On Sun, 18 Jun 2017 16:15:49 -0700 Ken Pettit <[email protected]> wrote:
> From my disassembly code: Is this general OS stuff or code supporting BASIC's CLOSE command? > > ; ====================================================== > ; RAM device control block > ; ====================================================== > 14FCH DW 1506H,158DH,15ACH,15C4H ; Open, Close, Write, Read > 1504H DW 161BH ;Special (ioctl) > > ... > > ; ====================================================== > ; Close RAM file > ; ====================================================== > 158DH (E5H) PUSH H > 158EH (CDH) CALL 15A0H > 1591H (E1H) POP H > 1592H (CDH) CALL 172AH > 1595H (C4H) CNZ 1621H > 1598H (CDH) CALL 1675H > 159BH (36H) MVI M,00H > 159DH (C3H) JMP 4D59H ; LCD, CRT, and LPT file close routine > > Ken Willard -- Willard Goosey [email protected] Socorro, New Mexico, USA I search my heart and find Cimmeria, land of Darkness and the Night. -- R.E. Howard
