Freescale Semiconductor StarCore SC140 - Manual (Page 408)

A-94 SC140 DSP Core Reference Manual
BMTSTS
BMTSTS
Bit-Masked Test a
BMTSTS
16-Bit Operand If Set (BMU)
Description
These operations use an unsigned 16-bit immediate data mask to determine if all selected bits in an
operand are set. If all the selected bits are set, the T bit is set; if not, the T bit is cleared.
Status and Conditions Changed by Instruction
Operation Assembler Syntax
if (#u16 & ~C1.H = $0000), then 1
→ T, else 0 → T
BMTSTS #u16,C1.H {0
≤ u16 < 2 16
}
if (#u16 & ~C1.L = $0000), then 1
→ T, else 0 → T
BMTSTS #u16,C1.L {0
≤ u16 < 2 16
}
if (#u16 & ~DR.H = $0000), then 1
→ T, else 0 → T
BMTSTS #u16,DR.H {0
≤ u16 < 2 16
}
if (#u16 & ~DR.L = $0000), then 1
→ T, else 0 → T
BMTSTS #u16,DR.L {0
≤ u16 < 2 16
}
BMTSTS #u16,C1.H
Tests selected bits in the HP contents of a control register (C1).
BMTSTS #u16,C1.L
Tests selected bits in the LP contents of a control register (C1).
BMTSTS #u16,DR.H
Tests selected bits in the HP contents of a data or address register (DR).
BMTSTS #u16,DR.L
Tests selected bits in the LP contents of a data or address register (DR).
Register Address Bit Name Description
SR[1] T Set if all the bits selected by the mask are set, cleared otherwise.