BLT

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Instruction NameBranch if Less Than
Branch if Not Greater or Equal
MnemonicsBLT / BNGE
CP1610 Clock Cycles7 or 9
InterruptibleYes
Opcode Range$0205, $0225

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

   Format - Decle #1    Format - Word #2 (All 16 bits are significant)
   0000:0010:00d0:0101  aaaa:aaaa:aaaa:aaaa
where:
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.

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