6502/perfect6502
1
0
Fork 0
mirror of https://github.com/mist64/perfect6502.git synced 2024-06-02 17:41:32 +00:00
Code Issues Projects Releases Wiki Activity

cleanup

Browse Source
This commit is contained in:
Michael Steil 2010-10-05 16:54:12 +00:00
parent eee151c3ec
commit 446774eaa3
1 changed files with 15 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
perfect6502.c
View File

@ -404,45 +404,31 @@ typedef struct {
* 3. if there is a pullup node, it's 1
* 4. if there is a pulldown node, it's 0
* 5. otherwise, if there is an 1/floating node, it's 1/floating
* 6. otherwise, it's 0/floating (if there is a 0/floating node,
* which is always the case)
* 6. otherwise, it's 0/floating
*/
static inline state_t
getNodeValue()
{
state_t state = { .value = 0, .floating = 0 };
if (group_contains(vss))
return (state_t) { .value = 0, .floating = 0 };
if (group_contains(vss)) {
state.value = 0;
state.floating = 0;
return state;
}
if (group_contains(vcc))
return (state_t) { .value = 1, .floating = 0 };
if (group_contains(vcc)) {
state.value = 1;
state.floating = 0;
return state;
}
state.value = 0;
state.floating = 1;
BOOL contains_hi = NO;
for (count_t i = 0; i < group_count(); i++) {
nodenum_t nn = group_get(i);
if (get_nodes_pullup(nn)) {
state.value = 1;
state.floating = 0;
return state;
}
if (get_nodes_pulldown(nn)) {
state.value = 0;
state.floating = 0;
return state;
}
if (get_nodes_state_value(nn) && get_nodes_state_floating(nn))
state.value = 1;
if (get_nodes_pullup(nn))
return (state_t) { .value = 1, .floating = 0 };
if (get_nodes_pulldown(nn))
return (state_t) { .value = 0, .floating = 0 };
if (get_nodes_state_value(nn))
contains_hi = YES;
}
return state;
return (state_t) { .value = contains_hi, .floating = 1 };
}
void