inp004.c
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#include <bstring.h>
#include <math.h>
#include <stdio.h>
#include "inp.h"
static void varySubAInputs(void);
static void varySubBInputs(void);
static void varyMultInputs(void);
static void varyAddInputs(void);
static void monteCarlo(void);
int
main(int argc, char *argv[])
{
printHeader();
varySubAInputs();
varySubBInputs();
varyMultInputs();
varyAddInputs();
monteCarlo();
printTrailingCycles();
}
static void
varySubAInputs(void)
{
cc_t cc;
cc_t *ccp = &cc;
int i;
int env_values[] = {0x00, 0x01, 0xff };
int tf_values[] = {0x000, 0x001, 0x0ff, 0x100, 0x17f, 0x180, 0x1ff };
printf("# Vary Subtractor A Inputs\n");
bzero(ccp, sizeof(cc));
ccp->ncyc = 0; /* single cycle mode */
/* Initialize (y,a,c) selects to produce (0,0xff,0) */
ccp->cc_y_sel_1_r = CC_SUBB_ZERO;
ccp->cc_a_sel_1_r = CC_MULT_LODF;
ccp->cc_c_sel_1_r = CC_ADD_ZERO;
ccp->cc_y_sel_1_a = CC_SUBB_ZERO_ALPHA;
ccp->cc_a_sel_1_a = CC_MULT_LODF_ALPHA;
ccp->cc_c_sel_1_a = CC_ADD_ZERO_ALPHA;
ccp->tf_lod_frac = 0xff;
printf("# Walking 0's\n");
ccp->cc_x_sel_1_r = CC_SUBA_TEX_1;
ccp->cc_x_sel_1_a = CC_SUBA_TEX_1_ALPHA;
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x1ff;
printVector(ccp, 1);
for (i = 0; i < 9; i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a =
~(1 << i) & 0x1ff;
printVector(ccp, 1);
}
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x0;
printf("# Ones\n");
ccp->cc_x_sel_1_r = CC_SUBA_ONE;
ccp->cc_x_sel_1_a = CC_SUBA_ONE_ALPHA;
printVector(ccp, 1);
printf("# Zeroes\n");
ccp->cc_x_sel_1_r = CC_SUBA_ZERO;
ccp->cc_x_sel_1_a = CC_SUBA_ZERO_ALPHA;
printVector(ccp, 1);
printf("# Various borderline numbers through an 8 bit pathway\n");
ccp->cc_x_sel_1_r = CC_SUBA_ENV_CLR;
ccp->cc_x_sel_1_a = CC_SUBA_ENV_ALPHA;
for (i = 0; i < sizeof(env_values)/sizeof(int); i++) {
ccp->env_r = ccp->env_g = ccp->env_b = ccp->env_a = env_values[i];
printVector(ccp, 1);
}
printf("# Various borderline numbers through a 9 bit pathway\n");
ccp->cc_x_sel_1_r = CC_SUBA_TEX_1;
ccp->cc_x_sel_1_a = CC_SUBA_TEX_1_ALPHA;
for (i = 0; i < sizeof(tf_values)/sizeof(int); i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = tf_values[i];
printVector(ccp, 1);
}
}
static void
varySubBInputs(void)
{
cc_t cc;
cc_t *ccp = &cc;
int i;
int env_values[] = {0x00, 0x01, 0xff };
int tf_values[] = {0x000, 0x001, 0x0ff, 0x100, 0x17f, 0x180, 0x1ff };
printf("# Vary Subtractor B Inputs\n");
bzero(ccp, sizeof(cc));
ccp->ncyc = 0; /* single cycle mode */
/* Initialize (x,a,c) selects to produce (1,.ff,0) */
ccp->cc_x_sel_1_r = CC_SUBA_ONE;
ccp->cc_a_sel_1_r = CC_MULT_LODF;
ccp->cc_c_sel_1_r = CC_ADD_ZERO;
