Texas Instruments TMS320C67X/C67X+ DSP Car Speaker User Manual


 
Opcode Map Symbols and Meanings
C-3.D Unit Instructions and Opcode MapsSPRU733
C.2 Opcode Map Symbols and Meanings
Table C2 lists the symbols and meanings used in the opcode maps.
Table C2. .D Unit Opcode Map Symbol Definitions
Symbol Meaning
baseR base address register
creg 3-bit field specifying a conditional register
dst destination. For compact instructions, dst is coded as an offset from either A16 or B16
depending on the value of the t bit.
mode addressing mode, see Table C3
offsetR register offset
op opfield; field within opcode that specifies a unique instruction
p parallel execution; 0 = next instruction is not executed in parallel, 1 = next instruction is
executed in parallel
r LDDW instruction
s side A or B for destination; 0 = side A, 1 = side B. For compact instructions, side of base ad-
dress (ptr) register; 0 = side A, 1 = side B.
src source. For compact instructions, src is coded as an offset from either A16 or B16 depending
on the value of the t bit.
src1 source 1
src2 source 2
x cross path for src2; 0 = do not use cross path, 1 = use cross path
y .D1 or .D2 unit; 0 = .D1 unit, 1 = .D2 unit
z
test for equality with zero or nonzero