#define ROW(code) ((code>>3)&0xF)
#define COL(code) (code&0x07)
-static bool is_modified = false;
-
-inline
-uint8_t matrix_rows(void)
+static void pc98_inhibit_repeat(void)
{
- return MATRIX_ROWS;
-}
+ uint8_t code;
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
+ while (serial_recv()) ;
+RETRY:
+ PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
+ _delay_ms(500);
+ serial_send(0x9C);
+
+ PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
+ _delay_ms(100);
+ while (!(code = serial_recv())) ;
+ print("PC98: send 9C: "); print_hex8(code); print("\n");
+ if (code != 0xFA) goto RETRY;
+
+
+
+ PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
+ _delay_ms(100);
+ serial_send(0x70);
+
+ PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
+ _delay_ms(100);
+ //code = serial_recv();
+ while (!(code = serial_recv())) ;
+ print("PC98: send 70: "); print_hex8(code); print("\n");
+ if (code != 0xFA) goto RETRY;
}
void matrix_init(void)
{
- print_enable = true;
- debug_enable = true;
- //debug_matrix = true;
-
PC98_RST_DDR |= (1<<PC98_RST_BIT);
PC98_RDY_DDR |= (1<<PC98_RDY_BIT);
PC98_RTY_DDR |= (1<<PC98_RTY_BIT);
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
PC98_RTY_PORT |= (1<<PC98_RTY_BIT);
- DDRD |= 1<<7;
-
serial_init();
// PC98 reset
+/*
PC98_RST_PORT &= ~(1<<PC98_RST_BIT);
_delay_us(15);
PC98_RST_PORT |= (1<<PC98_RST_BIT);
_delay_us(13);
- PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
+ PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
+*/
+
+ _delay_ms(500);
+ pc98_inhibit_repeat();
+
// PC98 ready
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
uint8_t matrix_scan(void)
{
- is_modified = false;
-
uint16_t code;
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_us(30);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
if (code == -1) return 0;
- debug_hex(code); debug(" ");
+if (code == 0x60) {
+ pc98_inhibit_repeat();
+
+/*
+ PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
+ _delay_ms(100);
+ serial_send(0x96);
+ PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
+*/
+
+ return 0;
+}
+
+ print_hex8(code); print(" ");
if (code&0x80) {
// break code
if (matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] &= ~(1<<COL(code));
- is_modified = true;
}
} else {
// make code
if (!matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] |= (1<<COL(code));
- is_modified = true;
}
}
return code;
}
-bool matrix_is_modified(void)
-{
- return is_modified;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
- return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & (1<<col));
-}
-
inline
uint8_t matrix_get_row(uint8_t row)
{
return matrix[row];
}
-
-void matrix_print(void)
-{
- print("\nr/c 01234567\n");
- for (uint8_t row = 0; row < matrix_rows(); row++) {
- phex(row); print(": ");
- pbin_reverse(matrix_get_row(row));
- print("\n");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop(matrix[i]);
- }
- return count;
-}