W742E Datasheet, PDF (14/60 Pages) Winbond – 4 BIT MICROCONTROLLER

W742E/C811
CALL SUB_A
3. Conditional JMP
Bit 13-0 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PC
0 0 0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
jmp into the same page
Example:
JB0
JB1
JB2
JB3
JZ
JNZ
JC
JNC
Lable_A0
Lable_A1
Lable_A2
Lable_A3
Label_Az
Label_Anz
Label_Ac
Label_Anc
4. Look-up Table
Bit 15-0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PC*4 TA33 TA32 TA31 TA30 TA23 TA22 TA21 TA20 TA13 TA12 TA11 TA10 TA03 TA02 TA01 TA00
Look-up table address = PC address*4
Example:
ORG TAB_addr
; Real_TAB_addr = TAB_addr*4
TABLE
00h, 01h, 02h, 0Ah, 0Ch, 0Dh, 0Eh, 0Fh
ENDT
MOV TAB0, Real_TAB_addr_B0_3
MOV TAB1, Real_TAB_addr_B4_7
MOV TAB2, Real_TAB_addr_B8_11
MOV TAB3, Real_TAB_addr_B12_15
MOVC RAM
;set Look-up table address
;get Look-up table value to RAM
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