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GLK: SCOTT: Implement loadTitleScreen

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Avijeet 2022-06-25 22:21:55 +05:30 committed by Eugene Sandulenko
parent b90a145c29
commit f6a6b83367
1 changed files with 47 additions and 1 deletions
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48
engines/glk/scott/load_ti99_4a.cpp
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@ -265,7 +265,53 @@ void readTI99ExplicitActions(DataHeader dh) {
}
uint8_t *loadTitleScreen() {
return nullptr;
char buf[3074];
int offset = 0;
uint8_t *p;
int lines;
/* title screen offset starts at 0x80 */
p = _G(_entireFile) + 0x80 + _G(_fileBaselineOffset);
if (p - _G(_entireFile) > _G(_fileLength))
return nullptr;
int parens = 0;
for (lines = 0; lines < 24; lines++) {
for (int i = 0; i < 40; i++) {
char c = *(p++);
if (p - _G(_entireFile) >= _G(_fileLength))
return nullptr;
if (!((c <= 127) && (c >= 0))) /* isascii() */
c = '?';
switch (c) {
case '\\':
c = ' ';
break;
case '(':
parens = 1;
break;
case ')':
if (!parens)
c = '@';
parens = 0;
break;
case '|':
if (*p != ' ')
c = 12;
break;
default:
break;
}
buf[offset++] = c;
if (offset >= 3072)
return nullptr;
}
buf[offset++] = '\n';
}
buf[offset] = '\0';
uint8_t *result = new uint8_t[offset + 1];
memcpy(result, buf, offset + 1);
return result;
}
int tryLoadingTI994A(DataHeader dh, int loud) {