m" , 0 },
// { 0x0088, 0xE08F, "ADD" , "m,A" , 0 },
// ADDC 9
{ 0xA900, 0xFF00, "ADDC" , "A,#b" , 0 },
{ 0x6900, 0xFF00, "ADDC" , "s,#b" , 0 },
{ 0x0169, 0xFFFF, "ADDC" , "f,#b" , 0 },
{ 0x8900, 0xFF08, "ADDC" , "r,r1" , 0 },
{ 0x9900, 0xFF00, "ADDC" , "A,s" , 0 },
{ 0x0199, 0xFFFF, "ADDC" , "A,f" , 0 },
{ 0x7900, 0xFF00, "ADDC" , "s,s" , 0 },
// { 0x0009, 0xE08F, "ADDC" , "A,m" , 0 },
// { 0x0089, 0xE08F, "ADDC" , "m,A" , 0 },
// SUB A
{ 0xAA00, 0xFF00, "SUB" , "A,#b" , 0 },
{ 0x6A00, 0xFF00, "SUB" , "s,#b" , 0 },
{ 0x016A, 0xFFFF, "SUB" , "f,#b" , 0 },
{ 0x8A00, 0xFF08, "SUB" , "r,r1" , 0 },
{ 0x9A00, 0xFF00, "SUB" , "A,s" , 0 },
{ 0x019A, 0xFFFF, "SUB" , "A,f" , 0 },
{ 0x7A00, 0xFF00, "SUB" , "s,s" , 0 },
// { 0x000A, 0xE08F, "SUB" , "A,m" , 0 },
// { 0x008A, 0xE08F, "SUB" , "m,A" , 0 },
// SUBC B
{ 0xAB00, 0xFF00, "SUBC" , "A,#b" , 0 },
{ 0x6B00, 0xFF00, "SUBC" , "s,#b" , 0 },
{ 0x016B, 0xFFFF, "SUBC" , "f,#b" , 0 },
{ 0x8B00, 0xFF08, "SUBC" , "r,r1" , 0 },
{ 0x9B00, 0xFF00, "SUBC" , "A,s" , 0 },
{ 0x019B, 0xFFFF, "SUBC" , "A,f" , 0 },
{ 0x7B00, 0xFF00, "SUBC" , "s,s" , 0 },
// { 0x000B, 0xE08F, "SUBC" , "A,m" , 0 },
// { 0x008B, 0xE08F, "SUBC" , "m,A" , 0 },
// AND C
{ 0xAC00, 0xFF00, "AND" , "A,#b" , 0 },
{ 0x6C00, 0xFF00, "AND" , "s,#b" , 0 },
{ 0x016C, 0xFFFF, "AND" , "f,#b" , 0 },
{ 0x8C00, 0xFF08, "AND" , "r,r1" , 0 },
{ 0x9C00, 0xFF00, "AND" , "A,s" , 0 },
{ 0x019C, 0xFFFF, "AND" , "A,f" , 0 },
{ 0x7C00, 0xFF00, "AND" , "s,s" , 0 },
// { 0x000C, 0xE08F, "AND" , "A,m" , 0 },
// { 0x008C, 0xE08F, "AND" , "m,A" , 0 },
// OR E
{ 0xAE00, 0xFF00, "OR" , "A,#b" , 0 },
{ 0x6E00, 0xFF00, "OR" , "s,#b" , 0 },
{ 0x016E, 0xFFFF, "OR" , "f,#b" , 0 },
{ 0x8E00, 0xFF08, "OR" , "r,r1" , 0 },
{ 0x9E00, 0xFF00, "OR" , "A,s" , 0 },
{ 0x019E, 0xFFFF, "OR" , "A,f" , 0 },
{ 0x7E00, 0xFF00, "OR" , "s,s" , 0 },
// { 0x000E, 0xE08F, "OR" , "A,m" , 0 },
// { 0x008E, 0xE08F, "OR" , "m,A" , 0 },
// XOR D
{ 0xAD00, 0xFF00, "XOR" , "A,#b" , 0 },
{ 0x6D00, 0xFF00, "XOR" , "s,#b" , 0 },
{ 0x016D, 0xFFFF, "XOR" , "f,#b" , 0 },
{ 0x8D00, 0xFF08, "XOR" , "r,r1" , 0 },
{ 0x9D00, 0xFF00, "XOR" , "A,s" , 0 },
{ 0x019D, 0xFFFF, "XOR" , "A,f" , 0 },
{ 0x7D00, 0xFF00, "XOR" , "s,s" , 0 },
// { 0x000D, 0xE08F, "XOR" , "A,m" , 0 },
// { 0x008D, 0xE08F, "XOR" , "m,A" , 0 },
// CMP F
{ 0xAF00, 0xFF00, "CMP" , "A,#b" , 0 },
{ 0x6F00, 0xFF00, "CMP" , "s,#b" , 0 },
{ 0x016F, 0xFFFF, "CMP" , "f,#b" , 0 },
{ 0x8F00, 0xFF08, "CMP" , "r,r1" , 0 },
{ 0x9F00, 0xFF00, "CMP" , "A,s" , 0 },
{ 0x019F, 0xFFFF, "CMP" , "A,f" , 0 },
{ 0x7F00, 0xFF00, "CMP" , "s,s" , 0 },
// { 0x000F, 0xE08F, "CMP" , "A,m" , 0 },
// { 0x008F, 0xE08F, "CMP" , "m,A" , 0 },
// 4
{ 0x2D00, 0xFF00, "ADDW" , "AX,#w" , 0 },
{ 0x0D00, 0xFF00, "ADDW" , "s,#w" , 0 },
