1
0
mirror of https://github.com/catseye/SixtyPical.git synced 2024-11-25 23:49:17 +00:00
SixtyPical/eg/c64/hearts.60p

17 lines
446 B
Plaintext
Raw Normal View History

2015-10-18 17:54:28 +00:00
// Displays 256 hearts at the top of the Commodore 64's screen.
// Define where the screen starts in memory:
2018-03-06 10:32:52 +00:00
byte table[256] screen @ 1024
2018-09-09 13:01:38 +00:00
define main routine
2015-10-18 17:54:28 +00:00
// These are the values that will be written to by this routine:
trashes a, x, z, n, screen
{
ld x, 0
2015-10-18 17:54:28 +00:00
ld a, 83 // 83 = screen code for heart
repeat {
st a, screen + x
inc x
2015-10-18 17:54:28 +00:00
} until z // this flag will be set when x wraps around from 255 to 0
}