diff options
Diffstat (limited to 'converter/pc98_usb')
| -rw-r--r-- | converter/pc98_usb/matrix.c | 60 |
1 files changed, 54 insertions, 6 deletions
diff --git a/converter/pc98_usb/matrix.c b/converter/pc98_usb/matrix.c index 2f1e821c5d..18ad5bfe7c 100644 --- a/converter/pc98_usb/matrix.c +++ b/converter/pc98_usb/matrix.c @@ -61,11 +61,42 @@ uint8_t matrix_cols(void) return MATRIX_COLS; } +static void pc98_inhibit_repeat(void) +{ + uint8_t code; + + 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; +// debug_enable = true; +// debug_matrix = true; PC98_RST_DDR |= (1<<PC98_RST_BIT); PC98_RDY_DDR |= (1<<PC98_RDY_BIT); @@ -74,17 +105,21 @@ void matrix_init(void) 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); @@ -107,7 +142,20 @@ uint8_t matrix_scan(void) 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 |