put setup VIC-II routine at $E5A0 for Advanced Pinball Simulator. Issue #23

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Paul Gardner-Stephen committed 2019-05-05 16:31:24 +09:30
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;; Function defined on pp272-273 of C64 Programmers Reference Guide
;; Compute's Mapping the 64 p215
cint:
;; Set up default IO values (Compute's Mapping the 64 p215)
lda #$1b ; Enable text mode
sta $d011
lda #$c8 ; 40 column etc
sta $d016
;; Compute's Mapping the 64, p156
;; We use a different colour scheme of white text on all blue
lda #$06
sta $D020
sta $D021
;; Turn off sprites
;; (observed hanging around after running programs and resetting)
lda #$00
sta $D015
jsr setup_vicii
;; Initialise cursor blink flags (Compute's Mapping the 64 p215)
lda #$00
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setup_vicii:
;; Set up default IO values (Compute's Mapping the 64 p215)
lda #$1b ; Enable text mode
sta $d011
lda #$c8 ; 40 column etc
sta $d016
;; Compute's Mapping the 64, p156
;; We use a different colour scheme of white text on all blue
lda #$06
sta $D020
sta $D021
;; Turn off sprites
;; (observed hanging around after running programs and resetting)
lda #$00
sta $D015