atari5200: changes from discussions in #870

- rename screen_setup to initconio
- use Greg King's version of bgcolor()
This commit is contained in:
Christian Groessler
2019-04-10 22:15:27 +02:00
committed by Oliver Schmidt
parent d7eecb57f8
commit e1e6bec9ff
4 changed files with 24 additions and 32 deletions

View File

@@ -7,7 +7,7 @@
SCREEN_BUF_SIZE = 20 * 24
SCREEN_BUF = $4000 - SCREEN_BUF_SIZE
.export screen_setup
.export initconio
.export screen_width, screen_height
.export conio_color
@@ -17,7 +17,8 @@ screen_height = 24
.segment "ONCE"
screen_setup:
; initialize color registers, display list, and screen memory
initconio:
; initialize SAVMSC
lda #<SCREEN_BUF
@@ -62,9 +63,9 @@ clrscr: sta (SAVMSC),y
rts
.data
.bss
conio_color: .byte 0
conio_color: .res 1
.segment "DLIST"