With OSDK I would like to know how to read and write in a indirect address with 16 bits
my sprite address (graphics) is a 16bits address ...
I would like to modify the graphics of the sprite like this :
Code: Select all
lda (ptr_sprite ),y ; I like to read the graphics through ptr_sprite
adc 1 ; modify A
sta (ptr_sprite ),y
.dsb ptr_sprite 2
sprite
0x76,.......