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mirror of https://github.com/specht/champ.git synced 2024-10-07 17:55:55 +00:00

new options

This commit is contained in:
Michael Specht 2018-02-07 22:48:02 +01:00
parent f4f97bd4c9
commit fe8088a224
4 changed files with 73 additions and 19 deletions

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@ -1,2 +1,6 @@
champ: champ.c labels.h
gcc -o champ champ.c -lX11
labels.h: parse.rb plot3d20_Output.txt
./parse.rb

84
champ.c
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@ -40,6 +40,10 @@ uint64_t last_frame_cycle_count = 0;
uint64_t frame_cycle_count = 0;
uint64_t frame_count = 0;
uint16_t start_pc = 0x6000;
uint16_t start_frame_pc = 0xffff;
uint64_t max_frames = 0;
int init_display()
{
dsp = XOpenDisplay(NULL);
@ -129,11 +133,11 @@ void load(char* path, uint16_t offset)
f = fopen(path, "rw");
if (!f)
{
printf("Error reading file: %s\n", path);
fprintf(stderr, "Error reading file: %s\n", path);
exit(1);
}
size = fread(buffer, 1, 0x10000, f);
printf("Read 0x%04x bytes from %s, saved to 0x%04x.\n", (int)size, path, offset);
fprintf(stderr, "Read 0x%04x bytes from %s, saved to 0x%04x.\n", (int)size, path, offset);
memcpy(ram + offset, buffer, size);
fclose(f);
}
@ -177,7 +181,7 @@ void push(uint8_t value)
{
if (cpu.sp == 0)
{
printf("Stack overflow!\n");
fprintf(stderr, "Stack overflow!\n");
exit(1);
}
ram[(uint16_t)cpu.sp + 0x100] = value;
@ -188,7 +192,7 @@ uint8_t pop()
{
if (cpu.sp == 0xff)
{
printf("Stack underrun!\n");
fprintf(stderr, "Stack underrun!\n");
exit(1);
}
cpu.sp++;
@ -602,7 +606,7 @@ void handle_next_opcode()
if (opcode == NO_OPCODE || addressing_mode == NO_ADDRESSING_MODE)
{
printf("Unhandled opcode at %04x: %02x\n", old_ip, read_opcode);
fprintf(stderr, "Unhandled opcode at %04x: %02x\n", old_ip, read_opcode);
exit(1);
}
@ -662,7 +666,7 @@ void handle_next_opcode()
if (show_log)
{
printf("%04x | %d | %02x | %s %-18s | ", old_ip, cycles, read_opcode, OPCODE_STRINGS[opcode],
fprintf(stderr, "%04x | %d | %02x | %s %-18s | ", old_ip, cycles, read_opcode, OPCODE_STRINGS[opcode],
ADDRESSING_MODE_STRINGS[addressing_mode]
);
}
@ -971,7 +975,7 @@ void handle_next_opcode()
};
if (unhandled_opcode)
{
printf("Opcode not implemented yet!\n");
fprintf(stderr, "Opcode not implemented yet!\n");
exit(1);
}
cpu.total_cycles += cycles;
@ -987,9 +991,9 @@ void handle_next_opcode()
flags_str[4] = test_flag(NEGATIVE) ? 'N' : 'n';
flags_str[5] = 0;
printf("A: %02x, X: %02x, Y: %02x, PC: %04x, SP: %02x, FLAGS: %02x %s | %10ld |",
fprintf(stderr, "A: %02x, X: %02x, Y: %02x, PC: %04x, SP: %02x, FLAGS: %02x %s | %10ld |",
cpu.a, cpu.x, cpu.y, cpu.ip, cpu.sp, cpu.flags, flags_str, cpu.total_cycles);
printf("\n");
fprintf(stderr, "\n");
}
}
@ -1018,6 +1022,17 @@ void render_hires_screen()
}
}
int32_t find_address_for_label(const char* label)
{
for (int i = 0; i < LABEL_COUNT; i++)
if ((strlen(label) == strlen(LABELS[i])) &&
(strcmp(label, LABELS[i]) == 0))
for (int k = 0; k < 0x10000; k++)
if (label_for_address[k] == i)
return k;
return -1;
}
int main(int argc, char** argv)
{
if (argc < 2)
