C1/5C58: C2 31        REP #$31                  Flag manipulation.
C1/5C5A: A9 01 00     LDA #$0001                Argument loop.
C1/5C5D: 18           CLC 
C1/5C5E: ED CA 97     SBC $97CA
C1/5C61: 50 04        BVC $5C67
C1/5C63: 10 17        BPL $5C7C
C1/5C65: 80 02        BRA $5C69
C1/5C67: 30 13        BMI $5C7C
C1/5C69: 8A           TXA 
C1/5C6A: E2 20        SEP #$20
C1/5C6C: AE CA 97     LDX $97CA
C1/5C6F: 9D BA 97     STA $97BA,X
C1/5C72: C2 20        REP #$20
C1/5C74: EE CA 97     INC $97CA
C1/5C77: A9 58 5C     LDA #$5C58
C1/5C7A: 80 08        BRA $5C84
C1/5C7C: 8A           TXA                       A = arg2
C1/5C7D: 22 C8 27 C2  JSR $C227C8

C2/27C8: C2 31        REP #$31                  Flag manipulation.
C2/27CA: C9 01 00     CMP #$0001
C2/27CD: F0 11        BEQ $27E0
C2/27CF: C9 02 00     CMP #$0002
C2/27D2: F0 1B        BEQ $27EF
C2/27D4: C9 03 00     CMP #$0003
C2/27D7: F0 25        BEQ $27FE
C2/27D9: C9 04 00     CMP #$0004
C2/27DC: F0 2F        BEQ $280D
C2/27DE: 80 3A        BRA $281A

C2/27E0: A2 39 98     LDX #$9839                --- 01 case ---
C2/27E3: E2 20        SEP #$20
C2/27E5: BD 00 00     LDA $0000,X
C2/27E8: 09 01        ORA #$01
C2/27EA: 9D 00 00     STA $0000,X
C2/27ED: 80 2B        BRA $281A
C2/27EF: A2 39 98     LDX #$9839                --- 02 case ---
C2/27F2: E2 20        SEP #$20
C2/27F4: BD 00 00     LDA $0000,X
C2/27F7: 09 02        ORA #$02
C2/27F9: 9D 00 00     STA $0000,X
C2/27FC: 80 1C        BRA $281A
C2/27FE: A2 39 98     LDX #$9839                --- 03 case ---
C2/2801: E2 20        SEP #$20
C2/2803: BD 00 00     LDA $0000,X
C2/2806: 09 04        ORA #$04
C2/2808: 9D 00 00     STA $0000,X
C2/280B: 80 0D        BRA $281A
C2/280D: A2 39 98     LDX #$9839                --- 04 case ---
C2/2810: E2 20        SEP #$20
C2/2812: BD 00 00     LDA $0000,X
C2/2815: 09 08        ORA #$08
C2/2817: 9D 00 00     STA $0000,X
C2/281A: C2 20        REP #$20                  --- Default case ---
C2/281C: 6B           RTL 

C1/5C81: A9 00 00     LDA #$0000
C1/5C84: 60           RTS