cc65/libsrc/c64/randomize.s

;
; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
;
; void __randomize (void);
; /* Initialize the random number generator */
;

        .export         ___randomize
        .import         _srand

        .include        "c64.inc"

___randomize:
        ldx     VIC_HLINE       ; Use VIC rasterline as high byte
        lda     TIME+2          ; Use 60HZ clock as low byte
        jmp     _srand          ; Initialize generator
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00			`;`
Fixed the random-seed generators for the Commodore targets. They use a byte from the time counter; but, it is stored in big-endian order. 2015-09-11 14:03:07 +00:00			`; 2002-11-05, Ullrich von Bassewitz`
			`; 2015-09-11, Greg King`
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00			`;`
extra underscores for _randomize and _swap 2022-08-29 18:52:35 +00:00			`; void __randomize (void);`
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00			`; /* Initialize the random number generator */`
			`;`

extra underscores for _randomize and _swap 2022-08-29 18:52:35 +00:00			`.export ___randomize`
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 11:56:54 +00:00			`.import _srand`
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 11:56:54 +00:00			`.include "c64.inc"`
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00
extra underscores for _randomize and _swap 2022-08-29 18:52:35 +00:00			`___randomize:`
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00			`ldx VIC_HLINE ; Use VIC rasterline as high byte`
Fixed the random-seed generators for the Commodore targets. They use a byte from the time counter; but, it is stored in big-endian order. 2015-09-11 14:03:07 +00:00			`lda TIME+2 ; Use 60HZ clock as low byte`
New randomize() function for nearly all platforms git-svn-id: svn://svn.cc65.org/cc65/trunk@1487 b7a2c559-68d2-44c3-8de9-860c34a00d81 2002-11-05 10:48:20 +00:00			`jmp _srand ; Initialize generator`