Stereo System User Manual

A - 64 DSP96002 USER’S MANUAL MOTOROLA
Instruction Fields:
<ea> Rn - R0-R7 (Memory alterable addressing modes only)
Immediate Short Data - bbbbb (5 bits)
Absolute Short Address - aaaaaaa (7 bits)
I/O Short Address - ppppppp (7 bits)
Instruction Format: BTST #bit,S
aa 110S 000b bbbb
31 14 13 0
PC RELATIVE DISPLACEMENT
0000 0010 0110 0aaa aa
00 110S 000b bbbb
31 14 13 0
OPTIONAL EFFECTIVE ADDRESS EXTENSION
0000 0010 0100 MMMR
pp 110S 000b bbbb
31 14 13 0
PC RELATIVE DISPLACEMENT
0000 0010 0110 1ppp pp
d0 1100 000b bbbb
31 14 13 0
PC RELATIVE DISPLACEMENT
0000 0010 0111 dddd dd
Memory Space S
X Memory 0
Y Memory 1
Bit Number b b b b b
Bit 0-31 n n n n n where nnnnn = 0-31
Instruction Format: BTST #bit,X: ea
BTST #bit,Y: ea
Instruction Format: BTST #bit,X: pp
BTST #bit,Y: pp
Instruction Format: BTST #bit,X: aa
BTST #bit,Y: aa