junglejourney
changeset 218:958f6c30e575
Moved the tile and character sprites into the code ROM to see if
there is any effect on the game speed.
| author | David Boddie <david@boddie.org.uk> |
|---|---|
| date | Mon Oct 17 23:05:31 2011 +0200 |
| parents | 59f37c9e74e4 |
| children | 02610f059ac0 |
| files | buildrom.py romcode.oph romloader.oph |
| diffstat | 3 files changed, 21 insertions(+), 17 deletions(-) [+] |
line diff
1.1 --- a/buildrom.py Sun Oct 16 21:36:30 2011 +0200 1.2 +++ b/buildrom.py Mon Oct 17 23:05:31 2011 +0200 1.3 @@ -33,22 +33,30 @@ 1.4 code_rom_file = "junglecode.rom" 1.5 loader_rom_file = "jungle.rom" 1.6 1.7 - # Memory map 1.8 + # Memory map (code ROM) 1.9 # 1.10 # 8000 ROM header code 1.11 # CODE 1.12 + # A200 CHARS (0x1280 bytes of character sprites) 1.13 + # B480 SPRITES (0x360 bytes of tile sprites) 1.14 + # B7E0 space 1.15 + # 1.16 + # Memory map (loader ROM) 1.17 # 1.18 # 8000 ROM header code 1.19 # 8400 title screen (0x1800 bytes including completion screen) 1.20 - # 1.21 - # 9C00 CHARS (0x1280 bytes of character sprites) 1.22 - # AE80 SPRITES (0x360 bytes of tile sprites) 1.23 - # B1E0 space 1.24 1.25 system("ophis romcode.oph " + code_rom_file) 1.26 1.27 + romcode = open(code_rom_file, "rb").read() 1.28 + 1.29 + # Add padding before the data is appended to the code. 1.30 + romcode += (0x2200 - len(romcode))*"\x00" 1.31 + 1.32 + romcode += makesprites.read_sprites(makesprites.chars) 1.33 + romcode += makesprites.read_sprites(makesprites.tiles) 1.34 + 1.35 # Add padding after the code to make a final image size of 16K. 1.36 - romcode = open(code_rom_file, "rb").read() 1.37 romcode += (0x4000 - len(romcode))*"\x00" 1.38 open(code_rom_file, "wb").write(romcode) 1.39 1.40 @@ -65,8 +73,6 @@ 1.41 combined = makesprites.combine(completed, overlay) 1.42 romdata += combined 1.43 1.44 - romdata += makesprites.read_sprites(makesprites.chars) 1.45 - romdata += makesprites.read_sprites(makesprites.tiles) 1.46 romdata += (0x4000 - len(romdata))*"\x00" 1.47 1.48 open(loader_rom_file, "wb").write(romdata)
2.1 --- a/romcode.oph Sun Oct 16 21:36:30 2011 +0200 2.2 +++ b/romcode.oph Mon Oct 17 23:05:31 2011 +0200 2.3 @@ -83,20 +83,20 @@ 2.4 2.5 .include "mapcode.oph" 2.6 2.7 -tile_addresses_low: .byte $00, $60, $c0, $00, $60, $c0, $20 2.8 -tile_addresses_high: .byte $54, $54, $54, $50, $50, $50, $51 2.9 +tile_addresses_low: .byte $80, $E0, $40, $00, $60, $c0, $20 2.10 +tile_addresses_high: .byte $B4, $B4, $B5, $b3, $b3, $b3, $b4 2.11 2.12 player_direction_chars_low: .byte $00,$30,$60,$90,$c0,$f0,$20,$50, $80,$b0,$e0,$10 2.13 -player_direction_chars_high: .byte $3f,$3f,$3f,$3f,$3f,$3f,$40,$40, $40,$40,$40,$41 2.14 +player_direction_chars_high: .byte $a2,$a2,$a2,$a2,$a2,$a2,$a3,$a3, $a3,$a3,$a3,$a4 2.15 2.16 enemy_direction_chars_low: .byte $c0,$00,$40,$80,$c0,$00,$40,$80 2.17 -enemy_direction_chars_high: .byte $41,$42,$42,$42,$42,$43,$43,$43 2.18 +enemy_direction_chars_high: .byte $a4,$a5,$a5,$a5,$a5,$a6,$a6,$a6 2.19 2.20 emerge_explode_chars_low: .byte $c0,$00,$40,$80,$c0,$00,$40,$80 2.21 -emerge_explode_chars_high: .byte $4b,$4c,$4c,$4c,$4c,$4d,$4d,$4d 2.22 +emerge_explode_chars_high: .byte $ae,$af,$af,$af,$af,$b0,$b0,$b0 2.23 2.24 item_chars_low: .byte $c0,$00,$40,$80,$c0,$00,$40,$80,$c0 2.25 -item_chars_high: .byte $4d,$4e,$4e,$4e,$4e,$4f,$4f,$4f,$4f 2.26 +item_chars_high: .byte $b0,$b1,$b1,$b1,$b1,$b2,$b2,$b2,$b2 2.27 2.28 projectile_chars_low: .byte $40,$50,$60,$70,$80,$90,$a0,$b0 2.29 -.alias projectile_chars_high $41 2.30 +.alias projectile_chars_high $a4