{ 0x010D, 0xFFFF, "ADDW" , "f,#w" , 0 },
{ 0x8808, 0xFF18, "ADDW" , "p,p1" , 0 },
{ 0x1D00, 0xFF00, "ADDW" , "AX,s" , 0 },
{ 0x011D, 0xFFFF, "ADDW" , "AX,f" , 0 },
{ 0x3D00, 0xFF00, "ADDW" , "s,s" , 0 },
{ 0x2E00, 0xFF00, "SUBW" , "AX,#w" , 0 },
{ 0x0E00, 0xFF00, "SUBW" , "s,#w" , 0 },
{ 0x010E, 0xFFFF, "SUBW" , "f,#w" , 0 },
{ 0x8A08, 0xFF18, "SUBW" , "p,p1" , 0 },
{ 0x1E00, 0xFF00, "SUBW" , "AX,s" , 0 },
{ 0x011E, 0xFFFF, "SUBW" , "AX,f" , 0 },
{ 0x3E00, 0xFF00, "SUBW" , "s,s" , 0 },
{ 0x2F00, 0xFF00, "CMPW" , "AX,w" , 0 },
{ 0x0F00, 0xFF00, "CMPW" , "s,#w" , 0 },
{ 0x010F, 0xFFFF, "CMPW" , "f,#w" , 0 },
{ 0x8F08, 0xFF18, "CMPW" , "p,p1" , 0 },
{ 0x1F00, 0xFF00, "CMPW" , "AX,s" , 0 },
{ 0x011F, 0xFFFF, "CMPW" , "AX,f" , 0 },
{ 0x3F00, 0xFF00, "CMPW" , "s,s" , 0 },
// 5
{ 0x0508, 0xFFF8, "MULU" , "r1" , 0 },
{ 0x0518, 0xFFF8, "DIVUW" , "r1" , 0 },
{ 0x0528, 0xFFF8, "MULUW" , "p1" , 0 },
{ 0x05E8, 0xFFF8, "DIVUX" , "p1" , 0 },
// 6
{ 0x0538, 0xFFF8, "MULW" , "p1" , 0 },
// 7
{ 0x0785, 0xFFFF, "MACW" , "b" , 0 }, //*** b -> special
// 8
{ 0x0705, 0xFFFF, "MACSW" , "b" , 0 }, //*** b -> special
// 9
// { 0x09B0, 0xFFFF, "SACW" , "[DE+],[HL+]||", 0 }, //*** 09 B0 41 46
// 10
{ 0x09A0, 0xFFFF, "MOVTBLW", "w" , 0 }, //*** w -> special
// 11
{ 0xC000, 0xF800, "INC" , "r1" , 0 },
{ 0x2600, 0xFF00, "INC" , "s" , 0 },
{ 0xC800, 0xF800, "DEC" , "r1" , 0 },
{ 0x2700, 0xFF00, "DEC" , "s" , 0 },
{ 0x4400, 0xFC00, "INCW" , "p2" , 0 },
{ 0x07E8, 0xFFFF, "INCW" , "s" , 0 },
{ 0x4C00, 0xFC00, "DECW" , "p2" , 0 },
{ 0x07E9, 0xFFFF, "DECW" , "s" , 0 },
// 12
{ 0x3040, 0xFFC0, "ROR" , "r1,h" , 0 }, //*** r1 <- B2, h <- B2 shr 3
{ 0x3140, 0xFFC0, "ROL" , "r1,h" , 0 }, //*** r1 <- B2, h <- B2 shr 3
{ 0x3000, 0xFFC0, "RORC" , "r1,h" , 0 }, //*** r1 <- B2, h <- B2 shr 3
{ 0x3100, 0xFFC0, "ROLC" , "r1,h" , 0 }, //*** r1 <- B2, h <- B2 shr 3
{ 0x3080, 0xFFC0, "SHR" , "r1,h" , 0 }, //*** r1 <- B2, h <- B2 shr 3
{ 0x3180, 0xFFC0, "SHL" , "r1,h" , 0 }, //*** r1 <- B2, h <- B2 shr 3
{ 0x30C0, 0xFFC0, "SHRW" , "p1,h", 0 }, //*** rp1 <- B2, h <- B2 shr 3
{ 0x31C0, 0xFFC0, "SHLW" , "p1,h", 0 }, //*** rp1 <- B2, h <- B2 shr 3
{ 0x0588, 0xFFF8, "ROR4" , "[p1]", 0 }, //*** n <-b2
{ 0x0598, 0xFFF8, "ROL4" , "[p1]", 0 },
// 13
{ 0x05FE, 0xFFFF, "ADJBA" , "" , 0 },
{ 0x05FF, 0xFFFF, "ADJBS" , "" , 0 },
// 14
{ 0x0400, 0xFF00, "CVTBW" , "" , 0 },
// 15
// MOV1 0/1
{ 0x0800, 0xFFF8, "MOV1" , "CY,s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0808, 0xFFF8, "MOV1" , "CY,f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0308, 0xFFF8, "MOV1" , "CY,A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0300, 0xFFF8, "MOV1" , "CY,X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0208, 0xFFF8, "MOV1" , "CY,PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0200, 0xFFF8, "MOV1" , "CY,PSWL.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0810, 0xFFF8, "MOV1" , "s.n,CY" , 0 }, // *** n -> B1,b2..b0