@ -1027,31 +1042,62 @@ int main(int argc, char** argv)
printf("Options:\n");
printf(" --show-screen\n");
printf(" --hide-log\n");
printf(" --start-pc <address or label>\n");
printf(" --frame-start <address or label>\n");
printf(" --max-frames <n>\n");
exit(1);
}
for (int i = 1; i < argc; i++)
for (int i = 1; i < argc - 1; i++)
{
if (strcmp(argv[i], "--show-screen") == 0)
show_screen = 1;
if (strcmp(argv[i], "--hide-log") == 0)
else if (strcmp(argv[i], "--hide-log") == 0)
show_log = 0;
else if (strcmp(argv[i], "--start-pc") == 0)
{
char *temp = argv[++i];
char *p = 0;
start_pc = strtol(temp, &p, 0);
if (p == temp)
start_pc = find_address_for_label(temp);
fprintf(stderr, "Using start PC: 0x%04x\n", start_pc);
}
else if (strcmp(argv[i], "--start-frame") == 0)
{
char *temp = argv[++i];
char *p = 0;
start_frame_pc = strtol(temp, &p, 0);
if (p == temp)
start_frame_pc = find_address_for_label(temp);
fprintf(stderr, "Using frame start: 0x%04x\n", start_frame_pc);
}
else if (strcmp(argv[i], "--max-frames") == 0)
{
char *temp = argv[++i];
char *p = 0;
max_frames = strtol(temp, &p, 0);
if (p == temp)
max_frames = find_address_for_label(temp);
fprintf(stderr, "Max frames: %d\n", max_frames);
}
else
{
fprintf(stderr, "Unknown argument: %s\n", argv[i]);
exit(1);
}
}
memset(ram, 0, sizeof(ram));
memset(cycles_per_function, 0, sizeof(cycles_per_function));
memset(calls_per_function, 0, sizeof(calls_per_function));
load(argv[argc - 1], 0);
// rotation mode
// ram[0x35b] = 0;
// high quality wireframe mode
// ram[0x35c] = 0;
if (show_screen)
init_display();
init_cpu(&cpu);
cpu.ip = 0x6017;
cpu.ip = start_pc;
struct timespec tstart = {0, 0};
clock_gettime(CLOCK_MONOTONIC, &tstart);
unsigned long start_time = tstart.tv_sec * 1000000000 + tstart.tv_nsec;
@ -1061,7 +1107,7 @@ int main(int argc, char** argv)
// if (cpu.ip >= 0xf5b2)
// printf("*** ");
handle_next_opcode();
if (cpu.ip == 0x6404)
if ((start_frame_pc != 0xffff) && (cpu.ip == start_frame_pc))
{
if (last_frame_cycle_count > 0)
{
@ -1114,8 +1160,8 @@ int main(int argc, char** argv)
}
}
}
printf("Total cycles: %d\n", cpu.total_cycles);
printf("Cycles per frame: %d\n", (uint64_t)((double)frame_cycle_count / frame_count));
fprintf(stderr, "Total cycles: %d\n", cpu.total_cycles);
fprintf(stderr, "Cycles per frame: %d\n", (uint64_t)((double)frame_cycle_count / frame_count));
for (uint32_t i = 0; i < 0x10000; i++)
{
if (cycles_per_function[i] > 0)

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@ -1,3 +1,4 @@
const uint16_t LABEL_COUNT = 692;
const char* LABELS[] = {
"]active_col", "]andmask", "]cur_line", "]cur_pix", "]hbash",
"]hbasl", "]lftbit", "]lftbyte", "]line", "]offset", "]repting",

View File

@ -27,6 +27,7 @@ symbols.uniq!
symbols.sort! { |a, b| a.downcase <=> b.downcase }
File::open('labels.h', 'w') do |f|
f.puts "const uint16_t LABEL_COUNT = #{symbols.size};"
f.puts "const char* LABELS[] = {";
line_length = 0
f.print ' '
@ -61,6 +62,8 @@ File::open('labels.h', 'w') do |f|
f.puts "};";
end
puts "Found #{symbols.size} labels."
# label_for_address.keys.sort.each do |address|
# puts sprintf("%04x %s", address, label_for_address[address])
# end