ULONG ParseIntOp(PUCHAR inString,
PUCHAR *outString,
POPTBLENTRY pEntry,
PULONG poffset)
{
ULONG instruction;
ULONG Ra, Rb, Rc;
ULONG lit;
ULONG Format; // Whether there is a literal or 3rd reg
instruction = OPCODE(pEntry->opCode) +
OP_FNC(pEntry->funcCode);
Ra = GetIntReg(inString, &inString);
if (!TestCharacter(inString, &inString, ','))
error(OPERAND);
if (TestCharacter(inString, &inString, '#')) {
//
// User is giving us a literal value
lit = GetValue(inString, &inString, TRUE, WIDTH_LIT);
Format = RBV_LITERAL_FORMAT;
} else {
//
// using a third register value
Rb = GetIntReg(inString, &inString);
Format = RBV_REGISTER_FORMAT;
}
if (!TestCharacter(inString, &inString, ','))
error(OPERAND);
Rc = GetIntReg(inString, &inString);
if (!TestCharacter(inString, &inString, '\0'))
error(EXTRACHARS);
instruction = instruction +
REG_A(Ra) +
RBV_TYPE(Format) +
REG_C(Rc);
if (Format == RBV_REGISTER_FORMAT) {
instruction = instruction + REG_B(Rb);
} else {
instruction = instruction + LIT(lit);
}
return(instruction);
}
REG_MPTR(cen, 0x17),
/* Build a pc register. */
#define REG_PC(NAME, N) REG(NAME, N, CRX_PC_REGTYPE)
REG_PC(pc, 0x0)
};
const int crx_num_regs = ARRAY_SIZE (crx_regtab);
const reg_entry crx_copregtab[] =
{
/* Build a Coprocessor register c<N>. */
#define REG_C(N) REG(CONCAT2(c,N), N, CRX_C_REGTYPE)
REG_C(0), REG_C(1), REG_C(2), REG_C(3),
REG_C(4), REG_C(5), REG_C(6), REG_C(7),
REG_C(8), REG_C(9), REG_C(10), REG_C(11),
REG_C(12), REG_C(13), REG_C(14), REG_C(15),
/* Build a Coprocessor Special register cs<N>. */
#define REG_CS(N) REG(CONCAT2(cs,N), N, CRX_CS_REGTYPE)
REG_CS(0), REG_CS(1), REG_CS(2), REG_CS(3),
REG_CS(4), REG_CS(5), REG_CS(6), REG_CS(7),
REG_CS(8), REG_CS(9), REG_CS(10), REG_CS(11),
REG_CS(12), REG_CS(13), REG_CS(14), REG_CS(15)
};
const int crx_num_copregs = ARRAY_SIZE (crx_copregtab);
