static inline char * DESCRIBE_SRC_DST(char *s, UINT8 reg, const char *regname, op_src_dst_t src_dst) {
switch (src_dst) {
case es5510_device::SRC_DST_REG:
return DESCRIBE_REG(s, reg, regname);
case es5510_device::SRC_DST_DELAY:
return stpcpy_int(s, "Delay");
case es5510_device::SRC_DST_BOTH:
s = DESCRIBE_REG(s, reg, regname);
return stpcpy_int(s, ",Delay");
}
// should never happen!
return s;
}
static inline char * DESCRIBE_REG(char *s, UINT8 r, const char *name) {
if (name && *name) {
return s + sprintf(s, "%s/%s", REGNAME(r), name);
} else {
return stpcpy_int(s, REGNAME(r));
}
}
static inline char * DESCRIBE_REG(char *s, uint8_t r, const char *name) {
if (name && *name) {
return s + sprintf(s, "%s/%s", REGNAME(r), name);
} else {
return stpcpy_int(s, REGNAME(r));
}
// never executed
//return 0;
}
static inline char * DESCRIBE_ALU(char *s, UINT8 opcode, UINT8 aReg, UINT8 bReg, const op_select_t &opSelect) {
const alu_op_t &op = es5510_device::ALU_OPS[opcode];
switch (op.operands) {
case 0:
return stpcpy_int(s, op.opcode);
case 1:
s += sprintf(s, "%s %s >", op.opcode, REGNAME(bReg));
return DESCRIBE_SRC_DST(s, aReg, opSelect.alu_dst);
case 2:
s += sprintf(s, "%s %s,", op.opcode, REGNAME(bReg));
s = DESCRIBE_SRC_DST(s, aReg, opSelect.alu_src);
s += sprintf(s, " >");
return DESCRIBE_SRC_DST(s, aReg, opSelect.alu_dst);
}
return s;
}
static inline char * DESCRIBE_ALU(char *s, uint8_t opcode, uint8_t aReg, const char *aName, uint8_t bReg, const char *bName, const op_select_t &opSelect) {
const alu_op_t &op = es5510_device::ALU_OPS[opcode];
switch (op.operands) {
case 0:
return stpcpy_int(s, op.opcode);
case 1:
s += sprintf(s, "%s ", op.opcode);
s = DESCRIBE_SRC_DST(s, bReg, bName, opSelect.alu_src);
s += sprintf(s, " >");
return DESCRIBE_SRC_DST(s, aReg, aName, opSelect.alu_dst);
case 2:
s += sprintf(s, "%s ", op.opcode);
s = DESCRIBE_SRC_DST(s, aReg, aName, opSelect.alu_src);
s += sprintf(s, " ");
s = DESCRIBE_REG(s, bReg, bName);
s += sprintf(s, " >");
return DESCRIBE_SRC_DST(s, aReg, aName, opSelect.alu_dst);
}
return s;
}
static inline char * DESCRIBE_REG(char *s, UINT8 r) {
return stpcpy_int(s, REGNAME(r));
}
