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
+48 -4

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@@ -33,10 +33,10 @@
.alias cursor_is_visible $CF
.alias input_source $D0
.alias current_screen_line_ptr $D1
.alias current_screen_line_logical_column $D3
.alias current_screen_x $D3
.alias quote_mode_flag $D4
.alias max_logical_line_length $D5
.alias cursor_physical_screen_line $D6
.alias current_screen_y $D6
.alias last_printed_character_ascii $D7
.alias insert_mode $D8
; Bits 0 -3 = bits 8-11 of screen line address