/*
    encoding
    https://codeabbey.github.io/heavy-data-1/msc-4-asm-manual-1973.pdf this pdf serves as insperation to the encoding syntax format using by the parser

    only word BEFORE the colon shall be recognised, the rest shall be counted as if it where a comment
    x shall count as 0 or 1
*/
#P:
    0P: r0:r1
    1P: r2:r3
    2P: r4:r5
    3P: r6:r7
    4P: r8:r9
    5P: r10:r11
    6P: r12:r13
    7P: r14:r15
RP:
    000:0P
    001:1P
    010:2P
    011:3P
    100:4P
    101:5P
    110:6P
    111:7P
REG:
    0000:r0
    0001:r1
    0010:r2
    0011:r3
    0100:r4
    0101:r5
    0110:r6
    0111:r7
    1000:r8
    1001:r9
    1010:r10
    1011:r11
    1100:r12
    1101:r13
    1110:r14
    1111:r15
xx:
    00:ADD
    01:SUB
    10:LD
    11:XCH
xxxx:
    0000:CLR
    0001:CLC
    0010:IAC
    0011:CMC
    0100:CMA
    0101:RAL
    0110:RAR
    0111:TCC
    1000:DAC
    1001:TCS
    1010:STC
    1011:DAA
    1100:KBP
CN:
  //1xxx: invert all other jump conditions
  // [] represent a muli-match parse, in where the same string can be matched multiple times without terminating to next rule after a single match
    
    0xx1: none //jump if test signal of 4004 is = 0
   [1xx1]: none //jump if test signal of 4004 is = 1
   [0x1x]: none //jump if carry bit = 1
   [1x1x]: none //jump if carry bit = 0
   [01xx]: none //jump if accumulator = 0
   [11xx]: none //jump if accumulator != 0
OP:
    0000:WRM
    0001:WMP
    0010:WRR
    0011:WPM
    0100:WR0
    0101:WR1
    0110:WR2
    0111:WR3
    1000:SBM
    1001:RDM
    1010:RDR
    1011:ADM
    1100:RD0
    1101:RD1
    1110:RD2
    1111:RD3

//     /* consecutive sequence will be concated
//     * example:
//     * |DATA|DATA|
//     * assuming DATA is 4 bits long
//     * indicates DATA takes up 8 bits
//     */
    
DATA:
	xxxx:DATA
ADDR:
	xxxx:ADDR
	
	/*
	
	| does nothing and can act as a visual seperator to help visualize the structure of an encoding's binary layout *
	
	$...{} represents variable placement based action code
	both #num and $name can be used to reference the position of an action code
	${name#num} represents a $name that occurs more than once in the same rule, where #num indicates the occurence number of $name to act upon
	can be concated via $ or # to specify multiple places where the following rule should be placed
	
	
	FIN: |0011|RP|0|				$FIN$0011$0			{ puts($$.name); } $RP{ puts($$.content); }
	FIN: |0011|RP|0|				$FIN $0011 $0			{ puts($$.name); } $RP{ puts($$.content); }
	FIN: |0011|RP|0|				$FIN${0011#0}$0		{ puts($$.name); } $RP{ puts($$.content); }
	FIN: |0011|RP|0|				$FIN
									$
									{
										0
										0
										1
										1
										#
										0
									}
									#
									3
									{ puts($$.name); } $RP{ puts($$.content); }
	FIN: |0011|RP|0|				#0#1#3				{ puts($$.name); } $RP{ puts($$.content); }
	FIN: |0011|RP|0|				#0 #1 #3				{ puts($$.name); } $RP{ puts($$.content); }
	FIN: |0011|RP|0|				$FIN				{ puts($$.name); } $0011{ puts($$.name); } $RP{ puts($$.content); } $0{ puts($$.name); }
	FIN: |0011|RP|0|				$FIN{ puts($$.name); } ${0011#0}{ puts($$.name); } $RP{ puts($$.content); } $0{ puts($$.name); }
	FIN: |0011|RP|0|				#0{ puts($$.name); } #1{ puts($$.name); } #2{ puts($$.content); } #3{ puts($$.name); }
	FIN: |0011|RP|0|				#0{ puts($$.name); } $0011{ puts($$.name); } $RP{ puts($$.content); } #3{ puts($$.name); }
	all of these are equivilant to
	FIN { puts($$.name); } : |0011 { puts($$.name); } |RP { puts($$.content); } |0 { puts($$.name); } |
	
	
	FIM: |0010|RP|0|DATA|DATA|		${DATA#0} {DATA1}
									${DATA#1} {DATA2}
									${DATA#0}$FIM {ECHO}
	is equivilant to
	FIM {ECHO}: |0010|RP|0|DATA {DATA1} {ECHO} |DATA {DATA2}|
	
	*/
	
FIN1: |0011|RP|0|
	   $0011 {
printf("a->contents = 0011, regexEngineb_bits = %s\n", regexEngineb_bits);
puts("FIN1 ");
}

		   $RP {
puts("RP ");
}
FIN2: |0011|RP|1|
	   $0011 {
printf("a->contents = 0011, regexEngineb_bits = %s\n", regexEngineb_bits);
puts("FIN1 ");
}

		   $RP {
puts("RP ");
}
JCN: |0001|CN  |ADDR|ADDR|
	 $0001 {
printf("a->contents = 0001, regexEngineb_bits = %s\n", regexEngineb_bits);
puts("JCN ");
}
		  $CN {
puts("CN");
		}
			  ${ADDR#0}
				   ${ADDR#1} {
printf("a->contents = xxxx, regexEngineb_bits = %s\n", regexEngineb_bits);
			}