[18 0D XX 01] - Display status window for character XX, complete with statistics.

C1/5B46: C2 31        REP #$31                  Flags and direct page manipulation.
C1/5B48: 0B           PHD 
C1/5B49: 48           PHA 
C1/5B4A: 7B           TDC 
C1/5B4B: 69 F0 FF     ADC #$FFF0
C1/5B4E: 5B           TCD 
C1/5B4F: 68           PLA 
C1/5B50: 9B           TXY 
C1/5B51: 84 0E        STY $0E                   X, Y, $0E = arg2

C1/5B53: A9 01 00     LDA #$0001                Argument gathering loop.
C1/5B56: 18           CLC 
C1/5B57: ED CA 97     SBC $97CA
C1/5B5A: 50 04        BVC $5B60
C1/5B5C: 10 17        BPL $5B75
C1/5B5E: 80 02        BRA $5B62
C1/5B60: 30 13        BMI $5B75
C1/5B62: 98           TYA 
C1/5B63: E2 20        SEP #$20
C1/5B65: AE CA 97     LDX $97CA
C1/5B68: 9D BA 97     STA $97BA,X
C1/5B6B: C2 20        REP #$20
C1/5B6D: EE CA 97     INC $97CA
C1/5B70: A9 46 5B     LDA #$5B46
C1/5B73: 80 30        BRA $5BA5                 End of argument gathering loop.

C1/5B75: AD BA 97     LDA $97BA
C1/5B78: 29 FF 00     AND #$00FF
C1/5B7B: AA           TAX                       A, X = arg1
C1/5B7C: F0 03        BEQ $5B81                 If arg1 is zero, jump to code to get the correct value.
C1/5B7E: 8A           TXA 
C1/5B7F: 80 05        BRA $5B86
C1/5B81: 20 0A 04     JSR $040A
C1/5B84: A5 06        LDA $06
C1/5B86: AA           TAX                       A, X = arg1
C1/5B87: A4 0E        LDY $0E
C1/5B89: 98           TYA                       X = arg1; A, Y = arg2.
C1/5B8A: C9 01 00     CMP #$0001
C1/5B8D: F0 07        BEQ $5B96
C1/5B8F: C9 02 00     CMP #$0002
C1/5B92: F0 09        BEQ $5B9D
C1/5B94: 80 0C        BRA $5BA2                 If arg2 isn't 0x1 or 0x2, end.

C1/5B96: 8A           TXA                       Arg2 = 0x1 case.
C1/5B97: 22 2F 95 C1  JSR $C1952F               A, X = arg1; Y = arg2.

>>> This subroutine contains way too much code to repaste here, but it involves the status window text
>>> and a metric assload of character statistic addresses. It would seem probable that this code spawns
>>> a status window for character XX, and that YY serves no purpose (excepting that it must be 01).

C1/5B9B: 80 05        BRA $5BA2

C1/5B9D: 8A           TXA                       Arg2 = 0x2 case.
C1/5B9E: 22 23 EF C3  JSR $C3EF23               A, X = arg1; Y = arg2.
>>> C3/EF23: C2 31        REP #$31              >>> Do essentially nothing.
>>> C3/EF25: 6B           RTL 

C1/5BA2: A9 00 00     LDA #$0000                A = 0x0
C1/5BA5: 2B           PLD 
C1/5BA6: 60           RTS