4250 Datasheet, PDF (37/59 Pages) Energizer – Industrial Rubber Light

MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MACHINE INSTRUCTIONS
Parameter
Instruction code
Mnemonic
Hexadecimal
Type of
instructions
D8 D7 D6 D5 D4 D3 D2 D1 D0 _notation
TAB
0 0 0 0 1 1 1 1 0 01 E 1
1 (A) ← (B)
Function
TBA
0 0 0 0 0 1 1 1 0 0 0 E 1 1 (B) ← (A)
TAY
0 0 0 0 1 1 1 1 1 0 1 F 1 1 (A) ← (Y)
TYA
0 0 0 0 0 1 1 0 0 0 0 C 1 1 (Y) ← (A)
TEAB
0 0 0 0 1 1 0 1 0 0 1 A 1 1 (E7–E4) ← (B) (E3–E0) ← (A)
TABE
0 0 0 1 0 1 0 1 0 0 2 A 1 1 (B) ← (E7–E4) (A) ← (E3–E0)
TDA
0 0 0 1 0 1 0 0 1 0 2 9 1 1 (DR2–DR0) ← (A2–A0)
LXY x, y 0 1 1 x1 x0 y3 y2 y1 y0 0 C y 1
+x
1 (X) ← x, x = 0 to 3
(Y) ← y, y = 0 to 15
INY
0 0 0 0 1 0 0 1 1 0 1 3 1 1 (Y) ← (Y) + 1
DEY
0 0 0 0 1 0 1 1 1 0 1 7 1 1 (Y) ← (Y) – 1
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