<< Previous | Next >>

CONVD pp     Convert Data Address     Rabbit 4000/5000 Instruction

Opcode
Instruction
Operation
ED pp CONVD pp Convert pp to physical data address
ED 0F CONVD PW Convert PW to physical address
ED 1F CONVD PX Convert PX to physical address
ED 2F CONVD PY Convert PY to physical address
ED 3F CONVD PZ Convert PZ to physical address

8-Bit Access
16-Bit Unaligned
16-Bit Aligned
Rabbit 4000
8
n/a
n/a
Rabbit 5000
8
8
6

Flags ALTD IOI/IOE
S
Z
L/V
C
F
R
SP
S
D
-
-
-
-

Description

Converts the 16-bit logical address in the low word of pp (one of the 32-bit registers PW, PX, PY or PZ) to a 24-bit physical device offset, which replaces the logical address stored in pp. The actual number of bits used for the physical device offset depends on the available memory.


Rabbit Instructions << Previous | Next >> rabbit.com