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cleanup

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This commit is contained in:
Michael Steil 2010-10-05 16:27:33 +00:00
parent 3ef6b7636a
commit 90dfd9791a
1 changed files with 11 additions and 17 deletions
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28
perfect6502.c
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@ -76,7 +76,7 @@ typedef uint8_t state_t;
*
************************************************************/
#if 1
#if 1 /* on 64 bit CPUs */
typedef unsigned long long bitmap_t;
#define BITMAP_SHIFT 6
#define BITMAP_MASK 63
@ -280,8 +280,8 @@ listout_contains(nodenum_t el)
************************************************************/
/*
* a group is a set of connected nodes
* that consequently share the same potential
* a group is a set of connected nodes, which consequently
* share the same potential
*
* we use an array and a count for O(1) insert and
* iteration, and a redundant bitmap for O(1) lookup
@ -396,12 +396,11 @@ addNodeToGroup(nodenum_t i)
/*
* 1. if the group is connected to GND, it's 0
* 2. if the group is connected to VCC, it's 1
* 3a. if there is a pullup node, it's 1
* 3b. if there is a pulldown node, it's 0
* (if both 1 and 2 are true, the first pullup or pulldown wins, with
* a statistical advantage towards STATE_1)
* 4. otherwise, if there is an 1/floating node, it's 1/floating
* 5. otherwise, it's 0/floating (if there is a 0/floating node, which is always the case)
* 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)
*/
static inline void
getNodeValue(BOOL *value, BOOL *floating)
@ -807,7 +806,7 @@ chipStatus()
************************************************************/
void
halfStep()
step()
{
BOOL clk = isNodeHigh(clk0);
@ -819,12 +818,7 @@ halfStep()
writeDataBus(mRead(readAddressBus()));
if (!clk && !isNodeHigh(rw))
mWrite(readAddressBus(), readDataBus());
}
void
step()
{
halfStep();
cycle++;
}
@ -901,8 +895,6 @@ resetChip()
for (transnum_t tn = 0; tn < TRANSISTORS; tn++)
set_transistors_on(tn, NO);
cycle = 0;
setLow(res);
setLow(clk0);
setHigh(rdy);
@ -921,6 +913,8 @@ resetChip()
/* release RESET */
setHigh(res);
cycle = 0;
}
/************************************************************