chtype - change file type command for ProDOS

Build with ca65

Installation:

• Copy target to ProDOS disk
• From BASIC.SYSTEM prompt, run: -CHTYPE from STARTUP (or by hand)

Usage:

CHTYPE pathname[,Ttype][,Aauxtype][,S#][,D#]

Examples:

• CHTYPE file - show current type/auxtype
• CHTYPE pic,T$08 - set just type
• CHTYPE file,A$0640 - set just auxtype
• CHTYPE now_basic,TBAS,A$801 - set both type and auxtype
• CHTYPE /root/was_bin,TSYS - works with absolute paths
• CHTYPE as_text,TTXT,S6,D1 - can use slot/drive arguments too

Notes:

• Allocates a 1 page buffer to store the code
• Relative or absolute paths can be used
• Can be invoked as lower case (e.g. chtype ...)

Resources:

• File Types Table - ProDOS 8 Technical Reference Manual
• File Types - Jon Relay's Apple II Info Archives
• ProDOS File Types 2.0 - Mac GUI