; ----------------------------------------------------------------------
; Graphics mode
- .define grmode 15
+ grmode = 15
; X resolution
- .define x_res 160
+ x_res = 160
; Y resolution
- .define y_res 192
+ y_res = 192
; Number of colors
- .define colors 4
+ colors = 4
; Pixels per byte
- .define ppb 4
+ ppb = 4
; Screen memory size in bytes
- .define scrsize x_res * y_res / ppb
+ scrsize = x_res * y_res / ppb
; Pixel aspect ratio
- .define aspect $0200 ; 2:1
+ aspect = $0200 ; 2:1
; Free memory needed
- .define mem_needed 7147
+ mem_needed = 7147
; Number of screen pages
- .define pages 1
+ pages = 1
.rodata
mask_table: ; Mask table to set pixels