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rewrote print_mem to use Windows Console API to paint memory buffer in one call

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This commit is contained in:
jborza 2019-04-27 21:39:29 +02:00
parent bc929a4d14
commit cece1dedc1
1 changed files with 36 additions and 12 deletions
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46
debugger_windows.c
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@ -10,7 +10,11 @@
#define MEMORY_SIZE 0xFFFF
#define PRG_START 0x0600
#define BLOCK 0xDB
#define DISP_WIDTH 32
#define DISP_HEIGHT 32
#define FRAME_RIGHT 35
int glob_file_size;
int last_key;
@ -19,6 +23,11 @@ HANDLE hStdOut;
void init_console() {
hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
SMALL_RECT windowSize = { 0, 0, 80, 40 };
/* Set the window size */
SetConsoleWindowInfo(hStdOut, TRUE, &windowSize);
}
void con_set_color(unsigned int fg_color, unsigned int bg_color)
@ -56,7 +65,7 @@ void print_row(State6502 * state, int start_address) {
}
}
void print_mem(State6502 * state) {
void print_mem_slow(State6502 * state) {
for (int row = 0; row < 32; row++)
{
con_set_xy(1, 1 + row);
@ -64,25 +73,40 @@ void print_mem(State6502 * state) {
}
}
void print_mem(State6502 * state) {
SMALL_RECT console_write_area = { 1, 1, DISP_WIDTH + 1, DISP_HEIGHT + 1 };
CHAR_INFO console_buffer[DISP_WIDTH * DISP_HEIGHT];
COORD character_position = { 0, 0 };
COORD console_buffer_size = { DISP_WIDTH, DISP_HEIGHT };
for (int y = 0; y < DISP_WIDTH; y++)
for (int x = 0; x < DISP_HEIGHT; x++) {
console_buffer[x + y * DISP_WIDTH].Char.AsciiChar = 0;
byte color_bg = state->memory[0x200 + x + y * DISP_WIDTH];
console_buffer[x + y * DISP_WIDTH].Attributes = color_bg << 4;
}
WriteConsoleOutputA(hStdOut, console_buffer, console_buffer_size, character_position, &console_write_area);
}
void print_state_debug(State6502 * state) {
con_set_xy(40, 0);
con_set_xy(FRAME_RIGHT, 0);
printf("A=$%02X X=$%02X Y=$%02X", state->a, state->x, state->y);
con_set_xy(40, 1);
con_set_xy(FRAME_RIGHT, 1);
printf("SP=$%02X PC=$%04X", state->sp, state->pc);
con_set_xy(40, 3);
con_set_xy(FRAME_RIGHT, 3);
printf("NV-BDIZC");
con_set_xy(40, 4);
con_set_xy(FRAME_RIGHT, 4);
printf("%d%d%d%d%d%d%d%d", state->flags.n, state->flags.v, state->flags.pad, state->flags.b, state->flags.d, state->flags.i, state->flags.z, state->flags.c);
}
void print_stack(State6502 * state) {
con_set_xy(40, 16);
con_set_xy(FRAME_RIGHT, 16);
for (int i = state->sp + 1; i <= 0xFF; i++)
printf("%02x ", state->memory[STACK_HOME + i]);
}
byte * read_bin() {
FILE* file = fopen("bins\\snake_fast.bin", "rb");
FILE* file = fopen("bins\\07.bin", "rb");
if (!file) {
int err = errno;
exit(1);
@ -149,13 +173,13 @@ int main(int argc, char* argv[]) {
//update screen every N ticks
do
{
con_set_xy(40, 8);
con_set_xy(FRAME_RIGHT, 8);
printf(" ");
con_set_xy(40, 8);
con_set_xy(FRAME_RIGHT, 8);
con_set_color(0x0F, 0x00); //white FG, black BG
disassemble_6502(state.memory, state.pc);
for (int i = 0; i < 64; i++) {
for (int i = 0; i < 1; i++) {
emulate_6502_op(&state);
check_keys();
state.memory[0xFF] = last_key & 0xFF;