Nand2Tetris Hack Assembly Language Divide

Udemy's competitor by Ross McGowan which uses "But How Do It Know?" by J. Scott Clark

Copied!

// divide.asm
// Divides R0 by R1; quotient in R2, remainder in R3.
// R0, R1, R2 and R3 refer to RAM[0] through RAM[3].

    @R2
    M = 0
    @R3
    M = 0
    @R0
    D = M
    @END
    D, JEQ
    @store
    M = D        // store to restore

(LOOP)
    @R1
    D = D - M
    @REMAINDER
    D, JLT
    @R2
    M = M + 1
    @EVENLY
    D, JEQ
    @LOOP
    0, JMP

(REMAINDER)
    @R1
    D = D + M
    @R3
    M = D

(EVENLY)
    @store
    D = M
    @R0
    M = D

(END)
    @END
    0, JMP