INT 2C P - Cloaking v1.01 - "Issue_System_Modal_Message"
	AX = 0013h
	EDX = message box flags (see #02564)
	DS:ECX -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. message text
	DS:EDI -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. caption
Return: CF clear
	EAX = response code
Note:	this function is only available while MS Windows is running in enhanced
	  mode
SeeAlso: AX=000Fh,AX=0012h


Bitfields for message box flags:
Bit(s)	Description	(Table 02564)
 3-0	response codes (see #02565)
 7-4	icon codes
	1 = Warning hand
	2 = exclamation mark
	4 = asterisk
 9-8	default response (0 = first button, 1 = second, 2 = third)
 12	message is system model
 15	don't change focus
 29	hang with interrupts enabled
 30	do not window
 31	execute ASAP


(Table 02565)
Values for response codes:
 00h	OK
 01h	OK, Cancel
 02h	Abort, Retry, Ignore
 03h	Yes, No, Cancel
 04h	Yes, No
 05h	Retry, Cancel