Before this, the virtual VRAM was 32 bits per pixel, with each pixel
holding an 8-bit index color or 0x80RRGGBB. The latter was for Ayumi-
chan Monogatari Jisshaban, which has been unsupported since system3-sdl2
was forked from System3 for Win32.
This change removes the 0x80RRGGBB format and makes the virtual VRAM 8
bits per pixel.
System1 commands have very different meanings from game to game
(especially the Y and Z commands), so this moves game-specific logic to
separate derived classes (e.g., NACT_LittleVampire, NACT_GakuenSenki)
for better modularization.
AG00.DAT on the hint disk must be renamed to GG00.DAT to avoid conflicts
with AG00.DAT of the main game. This is the setup used in the Ryu1's
porting kit (http://www.ryu1.jp/alice/r2port.html).
- Invalid game id -> sys_error() in GameId::GameId()
- Unknown crc32 -> SDL_ShowSimpleMessageBox() in GameId::GameId()
- Cannot open ADISK.DAT -> sys_error() in NACT::NACT()
- Now tracing is not a build-time config but a runtime option (`-trace`)
- One command per line, so that traces are not mixed with other outputs
- Send traces to DAP client
- Fix garbled characters in non-SJIS environments
There was a bug in the JIS to Shift_JIS conversion code, causing out-of-
range access to the gaiji array. Since the conversion was not necessary
in the first place, the indexes to the array are now calculated directly
from JIS code points.
`L [1-26]` should set RND to 0 after load, and `Q [1-26]` should set RND
to 1 after save. This behavior is used by the following games:
ayumi_fd, prog_fd, funnybee_cd, funnybee_fd, onlyyou, prog_cd, ayumi_cd,
yakata3_cd, otome, hashirionna2
Especially in hashirionna2, not setting RND breaks the control flow.
* `Z 2, 0:` clears the graphic screen.
* `Z 2, 1:` restores the screen by loading the background image, but
with a transparent color so that the preceding G command can be seen.
Fixes#31.