ShuriZma
/
fbneo
mirror of https://github.com/finalburnneo/FBNeo.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update pic16c5x to 1.14

This commit is contained in:
Barry Harris 2013-04-08 10:11:33 +00:00
parent 104d4b3de9
commit 0d79a1d4f0
1 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/cpu/pic16c5x/pic16c5x.cpp
View File

@ -38,6 +38,8 @@
* the W register. *
* - 'tris' instruction no longer modifies Port-C on PIC models that *
* do not have Port-C implemented. *
* TLP (07-Sep-2009) Ver 1.14 *
* - Edge sense control for the T0 count input was incorrectly reversed *
* *
* *
* **** Notes: **** *
@ -131,8 +133,8 @@ static const unsigned cycles_000_other[16]=
#define ADDR (R.opcode.b.l & 0x1f)
#define POSITIVE_EDGE_T0 (( (int)(T0_in-old_T0) > 0) ? 1 : 0)
#define NEGATIVE_EDGE_T0 (( (int)(old_T0-T0_in) > 0) ? 1 : 0)
#define RISING_EDGE_T0 (( (int)(T0_in-old_T0) > 0) ? 1 : 0)
#define FALLING_EDGE_T0 (( (int)(T0_in-old_T0) < 0) ? 1 : 0)
/******** The following is the Status Flag register definition. *********/
@ -824,7 +826,7 @@ static void pic16C5x_update_timer(int counts)
int pic16c5xRun(int cycles)
{
int T0_in;
UINT8 T0_in;
pic16C5x_icount = cycles;
do
@ -856,13 +858,14 @@ int pic16c5xRun(int cycles)
if (T0CS) { /* Count mode */
T0_in = S_T0_IN;
if (T0SE) { /* Count rising edge */
if (POSITIVE_EDGE_T0) {
if (T0_in) T0_in = 1;
if (T0SE) { /* Count falling edge T0 input */
if (FALLING_EDGE_T0) {
pic16C5x_update_timer(1);
}
}
else { /* Count falling edge */
if (NEGATIVE_EDGE_T0) {
else { /* Count rising edge T0 input */
if (RISING_EDGE_T0) {
pic16C5x_update_timer(1);
}
}