28) Referring to figure 4-8 and table 4-8, write the machine equivalent of SBIS PINB, 3.

SBIS (Skip if Bit in VO register Set) To monitor the status of a single bit for HIGH, we use the SBIS instruction. This instruction tests the bit and skips the next instruction if it is HIGH. See Figure 4-8. Example 4-4 shows how it is used. SBIS a,b 1001 1011 aaaa abbb 0 Sa S 31 Figure 4-8. SBIs (Skip lf Bit in 10 Register Set) Instruction Format SBIS (Skip if Bit in VO register Set) To monitor the status of a single bit for HIGH, we use the SBIS instruction. This instruction tests the bit and skips the next instruction if it is HIGH. See Figure 4-8. Example 4-4 shows how it is used. SBIS a,b 1001 1011 aaaa abbb 0 Sa S 31 Figure 4-8. SBIs (Skip lf Bit in 10 Register Set) Instruction Format