Z80180 Datasheet, PDF (250/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
234
Table 46. I/O Instructions (Continued)
Operation
Name Mnemonics
OTIMR**
Addressing
Op Code Immed Ext Ind Reg RegI Imp Rel Bytes States
11 101 101
10 010 011
S
D2
16 (Br ≠ 0)
14 (Br = 0) _Q
Flags
7 6 42 1 0
Operation
S Z H P/V N C
(HL)_M→ (00C)_I R S R S ↑ R
HL_R + 1→ HL_R
Cr + 1→ Cr
Br-1→ Br
OUTD
11 101 101
10 101 011
(5) Z = 1 : Br-1 = 0
Z = 0 : Br-1 ≠ 0
(6) N = 1: MSB of Data = 1
N = 0 : MSB of Data = 0
S D 2 12
Repeat Q until
Br = 0
Cr→ A0~A7
00→ A8~A16
(HL)_M→ (BC)₁
HL_R-1→ Η L_R
Br-1→ Br
Cr→ A0~A7
Br→ A8~A16
(5)
(6)
X ↑ XX ↑ X
UM005001-ZMP0400