Program Memory (ROM) ......................................................................................................................... 10
Data Memory (RAM) ................................................................................................................................ 10
Data Pointer (DP) ..................................................................................................................................... 11
Status flag (F) ............................................................................................................................... 12
Carry flag (CY) ............................................................................................................................. 13
3. PORT REGISTERS (PX) ................................................................................................................... 14
3.1
3.2
K
I/O
Port (P0) ............................................................................................................................................. 15
K
I
Port/Special Port (P1) ......................................................................................................................... 16
3.2.1
3.2.2
3.2.3
3.2.4
3.3
3.4
K
I
port (P
11
: bits 4 to 7 of P1) ....................................................................................................... 16
S
0
port (bit 2 of P1) ....................................................................................................................... 16
S
1
/LED port (bit 3 of P1) ............................................................................................................... 16
S
2
port (bit 1 of P1) ....................................................................................................................... 17
Control Register 0 (P3) ........................................................................................................................... 17
Control Register 1 (P4) ........................................................................................................................... 18
9.10 Other Instructions ................................................................................................................................... 45
10. ASSEMBLER RESERVED WORDS ................................................................................................ 47
10.1 Mask Option Quasi Directives ............................................................................................................... 47
10.1.1 OPTION and ENDOP quasi directives ......................................................................................... 47
10.1.2 Mask option definition quasi directive .......................................................................................... 47
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