mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
17 lines
687 B
ArmAsm
17 lines
687 B
ArmAsm
|
;
|
||
|
|
; Implementation of screen-layout related functions for Challenger 1P in 48x12 mode.
|
||
|
|
;
|
||
|
|
|
||
|
|
.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 = $30 ; Screen width
|
||
|
|
C1P_SCR_HEIGHT = $0C ; Screen height
|
||
|
|
C1P_SCR_FIRSTCHAR = $8B ; Offset of cursor position (0, 0) from base
|
||
|
|
; of video RAM
|
||
|
|
C1P_SCROLL_DIST = $40 ; 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
|