
MOVEU.B
SC140 DSP Core Reference Manual A-309
Instruction Formats and Opcodes
Instruction Fields
DR HHHH Data/Address Register
ea MM Effective Address Notation
Rn RRR Address Register
Instruction Words Cycles Type Opcode
15 8 7 0
MOVEU.B (a16),DR 2 1 3 0001HHHHAAA01100
100AAAAAAAAAAAAA
15 8 7 0
MOVEU.B (a32),DR 3 1 3 0000HHHHAAAaa101
001AAAAAAAAAAAAA
10aaaaaaaaaaaaaa
15 8 7 0
MOVEU.B (Rn+s15),DR 2 2 3 0001HHHH0 s s 1 0RRR
100sssssssssssss
15 8 7 0
MOVEU.B (ea),DR 11
1
Note 1: When the form (Rn + N0) is used in ea, the cycle count is increased by 1.
4 1001HHHH1 0 1MMRRR
15 8 7 0
MOVEU.B (SP+s15),DR 2 2 3 0001HHHH0 s s 11100
100sssssssssssss
0000 D0 0100 D4 1000 R0 1100 R4
0001 D1 0101 D5 1001 R1 1101 R5
0010 D2 0110 D6 1010 R2 1110 R6
0011 D3 0111 D7 1011 R3 1111 R7
Note: This instruction can specify D8-D15 or R8-R15 as operands by using a high register prefix.
00
(
Rn)+
01
(Rn)–
10
(Rn+N0)
11
(Rn)
000 R0 010 R2 100 R4 110 R6
001 R1 011 R3 101 R5 111 R7
Note: This instruction can specify R8-R15 as operands by using a high register prefix.
a16 AAAAAAAAAAAAAAAA 16-bit unsigned absolute address
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