ccp->cc_x_sel_1_a = CC_SUBA_ONE_ALPHA;
ccp->cc_a_sel_1_a = CC_MULT_LODF_ALPHA;
ccp->cc_c_sel_1_a = CC_ADD_ZERO_ALPHA;
ccp->tf_lod_frac = 0xff;
printf("# Walking 0's\n");
ccp->cc_y_sel_1_r = CC_SUBA_TEX_1;
ccp->cc_y_sel_1_a = CC_SUBA_TEX_1_ALPHA;
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x1ff;
printVector(ccp, 1);
for (i = 0; i < 9; i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a =
~(1 << i) & 0x1ff;
printVector(ccp, 1);
}
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x0;
printf("# Zeroes\n");
ccp->cc_y_sel_1_r = CC_SUBB_ZERO;
ccp->cc_y_sel_1_a = CC_SUBB_ZERO_ALPHA;
printVector(ccp, 1);
printf("# Ones\n");
ccp->cc_y_sel_1_a = CC_SUBB_ONE_ALPHA;
printVector(ccp, 1);
printf("# Various borderline numbers through an 8 bit pathway\n");
ccp->cc_y_sel_1_r = CC_SUBB_ENV_CLR;
ccp->cc_y_sel_1_a = CC_SUBB_ENV_ALPHA;
for (i = 0; i < sizeof(env_values)/sizeof(int); i++) {
ccp->env_r = ccp->env_g = ccp->env_b = ccp->env_a = env_values[i];
printVector(ccp, 1);
}
printf("# Various borderline numbers through a 9 bit pathway\n");
ccp->cc_y_sel_1_r = CC_SUBB_TEX_1;
ccp->cc_y_sel_1_a = CC_SUBB_TEX_1_ALPHA;
for (i = 0; i < sizeof(tf_values)/sizeof(int); i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = tf_values[i];
printVector(ccp, 1);
}
}
static void
varyMultInputs(void)
{
cc_t cc;
cc_t *ccp = &cc;
int i;
int env_values[] = {0x00, 0x01, 0xff };
int tf_values[] = {0x000, 0x001, 0x0ff, 0x100, 0x17f, 0x180, 0x1ff };
printf("# Vary Multiplier Inputs\n");
bzero(ccp, sizeof(cc));
ccp->ncyc = 0; /* single cycle mode */
/* Initialize (x,y,c) selects to produce (1,0,0) */
ccp->cc_x_sel_1_r = CC_SUBA_ONE;
ccp->cc_y_sel_1_r = CC_SUBB_ZERO;
ccp->cc_c_sel_1_r = CC_ADD_ZERO;
ccp->cc_x_sel_1_a = CC_SUBA_ONE_ALPHA;
ccp->cc_y_sel_1_a = CC_SUBB_ZERO_ALPHA;
ccp->cc_c_sel_1_a = CC_ADD_ZERO_ALPHA;
printf("# Walking 0's\n");
ccp->cc_a_sel_1_r = CC_MULT_TEX_1;
ccp->cc_a_sel_1_a = CC_MULT_TEX_1_ALPHA;
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x1ff;
printVector(ccp, 1);
for (i = 0; i < 9; i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a =
~(1 << i) & 0x1ff;
printVector(ccp, 1);
}
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x0;
printf("# Zeroes\n");
ccp->cc_a_sel_1_r = CC_MULT_ZERO;
ccp->cc_a_sel_1_a = CC_MULT_ZERO_ALPHA;
printVector(ccp, 1);
printf("# Various borderline numbers through an 8 bit pathway\n");
ccp->cc_a_sel_1_r = CC_MULT_ENV_CLR;
ccp->cc_a_sel_1_a = CC_MULT_ENV_ALPHA;
for (i = 0; i < sizeof(env_values)/sizeof(int); i++) {
ccp->env_r = ccp->env_g = ccp->env_b = ccp->env_a = env_values[i];
printVector(ccp, 1);
}
printf("# Various borderline numbers through a 9 bit pathway\n");
