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cc65/libsrc/osic1p/osic1p.inc
Stephan Mühlstrasser 8deeb2c59e Match screen dimensions as in BASIC.
Experiments show that under BASIC by default
25 rows by 24 columns are used. 24 columns is
also the width that is fully displayed on a real
C1P on the monitor. conio now matches that now.
2015-02-23 23:07:00 +01:00

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PHP

; Addresses
SCRNBASE := $D000 ; Base of video RAM
INPUTC := $FD00 ; Input character from keyboard
RESET := $FF00 ; Reset address, show boot prompt
KBD := $DF00 ; Polled keyboard register
; Other definitions
VIDEORAMSIZE = $0400 ; Size of C1P video RAM (1 kB)
SCR_WIDTH = $18 ; Screen width
SCR_HEIGHT = $19 ; Screen height