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converted pullup and pulldown into bitmap - no speed change

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This commit is contained in:
Michael Steil 2010-09-24 08:55:37 +00:00
parent 7ef74bffff
commit 7bf0e28244
1 changed files with 39 additions and 9 deletions
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48
perfect6502.c
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@ -85,14 +85,44 @@ typedef uint8_t state_t;
************************************************************/
/* everything that describes a node */
BOOL nodes_pullup[NODES];
BOOL nodes_pulldown[NODES];
int nodes_pullup[NODES/sizeof(int)+1];
int nodes_pulldown[NODES/sizeof(int)+1];
state_t nodes_state[NODES];
nodenum_t nodes_gates[NODES][NODES];
nodenum_t nodes_c1c2s[NODES][2*NODES];
count_t nodes_gatecount[NODES];
count_t nodes_c1c2count[NODES];
static inline void
set_nodes_pullup(transnum_t t, BOOL state)
{
if (state)
nodes_pullup[t>>5] |= 1 << (t & 31);
else
nodes_pullup[t>>5] &= ~(1 << (t & 31));
}
static inline BOOL
get_nodes_pullup(transnum_t t)
{
return (nodes_pullup[t>>5] >> (t & 31)) & 1;
}
static inline void
set_nodes_pulldown(transnum_t t, BOOL state)
{
if (state)
nodes_pulldown[t>>5] |= 1 << (t & 31);
else
nodes_pulldown[t>>5] &= ~(1 << (t & 31));
}
static inline BOOL
get_nodes_pulldown(transnum_t t)
{
return (nodes_pulldown[t>>5] >> (t & 31)) & 1;
}
/************************************************************
*
* Data Structures and Algorithms for Transistors
@ -303,9 +333,9 @@ getNodeValue()
for (count_t i = 0; i < group_count(); i++) {
nodenum_t nn = group_get(i);
if (nodes_pullup[nn])
if (get_nodes_pullup(nn))
return STATE_PU;
if (nodes_pulldown[nn])
if (get_nodes_pulldown(nn))
return STATE_PD;
if (nodes_state[nn] == STATE_FH)
flstate = STATE_FH;
@ -444,8 +474,8 @@ recalcAllNodes()
static inline void
setNode(nodenum_t nn, BOOL state)
{
nodes_pullup[nn] = state;
nodes_pulldown[nn] = !state;
set_nodes_pullup(nn, state);
set_nodes_pulldown(nn, !state);
listin_fill(&nn, 1);
recalcNodeList();
}
@ -478,8 +508,8 @@ writeDataBus(uint8_t x)
{
for (int i = 0; i < 8; i++) {
nodenum_t nn = dbnodes[i];
nodes_pulldown[nn] = !(x & 1);
nodes_pullup[nn] = x & 1;
set_nodes_pulldown(nn, !(x & 1));
set_nodes_pullup(nn, x & 1);
x >>= 1;
}
@ -809,7 +839,7 @@ setupNodesAndTransistors()
{
count_t i;
for (i = 0; i < sizeof(segdefs)/sizeof(*segdefs); i++) {
nodes_pullup[i] = segdefs[i] == 1;
set_nodes_pullup(i, segdefs[i] == 1);
nodes_gatecount[i] = 0;
nodes_c1c2count[i] = 0;
}