NEC CP/M-86 System Reference Manual page 37

Basic Disk Operating System (BDOS) Functions
Table 4-2 CP/M-86 BDOS Functions
F#
RESULT F# RESULT
0*
System Reset 24 Return Login Vector
1 Console Input
25 Return Current Disk
2 Console Output
26
Set DMA Address
3 Reader Input
27* Get Addr(Alloc)
4
Punch Output 28 W rite Protect Disk
5 List Output
29 Get Addr(R/O Vector)
6* Direct Console I/O
30 Set File Attributes
7#
Get I/O Byte 31* Get Addr(Disk Parms)
8#
Set I/O Byte 32 Set/ Get User Code
9# Print String
33 Read Random
10
Read Console Buffer 34 Write Random
11 Get Console Buffer 35 Compute File Size
12 Return Version Number 36 Set Random Record
13 Reset Disk System
37* Reset Drive
14
Select Disk 40 Write Random with Zero Fill
15
Open File
47* Chain to Program
16
Close File
49* Get System Data Area Address
17 Search for First 50* Direct BIOS Call
18 Search for Next 51* Set DMA Segment Base
19
Delete File 52* Get DMA Segment Base
20 Read Sequential 53* Get Max Memory Available
21 Write Sequential 54* Get Max Mem at Abs Location
22
Make File 55*
Get Memory Region
23
Rename File 56* Get Absolute Memory Region
57* Free Memory Region
58* Free All Memory
59*
Program Load
* - Function differs from the CP/M-80 Version 2 function or
IS
new in
CP/M-86.
# - Call is not fully implemented for the APC CBIOS dynamically (see Chapter
5).
4-3