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Macro-based implementation of screen layout configuration modules.

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This commit is contained in:
Stephan Mühlstrasser
2015-03-22 22:45:53 +01:00
parent b4bab018ac
commit 7fb206e381
8 changed files with 250 additions and 159 deletions
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16
libsrc/osic1p/screen-c1p-24x24.s Normal file
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;
; Implementation of screen-layout related functions for Challenger 1P
;
.include "osiscreen.inc"
C1P_SCR_BASE := $D000 ; Base of C1P video RAM
C1P_VRAM_SIZE = $0400 ; Size of C1P video RAM (1 kB)
C1P_SCR_WIDTH = $18 ; Screen width
C1P_SCR_HEIGHT = $18 ; Screen height
C1P_SCR_FIRSTCHAR = $85 ; Offset of cursor position (0, 0) from base
; of video RAM
C1P_SCROLL_DIST = $20 ; Memory distance for scrolling by one line
osi_screen_funcs C1P_SCR_BASE, C1P_VRAM_SIZE, C1P_SCR_FIRSTCHAR, \
C1P_SCR_WIDTH, C1P_SCR_HEIGHT, C1P_SCROLL_DIST