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| author | Vladimir Menshakov | 2011-06-10 10:24:02 +0400 |
|---|---|---|
| committer | Alyssa Milburn | 2011-06-15 17:33:55 +0200 |
| commit | 4c54bf9799329da3a030d4df524c8e2b87b7a7fa (patch) | |
| tree | fb8cb166b60b26887b90dc9f2056995945dc9991 /engines/dreamweb | |
| parent | 8cc8e73d1f80065c6359f98722e1a4de2cb62654 (diff) | |
| download | scummvm-rg350-4c54bf9799329da3a030d4df524c8e2b87b7a7fa.tar.gz scummvm-rg350-4c54bf9799329da3a030d4df524c8e2b87b7a7fa.tar.bz2 scummvm-rg350-4c54bf9799329da3a030d4df524c8e2b87b7a7fa.zip | |
DREAMWEB: implemented multiXXX vga functions
Diffstat (limited to 'engines/dreamweb')
| -rw-r--r-- | engines/dreamweb/dreamweb.cpp | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/engines/dreamweb/dreamweb.cpp b/engines/dreamweb/dreamweb.cpp index adc2cbbaa2..68370ffa17 100644 --- a/engines/dreamweb/dreamweb.cpp +++ b/engines/dreamweb/dreamweb.cpp @@ -228,15 +228,46 @@ static inline DreamWeb::DreamWebEngine *engine() { } void multiget(Context &context) { - ::error("multiget"); + unsigned w = (uint8)context.cl, h = (uint8)context.ch; + unsigned pitch = (uint16)context.data.word(kScreenwidth); + unsigned src = (uint16)context.di + (uint16)context.bx * pitch; + unsigned dst = (uint16)context.si; + context.es = context.ds; + context.ds = context.data.word(kWorkspace); + //debug(1, "multiget %ux%u -> segment: %04x->%04x", w, h, (uint16)context.ds, (uint16)context.es); + for(unsigned y = 0; y < h; ++y) { + uint8 *src_p = context.ds.ptr(src + pitch * y, w); + uint8 *dst_p = context.es.ptr(dst + w * y, w); + memcpy(src_p, dst_p, w); + } } void multiput(Context &context) { - ::error("multiput"); + unsigned w = (uint8)context.cl, h = (uint8)context.ch; + unsigned pitch = (uint16)context.data.word(kScreenwidth); + unsigned src = (uint16)context.si; + unsigned dst = (uint16)context.di + (uint16)context.bx * pitch; + context.es = context.data.word(kWorkspace); + //debug(1, "multiput %ux%u -> segment: %04x->%04x", w, h, (uint16)context.ds, (uint16)context.es); + for(unsigned y = 0; y < h; ++y) { + uint8 *src_p = context.ds.ptr(src + w * y, w); + uint8 *dst_p = context.es.ptr(dst + pitch * y, w); + memcpy(src_p, dst_p, w); + } } void multidump(Context &context) { - ::error("multidump"); + unsigned w = (uint8)context.cl, h = (uint8)context.ch; + context.es = 0xa000; + context.ds = context.data.word(kWorkspace); + //debug(1, "multidump %ux%u -> segment: %04x->%04x", w, h, (uint16)context.ds, (uint16)context.es); + unsigned pitch = (uint16)context.data.word(kScreenwidth); + unsigned offset = (uint16)context.di + (uint16)context.bx * pitch; + for(unsigned y = 0; y < h; ++y, offset += pitch * y) { + uint8 *src_p = context.ds.ptr(offset, w); + uint8 *dst_p = context.es.ptr(offset, w); + memcpy(src_p, dst_p, w); + } } void frameoutnm(Context &context) { |