{ 0x0818, 0xFFF8, "MOV1" , "f.n,CY" , 0 }, // *** n -> B1,b2..b0
{ 0x0318, 0xFFF8, "MOV1" , "A.n,CY" , 0 }, // *** n -> B1,b2..b0
{ 0x0310, 0xFFF8, "MOV1" , "X.n,CY" , 0 }, // *** n -> B1,b2..b0
{ 0x0218, 0xFFF8, "MOV1" , "PSWH.n,CY" , 0 }, // *** n -> B1,b2..b0
{ 0x0210, 0xFFF8, "MOV1" , "PSWL.n,CY" , 0 }, // *** n -> B1,b2..b0
// AND1 2/3
{ 0x0820, 0xFFF8, "AND1" , "CY,s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0830, 0xFFF8, "AND1" , "CY,/s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0828, 0xFFF8, "AND1" , "CY,f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0838, 0xFFF8, "AND1" , "CY,/f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0328, 0xFFF8, "AND1" , "CY,A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0338, 0xFFF8, "AND1" , "CY,/A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0320, 0xFFF8, "AND1" , "CY,X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0330, 0xFFF8, "AND1" , "CY,/X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0228, 0xFFF8, "AND1" , "CY,PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0238, 0xFFF8, "AND1" , "CY,/PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0220, 0xFFF8, "AND1" , "CY,PSWL.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0230, 0xFFF8, "AND1" , "CY,/PSWL.n" , 0 }, // *** n -> B1,b2..b0
// OR1 4/5
{ 0x0840, 0xFFF8, "OR1" , "CY,s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0850, 0xFFF8, "OR1" , "CY,/s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0848, 0xFFF8, "OR1" , "CY,f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0858, 0xFFF8, "OR1" , "CY,/f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0348, 0xFFF8, "OR1" , "CY,A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0358, 0xFFF8, "OR1" , "CY,/A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0340, 0xFFF8, "OR1" , "CY,X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0350, 0xFFF8, "OR1" , "CY,/X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0248, 0xFFF8, "OR1" , "CY,PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0258, 0xFFF8, "OR1" , "CY,/PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0240, 0xFFF8, "OR1" , "CY,PSWL.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0250, 0xFFF8, "OR1" , "CY,/PSWL.n" , 0 }, // *** n -> B1,b2..b0
// XOR1 6
{ 0x0860, 0xFFF8, "XOR1" , "CY,s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0868, 0xFFF8, "XOR1" , "CY,f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0368, 0xFFF8, "XOR1" , "CY,A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0360, 0xFFF8, "XOR1" , "CY,X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0268, 0xFFF8, "XOR1" , "CY,PSWH.n", 0 }, // *** n -> B1,b2..b0
