ADCON D8h
A/D converter control register.

ADDAT D9h
A/D converter data register.

CCEN C1h
Compare/capture enable register.

CCH1 C3h
Compare/capture register register 1, high byte.

CCH2 C5h
Compare/capture register register 2, high byte.

CCH3 C7h
Compare/capture register register 3, high byte.

CCL1 C2h
Compare/capture register register 1, low byte.

CCL2 C4h
Compare/capture register register 2, low byte.

CCL3 C6h
Compare/capture register register 3, low byte.

CRCH CBh
Compare/reload register register, high byte.

CRCL CAh
Compare/reload register register, high byte.

DAPR DAh
A/D converter program register.

IEN0 A8h
Interrupt enable register 0.

IEN1 B8h
Interrupt enable register 1.

IP1 B9h
Interrupt priority register 1.

IRCON C0h
Interrupt request control register.

P0 80h
Port 0.

P1 90h
Port 1.

P2 A0h
Port 2.

P3 B0h
Port 3.

P4 E8h
Port 4.

P5 F8h
Port 5.

P6 DBh
Port 6. (in ACMOS versions)

PCON 87h
Power control register.

PSW D0h
Program status word register.

SBUF 99h
Serial port buffer register.

SCON 98h
Serial port control register.

T2CON C8h
Timer 2 control register.

TCON 88h
Timer control register.

TH0 8Ch
Timer 0, high byte.

TH1 8Dh
Timer 1, high byte.

TH2 CDh
Timer 2, high byte.

TL0 8Ah
Timer 0, low byte.

TL1 8Bh
Timer 1, low byte.

TL2 CCh
Timer 2, low byte.

TMOD 89h
Timer mode register.