src/cmd/t8.s (TMG): add opcode comments extraced from sys/sop.s

src/cmd/t8.s

@@ -4,50 +4,50 @@
 " no iot ops are defined
 " system cal entries are defined
 "
-dac = 0040000
+dac = 0040000		" MEM: deposit AC
-jms = 0100000
+jms = 0100000		" MEM: jump to subroutine
-dzm = 0140000
+dzm = 0140000		" MEM: deposit zero to memory
-lac = 0200000
+lac = 0200000		" MEM: load AC
-xor = 0240000
+xor = 0240000		" MEM: XOR with AC
-add = 0300000
+add = 0300000		" MEM: one's complement add
-tad = 0340000
+tad = 0340000		" MEM: two's complement add
-xct = 0400000
+xct = 0400000		" MEM: execute
-isz = 0440000
+isz = 0440000		" MEM: increment and skip if zero
-and = 0500000
+and = 0500000		" MEM: AND
-sad = 0540000
+sad = 0540000		" MEM: skip if AC different
-jmp = 0600000
+jmp = 0600000		" MEM: jump
-eae = 0640000
+eae = 0640000		" Extended Arithmetic Element
-i = 020000
+i = 020000		" indirect
-opr = 0740000
+opr = 0740000		" Operator (bit encoded)
-law = opr i
+law = opr i		" OPR: load accumulator with (instr)
-cma = opr 1
+cma = opr 1		" OPR: complement AC
-cml = opr 2
+cml = opr 2		" OPR: complement LINK
-ral = opr 010
+ral = opr 010		" OPR: rotate AC left
-rar = opr 020
+rar = opr 020		" OPR: rotate AC right
-sma = opr 0100
+sma = opr 0100		" OPR: skip on minus AC
-sza = opr 0200
+sza = opr 0200		" OPR: skip on zero AC
-snl = opr 0400
+snl = opr 0400		" OPR: skip on non-zero link
-skp = opr 01000
+skp = opr 01000		" OPR: skip unconditionally
-spa = opr 01100
+spa = opr 01100		" OPR: skip on positive AC
-sna = opr 01200
+sna = opr 01200		" OPR: skip on non-zero AC
-szl = opr 01400
+szl = opr 01400		" OPR: skip on zero link
-cll = opr 04000
+cll = opr 04000		" OPR: clear link
-cla = opr 010000
+cla = opr 010000	" OPR: clear AC
-las = opr 010004
+las = opr 010004	" OPR: load AC from switches
-lrs = eae 0500
+lrs = eae 0500		" EAE: long right shift
-lrss = i lrs
+lrss = i lrs		" EAE: long right shift, signed
-lls = eae 0600
+lls = eae 0600		" EAE: long left shift
-llss = i lls
+llss = i lls		" EAE: long left shift, signed
-als = eae 0700
+als = eae 0700		" EAE: AC left shift
-alss = i als
+alss = i als		" EAE: AC left shift, signed
-lacq = eae 01002
+lacq = eae 01002	" EAE: load AC with MQ
-lacs = eae 01001
+lacs = eae 01001	" EAE: load AC with SC (not used)
-clq = eae 010000
+clq = eae 010000	" EAE: clear MQ
-omq = eae 2
+omq = eae 2		" EAE: OR MQ into AC
-cmq = eae 4
+cmq = eae 4		" EAE: complement MQ
-lmq = eae 012000
+lmq = eae 012000	" EAE: load MQ from AC
 
-sys = i
+sys = i			" CAL instruction w/ indirect bit
 save = 1
 open = 3
 read = 4