{ 0x0260, 0xFFF8, "XOR1" , "CY,PSWL.n", 0 }, // *** n -> B1,b2..b0
// SET1 8
{ 0xB000, 0xF800, "SET1" , "s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0888, 0xFFF8, "SET1" , "f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0388, 0xFFF8, "SET1" , "A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0380, 0xFFF8, "SET1" , "X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0288, 0xFFF8, "SET1" , "PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0280, 0xFFF8, "SET1" , "PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x4100, 0xF800, "SET1" , "CY" , 0 },
// CLR1 9
{ 0xA000, 0xF800, "CLR1" , "s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0898, 0xFFF8, "CLR1" , "f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0398, 0xFFF8, "CLR1" , "A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0390, 0xFFF8, "CLR1" , "X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0298, 0xFFF8, "CLR1" , "PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0290, 0xFFF8, "CLR1" , "PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x4000, 0xF800, "CLR1" , "CY" , 0 },
// NOT1 7
{ 0x0870, 0xFFF8, "NOT1" , "s.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0878, 0xFFF8, "NOT1" , "f.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0378, 0xFFF8, "NOT1" , "A.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0370, 0xFFF8, "NOT1" , "X.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0278, 0xFFF8, "NOT1" , "PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x0270, 0xFFF8, "NOT1" , "PSWH.n" , 0 }, // *** n -> B1,b2..b0
{ 0x4200, 0xF800, "NOT1" , "CY" , 0 },
// 16
{ 0x2800, 0xFF00, "CALL" , "w" , REFFLAG | CODEREF },
{ 0x0558, 0xFFF8, "CALL" , "p1" , 0 },
{ 0x0578, 0xFFF8, "CALL" , "[p1]" , 0 },
{ 0x9000, 0xF800, "CALLF", "c" , 0 }, //*** f = 0800 + 11 bit addr
{ 0xE000, 0xE000, "CALLT", "[t]" , 0 }, //*** t = B1,b4..b0 -> 0080..00FE
{ 0x5E00, 0xFF00, "BRK" , "" , 0 },
{ 0x5600, 0xFF00, "RET" , "" , LFFLAG },
{ 0x5F00, 0xFF00, "RETB" , "" , LFFLAG },
{ 0x5700, 0xFF00, "RETI" , "" , LFFLAG },
// 17
{ 0x07D9, 0xFFFF, "PUSH" , "s" , 0 },
{ 0x3500, 0xFF00, "PUSH" , "q" , 0 }, //*** q = post = reg list w/RP5
{ 0x4900, 0xFF00, "PUSH" , "PSW" , 0 },
{ 0x3700, 0xFF00, "PUSHU", "q" , 0 }, //*** q = post = reg list w/PSW
{ 0x07D8, 0xFFFF, "POP" , "s" , 0 },
{ 0x3400, 0xFF00, "POP" , "q" , 0 }, //*** q = post = reg list w/PSW
{ 0x4800, 0xFF00, "POP" , "PSW" , 0 },
{ 0x3600, 0xFF00, "POPU" , "q" , 0 }, //*** q = post = reg list w/PSW
{ 0x0BFC, 0xFFFF, "MOVW" , "SP,#w", 0 },
