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zero memory pointer in NEW command

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Paul Gardner-Stephen committed 2019-04-28 01:22:26 +09:30
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commit 064b84d2e9
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c64/basic/cmd_new.s
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@@ -17,6 +17,15 @@ basic_do_new:
lda #<$0803 lda #<$0803
sta basic_start_of_vars_ptr+0 sta basic_start_of_vars_ptr+0
;; Zero line pointer
;; XXX - We should also zero $0800, i.e., basic_start_of_text_ptr - 1
ldy #$00
tya
sta (basic_start_of_text_ptr),y
iny
sta (basic_start_of_text_ptr),y
;; Get top of memory. ;; Get top of memory.
;; If a cart is present, then it is $7FFF, ;; If a cart is present, then it is $7FFF,
;; if not, then it is $F7FF, since we support having ;; if not, then it is $F7FF, since we support having