ccp->cc_a_sel_1_r = CC_MULT_TEX_1;
ccp->cc_a_sel_1_a = CC_MULT_TEX_1_ALPHA;
for (i = 0; i < sizeof(tf_values)/sizeof(int); i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = tf_values[i];
printVector(ccp, 1);
}
}
static void
varyAddInputs(void)
{
cc_t cc;
cc_t *ccp = &cc;
int i;
int env_values[] = {0x00, 0x01, 0xff };
int tf_values[] = {0x000, 0x001, 0x0ff, 0x100, 0x17f, 0x180, 0x1ff };
printf("# Vary Adder Inputs\n");
bzero(ccp, sizeof(cc));
ccp->ncyc = 0; /* single cycle mode */
/* Initialize (x,y,a) selects to produce (0,0,0) */
ccp->cc_x_sel_1_r = CC_SUBA_ZERO;
ccp->cc_y_sel_1_r = CC_SUBB_ZERO;
ccp->cc_a_sel_1_r = CC_MULT_ZERO;
ccp->cc_x_sel_1_a = CC_SUBA_ZERO_ALPHA;
ccp->cc_y_sel_1_a = CC_SUBB_ZERO_ALPHA;
ccp->cc_a_sel_1_a = CC_MULT_ZERO_ALPHA;
printf("# Walking 0's\n");
ccp->cc_c_sel_1_r = CC_ADD_TEX_1;
ccp->cc_c_sel_1_a = CC_ADD_TEX_1_ALPHA;
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x1ff;
printVector(ccp, 1);
for (i = 0; i < 9; i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a =
~(1 << i) & 0x1ff;
printVector(ccp, 1);
}
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = 0x0;
printf("# Ones\n");
ccp->cc_c_sel_1_r = CC_ADD_ONE;
ccp->cc_c_sel_1_a = CC_ADD_ONE_ALPHA;
printVector(ccp, 1);
printf("# Zeroes\n");
ccp->cc_c_sel_1_r = CC_ADD_ZERO;
ccp->cc_c_sel_1_a = CC_ADD_ZERO_ALPHA;
printVector(ccp, 1);
printf("# Various borderline numbers through an 8 bit pathway\n");
ccp->cc_c_sel_1_r = CC_ADD_ENV_CLR;
ccp->cc_c_sel_1_a = CC_ADD_ENV_ALPHA;
for (i = 0; i < sizeof(env_values)/sizeof(int); i++) {
ccp->env_r = ccp->env_g = ccp->env_b = ccp->env_a = env_values[i];
printVector(ccp, 1);
}
printf("# Various borderline numbers through a 9 bit pathway\n");
ccp->cc_c_sel_1_r = CC_ADD_TEX_1;
ccp->cc_c_sel_1_a = CC_ADD_TEX_1_ALPHA;
for (i = 0; i < sizeof(tf_values)/sizeof(int); i++) {
ccp->tf_r = ccp->tf_g = ccp->tf_b = ccp->tf_a = tf_values[i];
printVector(ccp, 1);
}
}
static void
monteCarlo(void)
{
cc_t cc;
cc_t *ccp = &cc;
int i;
printf("# Monte Carlo\n");
srandom(1);
bzero(ccp, sizeof(cc));
ccp->ncyc = 0; /* single cycle mode */
ccp->cc_x_sel_1_r = CC_SUBA_TEX_1;
ccp->cc_y_sel_1_r = CC_SUBB_TEX_0;
ccp->cc_a_sel_1_r = CC_MULT_LODF;
ccp->cc_c_sel_1_r = CC_ADD_COMBO_CLR;
ccp->cc_x_sel_1_a = CC_SUBA_TEX_1_ALPHA;
ccp->cc_y_sel_1_a = CC_SUBB_TEX_0_ALPHA;
ccp->cc_a_sel_1_a = CC_MULT_LODF_ALPHA;
ccp->cc_c_sel_1_a = CC_ADD_COMBO_ALPHA;
for (i = 0; i < 100; i++) {
ccp->tf_r = random() & 0x1ff;
ccp->tf_g = random() & 0x1ff;
ccp->tf_b = random() & 0x1ff;
ccp->tf_a = random() & 0x1ff;
ccp->tf_lod_frac = random() & 0x1ff;
printVector(ccp, 1);
}
}