+++ /dev/null
-;\r
-; MATH.INC - Include file for THREED.ASM\r
-;\r
-\r
-; 3-dimensional point, coordinates in fixed format (16:16)\r
-;\r
-TPOINT STRUC\r
- X DD ?\r
- Y DD ?\r
- Z DD ?\r
-TPOINT ENDS\r
-\r
-; 2-dimensional point, coordinates in integer format\r
-;\r
-TIMAGEPOINT STRUC\r
- IX DW ?\r
- IY DW ?\r
-TIMAGEPOINT ENDS\r
-\r
-; Fixed-point divide: EAX = EAX / arg\r
-;\r
-.xdiv MACRO arg\r
- xor edx, edx\r
- shld edx, eax, 16\r
- shl eax, 16\r
- idiv arg\r
-ENDM\r
-\r
-; Fixed-point multiply: EAX = EAX * arg\r
-;\r
-.xmul MACRO arg\r
- imul arg\r
- shrd eax, edx, 16\r
-ENDM\r