{ 0x13FC, 0xFFFF, "MOVW" , "SP,AX", 0 },
{ 0x11FC, 0xFFFF, "MOVW" , "AX,SP", 0 },
{ 0x05C8, 0xFFFF, "INCW" , "SP" , 0 },
{ 0x05C9, 0xFFFF, "DECW" , "SP" , 0 },
// 18
{ 0x07C8, 0xFFFF, "CHKL" , "f" , 0 },
{ 0x07C9, 0xFFFF, "CHKLA", "f" , 0 },
// 19
{ 0x2C00, 0xFF00, "BR" , "w" , LFFLAG | REFFLAG | CODEREF },
{ 0x0548, 0xFFF8, "BR" , "p1" , LFFLAG | REFFLAG | CODEREF }, //*** p1 -> rp1 in B2,b2..b0
{ 0x0568, 0xFFF8, "BR" , "[p1]" , LFFLAG | REFFLAG | CODEREF }, //*** p1 -> rp1 in B2,b2..b0
{ 0x1400, 0xFF00, "BR" , "e" , LFFLAG | REFFLAG | CODEREF },
// 20
{ 0x8300, 0xFF00, "BC" , "e" , 0 }, // BC / BL
{ 0x8200, 0xFF00, "BNC" , "e" , 0 }, // BNC / BNL
{ 0x8100, 0xFF00, "BZ" , "e" , 0 }, // BZ / BE
{ 0x8000, 0xFF00, "BNZ" , "e" , 0 }, // BNZ / BNE
{ 0x8500, 0xFF00, "BV" , "e" , 0 }, // BV / BPE
{ 0x8400, 0xFF00, "BNV" , "e" , 0 }, // BNV / BPO
{ 0x8700, 0xFF00, "BN" , "e" , 0 },
{ 0x8600, 0xFF00, "BP" , "e" , 0 },
{ 0x07FB, 0xFFFF, "BGT" , "e" , 0 },
{ 0x07F9, 0xFFFF, "BGE" , "e" , 0 },
{ 0x07F8, 0xFFFF, "BLT" , "e" , 0 },
{ 0x07FA, 0xFFFF, "BLE" , "e" , 0 },
{ 0x07FD, 0xFFFF, "BH" , "e" , 0 },
{ 0x07FC, 0xFFFF, "BNH" , "e" , 0 },
// BT
{ 0x7000, 0xF800, "BT", "s.n,e" , 0 }, //*** n -> B1,b2..b0
{ 0x08B8, 0xFFF8, "BT", "f.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03B8, 0xFFF8, "BT", "A.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03B0, 0xFFF8, "BT", "X.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x02B8, 0xFFF8, "BT", "PSWH.n,e", 0 }, //*** n -> B2,b2..b0
{ 0x02B0, 0xFFF8, "BT", "PSWL.n,e", 0 }, //*** n -> B2,b2..b0
// BF
{ 0x08A0, 0xFFF8, "BF", "s.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x08A8, 0xFFF8, "BF", "f.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03A8, 0xFFF8, "BF", "A.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03A0, 0xFFF8, "BF", "X.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x02A8, 0xFFF8, "BF", "PSWH.n,e", 0 }, //*** n -> B2,b2..b0
{ 0x02A0, 0xFFF8, "BF", "PSWL.n,e", 0 }, //*** n -> B2,b2..b0
// BTCLR
{ 0x08D0, 0xFFF8, "BTCLR", "s.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x08D8, 0xFFF8, "BTCLR", "f.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03D8, 0xFFF8, "BTCLR", "A.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03D0, 0xFFF8, "BTCLR", "X.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x02D8, 0xFFF8, "BTCLR", "PSWH.n,e", 0 }, //*** n -> B2,b2..b0
{ 0x02D0, 0xFFF8, "BTCLR", "PSWL.n,e", 0 }, //*** n -> B2,b2..b0
// BFSET
{ 0x08C0, 0xFFF8, "BFSET", "s.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x08C8, 0xFFF8, "BFSET", "f.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03C8, 0xFFF8, "BFSET", "A.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x03C0, 0xFFF8, "BFSET", "X.n,e" , 0 }, //*** n -> B2,b2..b0
