1. Largest competitor to ASCAP.

2. A 6502 instruction that performs a branch if the S flag is set (i.e. the last operation returned a result whose most significant bit is 1).

  • Function: If(S) PC + N => PC
  • Updates flags: none
  • Opcode number: $30

As opposed to: BPL
See also: 6502 instructions | 6502 addressing modes