From Intellivision Wiki

Revision as of 07:58, 4 December 2010 by Mr z (Talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Instruction NameBranch if Greater Than or Equal Branch if Not Less Than
MnemonicsBGE / BNLT
CP1610 Clock Cycles7 or 9
Opcode Range$020E, $022E

The Branch if Greater Than or Equal opcode (BGE) is a two-decle opcode that is a part of the Branch family of opcodes. It is also known as Branch if Not Less Than (BNLT). This instruction causes the CP1610 to branch if the Sign Flag is equal to the Overflow Flag to the address specified by the following parameters.

   Format - Decle #1    Format - Word #2 (All 16 bits are significant)
   0000:0010:00d0:1101  aaaa:aaaa:aaaa:aaaa
d indicates the direction of the branch such that: d == 0 indicates to branch in the forward direction d == 1 indicates to branch in the reverse direction
aaaaaaaaaaaaaaaa indicates the amount of offset

See the Branch opcode family documentation for more information.

Personal tools