diff options
| author | aiju <devnull@localhost> | 2015-04-01 12:49:59 +0200 |
|---|---|---|
| committer | aiju <devnull@localhost> | 2015-04-01 12:49:59 +0200 |
| commit | 86bfd0331d842c7210a3a4758b71231b18193b5b (patch) | |
| tree | aae29323e6e8c0bf7935e651acf2eccb7fa218ec /sys/src/games | |
| parent | 2d0088598b50999949de98d6c4604fd8d42327b8 (diff) | |
games/c64: writes to I/O area do not affect underlying memory (documentation lied)
Diffstat (limited to 'sys/src/games')
| -rw-r--r-- | sys/src/games/c64/mem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/src/games/c64/mem.c b/sys/src/games/c64/mem.c index 1b13f2465..5245a55e9 100644 --- a/sys/src/games/c64/mem.c +++ b/sys/src/games/c64/mem.c @@ -280,8 +280,11 @@ memread(u16int a) void memwrite(u16int a, u8int v) { - if(a >> 12 == 13 && !((pla & (HIRAM|LORAM)) == 0 || pla == 1 || (pla & CHAREN) == 0 && (pla & (EXROM|GAME)) != EXROM)) + if(a >> 12 == 13 && !((pla & (HIRAM|LORAM)) == 0 || pla == 1 || (pla & CHAREN) == 0 && (pla & (EXROM|GAME)) != EXROM)){ miowrite(a & 0xfff, v); + io(); + return; + } ram[a] = v; if(a == 1) pla = pla & ~7 | v & 7; |