Decoded: Sopwith (1984) by David L. Clark
Source file: SWMISC.C
Beginner friendly, line-by-line code walkthrough by MaiZure

SWMISC.C is a wrapper for the assembly printing procedure in SWUTIL.ASM

Original code archive:
http://davidlclark.com/page/sopwith-source-code

Original code with line numbers
http://www.maizure.org/projects/decoded-sopwith/SWMISC_linenum.txt

1     COMMENT
2     COMMENT
3     BLANK
4     COMMENT
5     COMMENT
6     COMMENT
7     COMMENT
8     COMMENT
9     COMMENT
10    COMMENT
11    COMMENT
12    COMMENT
13    COMMENT
14    BLANK
15    COMMENT
16    BLANK
17    COMMENT
18    COMMENT
19    COMMENT
20    COMMENT
21    COMMENT
22    Include the main game header (sw.h)
23    BLANK
24    BLANK
25    BLANK
26    BLANK
27    Declare and define puts with 1 argument
28    Argument 1 is a pointer to a string (char array)
29    BLOCK START - puts, writes a string using assembly char printing
30    Declare a local pointer to a char string
31    BLANK
32    Point to the input string
33    While we still have characters to print...
34    Print each character to the screen
35    BLOCK END - puts
36    EOF˙