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code cleanup and minor fixes

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oxygenic 2012-12-31 14:41:59 +01:00
parent 8c78216dc1
commit 1d241cca05
26 changed files with 1048 additions and 1092 deletions
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32
backend/large.c
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@ -24,7 +24,7 @@
#include "common.h"
#include "large.h"
static short int BCD[40] = {
static const short int BCD[40] = {
0, 0, 0, 0,
1, 0, 0, 0,
0, 1, 0, 0,
@ -91,7 +91,7 @@ void binary_subtract(short int accumulator[], short int input_buffer[])
/* take input_buffer from accumulator and put answer in accumulator */
int i;
short int sub_buffer[112];
for(i = 0; i < 112; i++) {
if(input_buffer[i] == 0) {
sub_buffer[i] = 1;
@ -100,9 +100,9 @@ void binary_subtract(short int accumulator[], short int input_buffer[])
}
}
binary_add(accumulator, sub_buffer);
sub_buffer[0] = 1;
for(i = 1; i < 112; i++) {
sub_buffer[i] = 0;
}
@ -112,7 +112,7 @@ void binary_subtract(short int accumulator[], short int input_buffer[])
void shiftdown(short int buffer[])
{
int i;
buffer[102] = 0;
buffer[103] = 0;
@ -124,11 +124,11 @@ void shiftdown(short int buffer[])
void shiftup(short int buffer[])
{
int i;
for(i = 102; i > 0; i--) {
buffer[i] = buffer[i - 1];
}
buffer[0] = 0;
}
@ -139,8 +139,8 @@ short int islarger(short int accum[], short int reg[])
latch = 0;
i = 103;
larger = 0;
do {
if((accum[i] == 1) && (reg[i] == 0)) {
latch = 1;
@ -151,7 +151,7 @@ short int islarger(short int accum[], short int reg[])
}
i--;
} while ((latch == 0) && (i >= -1));
return larger;
}
@ -159,21 +159,21 @@ void binary_load(short int reg[], char data[], const unsigned int src_len)
{
int read, i;
short int temp[112] = { 0 };
for(i = 0; i < 112; i++) {
reg[i] = 0;
}
for(read = 0; read < src_len; read++) {
for(i = 0; i < 112; i++) {
temp[i] = reg[i];
}
for(i = 0; i < 9; i++) {
binary_add(reg, temp);
}
temp[0] = BCD[ctoi(data[read]) * 4];
temp[1] = BCD[(ctoi(data[read]) * 4) + 1];
temp[2] = BCD[(ctoi(data[read]) * 4) + 2];
@ -181,12 +181,12 @@ void binary_load(short int reg[], char data[], const unsigned int src_len)
for(i = 4; i < 112; i++) {
temp[i] = 0;
}
binary_add(reg, temp);
}
}
void hex_dump(short int input_buffer[])
void hex_dump(short int input_buffer[])
{
int i, digit, byte_space;