implement screen clear routines

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Paul Gardner-Stephen committed 2019-04-19 20:42:39 +09:30
1 parent 3ff2419189
commit 6bd5778db2
4 files changed
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;; Home the cursor
;; (Compute's Mapping the 64 p216)
home_cursor:
lda #$00
sta current_screen_x
sta current_screen_y
jmp set_pointer_to_current_screen_line