Artesyn BajaPPC-750, User Manual

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Standard Artesyn Functions 10-57
0002M621-15
10.15.12 Interrupt Error
SYNOPSIS
void IntrErr(unsigned char Vector)
DESCRIPTION
When an unexpected interrupt is received, it is necessary to remove the error
condition before returning to the monitor. This function is called from the
low-level interrupt service routine, which parses the interrupt record for the
address and the vector associated with the interrupt. The device is dealt with
accordingly, and the monitor is resumed.
Because the interrupt condition might be a program that continually gener-
ates exceptions, it is necessary to abort the program and return directly to the
monitor level. This is done by calling the function
RestartMon , which
causes the processor to return to the line editor.
10.15.13 Legal Value Check
SYNOPSIS
void IsLegal(unsigned char Type, char *Str)
DESCRIPTION
This function is used to determine if the specified character string Str contains
legal values to allow the string to be parsed as decimal, hex, uppercase, or
lowercase. The function
IsLegal traverses the character string until a NULL is
reached. Each character is verified according to the Type argument.
The effects of specifying each type are described below:
If the character string contains legal characters, this function returns TRUE;
otherwise, it returns FALSE. The string equivalent of the character functions
isalpha(), isupper(), islower(), and isdigit() can be constructed from this func-
tion, which deals with the entire string instead of a single character.
Table 10-6. IsLegal Function Types
Type Value Legal Characters
DECIMAL 0x8 0 - 9
HEX 0x4 0 - 9, A - F, a - f
UPPER 0x2 A - Z
LOWER 0x1 a - z
ALPHA 0x3 A - Z, a - z