{ 0x02C8, 0xFFF8, "BFSET", "PSWH.n,e", 0 }, //*** n -> B2,b2..b0
{ 0x02C0, 0xFFF8, "BFSET", "PSWL.n,e", 0 }, //*** n -> B2,b2..b0
// DBNZ
{ 0x3200, 0xFE00, "DBNZ" , "r2,e" , 0 },
{ 0x3B00, 0xFF00, "DBNZ" , "s,e" , 0 },
// 21
{ 0x05D8, 0xFFF8, "BRKCS" , "RBn" , 0 }, //*** n -> B2,b2..b0
{ 0x2900, 0xFF00, "RETCS" , "w" , 0 },
{ 0x09E0, 0xFFFF, "RETCSB", "w" , 0 },
// 22
{ 0x1500, 0xFFFF, "MOVM" , "[DE+],A" , 0 },
{ 0x1510, 0xFFFF, "MOVM" , "[DE-],A" , 0 },
{ 0x1520, 0xFFFF, "MOVBK" , "[DE+],[HL+]", 0 },
{ 0x1530, 0xFFFF, "MOVBK" , "[DE-],[HL-]", 0 },
{ 0x1501, 0xFFFF, "XCHM" , "[DE+],A" , 0 },
{ 0x1511, 0xFFFF, "XCHM" , "[DE-],A" , 0 },
{ 0x1521, 0xFFFF, "XCHBK" , "[DE+],[HL+]", 0 },
{ 0x1531, 0xFFFF, "XCHBK" , "[DE-],[HL-]", 0 },
{ 0x1504, 0xFFFF, "CMPME" , "[DE+],A" , 0 },
{ 0x1514, 0xFFFF, "CMPME" , "[DE-],A" , 0 },
{ 0x1524, 0xFFFF, "CMPBKE" , "[DE+],[HL+]", 0 },
{ 0x1534, 0xFFFF, "CMPBKE" , "[DE-],[HL-]", 0 },
{ 0x1505, 0xFFFF, "CMPMNE" , "[DE+],A" , 0 },
{ 0x1515, 0xFFFF, "CMPMNE" , "[DE-],A" , 0 },
{ 0x1525, 0xFFFF, "CMPBKNE", "[DE+],[HL+]", 0 },
{ 0x1535, 0xFFFF, "CMPBKNE", "[DE-],[HL-]", 0 },
{ 0x1507, 0xFFFF, "CMPMC" , "[DE+],A" , 0 },
{ 0x1517, 0xFFFF, "CMPMC" , "[DE-],A" , 0 },
{ 0x1527, 0xFFFF, "CMPBKC" , "[DE+],[HL+]", 0 },
{ 0x1537, 0xFFFF, "CMPBKC" , "[DE-],[HL-]", 0 },
{ 0x1506, 0xFFFF, "CMPMNC" , "[DE+],A" , 0 },
{ 0x1516, 0xFFFF, "CMPMNC" , "[DE-],A" , 0 },
{ 0x1526, 0xFFFF, "CMPBKNC", "[DE+],[HL+]", 0 },
{ 0x1536, 0xFFFF, "CMPBKNC", "[DE-],[HL-]", 0 },
// 23
{ 0x09C0, 0xFFFF, "MOV" , "STBC,#w", 0 }, //*** w -> b, !b
{ 0x09C2, 0xFFFF, "MOV" , "WDM,#w" , 0 },
{ 0x4300, 0xFF00, "SWRS" , "" , 0 },
{ 0x05A8, 0xFFF8, "SEL" , "RBn" , 0 }, //*** n -> B2,b2..b0
{ 0x05B8, 0xFFF8, "SEL" , "RBn,ALT", 0 },
{ 0x0000, 0xFF00, "NOP" , "" , 0 },
{ 0x4B00, 0xFF00, "EI" , "" , 0 },
{ 0x4A00, 0xFF00, "DI" , "" , 0 },
// all "mem" instructions need to go at the end
// because they don't use all possible matching opcodes
{ 0x5800, 0xF800, "MOV" , "A,m1" , 0 }, // deferred to avoid 5E/5F
{ 0x5000, 0xF800, "MOV" , "m1,A" , 0 }, // deferred to avoid 56/57
{ 0x0000, 0xE08F, "MOV" , "A,m" , 0 },
{ 0x0080, 0xE08F, "MOV" , "m,A" , 0 },
{ 0x0004, 0xE08F, "XCH" , "A,m" , 0 },
{ 0x0001, 0xE08F, "MOVW" , "AX,m" , 0 },
{ 0x0081, 0xE08F, "MOVW" , "m,AX" , 0 },
{ 0x0005, 0xE08F, "XCHW" , "AX,m" , 0 },
{ 0x0008, 0xE08F, "ADD" , "A,m" , 0 },
{ 0x0088, 0xE08F, "ADD" , "m,A" , 0 },
{ 0x0009, 0xE08F, "ADDC" , "A,m" , 0 },
{ 0x0089, 0xE08F, "ADDC" , "m,A" , 0 },
{ 0x000A, 0xE08F, "SUB" , "A,m" , 0 },
{ 0x008A, 0xE08F, "SUB" , "m,A" , 0 },
{ 0x000B, 0xE08F, "SUBC" , "A,m" , 0 },
{ 0x008B, 0xE08F, "SUBC" , "m,A" , 0 },
{ 0x000C, 0xE08F, "AND" , "A,m" , 0 },
