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Fixed the random-seed generators for the Commodore targets.

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They use a byte from the time counter; but, it is stored in big-endian order.
This commit is contained in:
Greg King
2015-09-11 10:03:07 -04:00
parent fa0709a618
commit 031bd2ebf0
8 changed files with 24 additions and 16 deletions
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5
libsrc/c128/randomize.s
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@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -12,6 +13,6 @@
__randomize: __randomize:
ldx VIC_HLINE ; Use VIC rasterline as high byte ldx VIC_HLINE ; Use VIC rasterline as high byte
lda TIME ; Use 60HZ clock as low byte lda TIME+2 ; Use 60HZ clock as low byte
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/c16/randomize.s
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@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -12,6 +13,6 @@
__randomize: __randomize:
ldx TED_VLINELO ; Use TED rasterline as high byte ldx TED_VLINELO ; Use TED rasterline as high byte
lda TIME ; Use 60HZ clock as low byte lda TIME+2 ; Use 60HZ clock as low byte
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/c64/randomize.s
View File

@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -12,6 +13,6 @@
__randomize: __randomize:
ldx VIC_HLINE ; Use VIC rasterline as high byte ldx VIC_HLINE ; Use VIC rasterline as high byte
lda TIME ; Use 60HZ clock as low byte lda TIME+2 ; Use 60HZ clock as low byte
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/cbm510/randomize.s
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@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -10,7 +11,7 @@
.importzp time .importzp time
__randomize: __randomize:
ldx time ; Use 50/60HZ clock ldx time+2 ; Use 50/60HZ clock
lda time+1 lda time+1
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/cbm610/randomize.s
View File

@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -10,7 +11,7 @@
.importzp time .importzp time
__randomize: __randomize:
ldx time ; Use 50/60HZ clock ldx time+2 ; Use 50/60HZ clock
lda time+1 lda time+1
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/pet/randomize.s
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@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -11,7 +12,7 @@
.include "pet.inc" .include "pet.inc"
__randomize: __randomize:
ldx TIME ldx TIME+2
lda TIME+1 ; Use 60HZ clock lda TIME+1 ; Use 60HZ clock
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/plus4/randomize.s
View File

@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -12,6 +13,6 @@
__randomize: __randomize:
ldx TED_VLINELO ; Use TED rasterline as high byte ldx TED_VLINELO ; Use TED rasterline as high byte
lda TIME ; Use 60HZ clock as low byte lda TIME+2 ; Use 60HZ clock as low byte
jmp _srand ; Initialize generator jmp _srand ; Initialize generator

5
libsrc/vic20/randomize.s
View File

@@ -1,5 +1,6 @@
; ;
; Ullrich von Bassewitz, 05.11.2002 ; 2002-11-05, Ullrich von Bassewitz
; 2015-09-11, Greg King
; ;
; void _randomize (void); ; void _randomize (void);
; /* Initialize the random number generator */ ; /* Initialize the random number generator */
@@ -16,6 +17,6 @@ __randomize:
lda VIC_HLINE ; Get bit 1-8 of rasterline lda VIC_HLINE ; Get bit 1-8 of rasterline
rol a ; Use bit 0-7 rol a ; Use bit 0-7
tax ; Use VIC rasterline as high byte tax ; Use VIC rasterline as high byte
lda TIME ; Use 60HZ clock as low byte lda TIME+2 ; Use 60HZ clock as low byte
jmp _srand ; Initialize generator jmp _srand ; Initialize generator