{ 0x008C, 0xE08F, "AND" , "m,A" , 0 },
{ 0x000E, 0xE08F, "OR" , "A,m" , 0 },
{ 0x008E, 0xE08F, "OR" , "m,A" , 0 },
{ 0x000D, 0xE08F, "XOR" , "A,m" , 0 },
{ 0x008D, 0xE08F, "XOR" , "m,A" , 0 },
{ 0x000F, 0xE08F, "CMP" , "A,m" , 0 },
{ 0x008F, 0xE08F, "CMP" , "m,A" , 0 },
{ 0 , 0 , "" , "" , 0 },
};
static const char *m16[] = {
"[DE+]", "[HL+]", "[DE-]", "[HL-]", "[DE]", "[HL]", "[VP]", "[UP]"
};
static const char *m17[] = {
"[DE+A]", "[HL+A]", "[DE+B]", "[HL+B]", "[VP+DE]", "[VP+HL]", "?", "?"
};
static const char *m06[] = {
"[DE+", "[SP+", "[HL+", "[UP+", "[VP+", "?", "?", "?"
};
static const char *m0A[] = {
"[DE]", "[A]", "[HL]", "[B]", "?", "?", "?", "?"
};
// =====================================================
int Dis78K3::dis_line(addr_t addr, char *opcode, char *parms, int &lfref, addr_t &refaddr)
{
addr_t ad;
addr_t ra;
int i;
// int n;
// int d = 0;
InstrPtr instr; instr = NULL;
char *p, *l;
char s[256];
// get first byte of instruction
ad = addr;
int op = (ReadByte(ad) << 8) | ReadByte(ad+1);
int len = 1;
ad++;
// get instruction information
instr = FindInstr(opcdTable_78K3, op);
if (instr && (instr->mask & 0x00FF)) {
// eat second byte if two-byte opcode
ad++;
len++;
} else {
// shift down register bits if one-byte opcode
op >>= 8;
}
if (instr) {
// handle opcode according to instruction type
strcpy(opcode, instr->op);
strcpy(parms, instr->parms);
lfref = instr->lfref;
refaddr = 0;
// handle substitutions
p = s;
*p = 0;
l = parms;
while (*l && len) {
switch (*l) {
// === 8-bit byte ===
case 'b':
i = ReadByte(ad++);
len++;
H2Str(i, p);
p += strlen(p);
break;
// === 16-bit word which might be an address ===
case 'w':
ra = ReadWord(ad);
ad += 2;
len += 2;
RefStr(ra, p, lfref, refaddr);
p += strlen(p);
break;
// == relative branch ==
case 'e': // 8-bit relative
i = ReadByte(ad++);
len++;
if (i >= 128) { // sign-extend
i = i - 256;
}
ra = (ad + i) & 0xFFFF;
RefStr(ra, p, lfref, refaddr);
p += strlen(p);
lfref |= REFFLAG | CODEREF;
break;
// == CALLT ==
case 't':
ra = (op & 0x3E) + 0x0080;
RefStr(ra, p, lfref, refaddr);
p += strlen(p);
lfref |= REFFLAG | CODEREF;
break;
// == CALLF ==
case 'c': // 11 bit address
ra = 0x0800 | ((op & 0x70) << 4) | ReadByte(ad++);
len++;
RefStr(ra, p, lfref, refaddr);
p += strlen(p);
lfref |= REFFLAG | CODEREF;
break;
// === r ===
case 'r':
switch (*(l+1)) {
default: // r: R0..R15
i = (op >> 4) & 0x07;
sprintf(p, "R%d", i);
p += strlen(p);
break;
case '1': // r1
l++;
i = op & 0x07;
sprintf(p, "R%d", i);
p += strlen(p);
break;
case '2': // r2
l++;
*p++ = "CB"[op & 1];
break;
}
break;
// == saddr == refers to address range FE20-FF1F
case 's':
i = ReadByte(ad++);
len++;
#if 0
switch (i) {
#if 0
// these are the ones that I have found documented
case 0x1C:
strcat(p,"SP");
break;
case 0x1E:
strcat(p,"PSW");
break;
#endif
default:
strcat(p, "saddr:");
p += strlen(p);
if (i < 0x20) {
i += 256; // adjust for wraparound
}
ra = 0xFE20 + i;
RefStr(ra, p, lfref, refaddr);
break;
}
#else
sprintf(p, "s%.2X", i);
#endif
p += strlen(p);
break;
// == sfr == refers to address range FF00-FFFF
case 'f':
i = ReadByte(ad++);
len++;
#if 0
strcat(p, "sfr:");
if (i < 0x20) {
i += 256; // adjust for wraparound
}
ra = 0xFF00 + i;
RefStr(ra, p, lfref, refaddr);
#else
sprintf(p, "f%.2X", i);
#endif
p += strlen(p);
break;
// == rp ==
case 'p':
switch (*(l+1)) {
default: // rp: R0..R15
i = (op >> 5) & 0x07;
sprintf(p, "RP%c", i + '0');
p += strlen(p);
break;
case '1': // rp1
l++;
i = op & 0x07;
sprintf(p, "RP%c", "04152637"[i]);
p += strlen(p);
break;
case '2': // rp2
l++;
i = op & 0x03;
*p++ = "VUDH"[i]; // VP UP DE HL
*p++ = "PPEL"[i];
break;
}
break;
// == shift/rotate count ==
case 'h':
i = (op >> 3) & 0x07;
*p++ = '0' + i;
break;
// == bit number from instr ==
case 'n':
i = op & 0x07;
*p++ = '0' + i;
break;
// == push/pop regs ==
// op bit 0x02 = PUSHU/POPU
// op bit 0x01 = PUSH/PUSHU
// pop low to high, push high to low
case 'q':
i = ReadByte(ad++);
len++;
if (!i) {
strcat(p, "(no regs)");
} else {
bool comma = false;
for (int bit = 0; bit < 8; bit++) {
if (i & (1 << bit)) {
if (comma) {
*p++ = ',';
}
if ((i == 5) && (op & 0x02)) {
sprintf(p, "PSW");
} else {
sprintf(p, "R%d", bit);
}
comma = true;
}
p += strlen(p);
}
}
break;
// == mem modes ==
case 'm':
const char *q;
switch (*(l+1)) {
default: // general 'mem' case
// mode = B1 bits 4..0, 16 17 06 0A only
// mem = B2 bits 6..4
q = 0;
switch ((op >> 8) & 0x1F) {
case 0x16: // register indirect
q = m16[(op >> 4) & 0x07];
strcat(p, q);
break;
case 0x17: // base indexed
q = m17[(op >> 4) & 0x07];
strcat(p, q);
break;
case 0x06: // based (plus a byte)
q = m06[(op >> 4) & 0x07];
i = ReadByte(ad++);
len++;
strcat(p, q);
p += strlen(p);
H2Str(i, p); // add byte index
strcat(p, "]");
break;
case 0x0A: // indexed (with a word)
q = m0A[(op >> 4) & 0x07];
i = ReadWord(ad);
i += 2;
len++;
H4Str(i, p); // add word index
strcat(p, m0A[(op >> 4) & 0x07]);
break;
default:
break;
}
p += strlen(p);
if (!q) {
opcode[0] = 0; // invalid
}
break;
case '1': // short 'mem' case
l++;
strcat(p, m16[op & 0x07]);
if (!*p) {
opcode[0] = 0; // invalid
}
break;
}
p += strlen(p);
break;
default:
*p++ = *l;
break;
}
*p = 0;
l++;
}
strcpy(parms, s);
}
// invalid instruction handler, including the case where it ran out of bytes
if (opcode==NULL || opcode[0]==0 || rom.AddrOutRange(addr)) {
strcpy(opcode, "???");
H2Str(ReadByte(addr), parms);
len = 0; // illegal instruction
lfref = 0;
refaddr = 0;
}
return len;
}