Apple-2-HW/analog-firmware
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Hardware UART should only be enabled on AnalogGS or custom hardware

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This commit is contained in:
David Kuder 2023-04-17 00:48:40 -04:00
parent ef562a65b8
commit 0a23cd3eff
2 changed files with 16 additions and 3 deletions
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5
common/main.c
View File

@ -209,16 +209,15 @@ int main() {
// Load the config from flash, or defaults
read_config();
#ifdef FUNCTION_Z80
#if defined(FUNCTION_Z80) && defined(ANALOG_GS)
uart_init(uart0, sio[0].baudrate);
uart_init(uart1, sio[1].baudrate);
gpio_set_function(0, GPIO_FUNC_UART);
gpio_set_function(1, GPIO_FUNC_UART);
gpio_set_function(2, GPIO_FUNC_UART);
gpio_set_function(3, GPIO_FUNC_UART);
uart_init(uart1, sio[1].baudrate);
gpio_set_function(4, GPIO_FUNC_UART);
gpio_set_function(5, GPIO_FUNC_UART);
gpio_set_function(6, GPIO_FUNC_UART);

14
z80/z80main.c
View File

@ -36,6 +36,7 @@ uint8_t DELAYED_COPY_CODE(zuart_read)(bool port) {
}
switch(serialmux[port]) {
default:
case SERIAL_LOOP:
break;
case SERIAL_USB:
@ -44,6 +45,7 @@ uint8_t DELAYED_COPY_CODE(zuart_read)(bool port) {
sio[port].datavalid = 1;
}
break;
#ifdef ANALOG_GS
case SERIAL_UART:
if(port) {
if(uart_is_readable(uart1)) {
@ -57,6 +59,7 @@ uint8_t DELAYED_COPY_CODE(zuart_read)(bool port) {
}
}
break;
#endif
}
return rv;
@ -87,6 +90,7 @@ uint8_t DELAYED_COPY_CODE(auart_status)(bool port) {
rv = sio[port].datavalid ? 0x08 : 0x00;
switch(serialmux[port]) {
default:
case SERIAL_LOOP:
rv |= ((sio[port].control[5] & 0x02) ? 0x40 : 0x00) |
((sio[port].control[5] & 0x80) ? 0x20 : 0x00) |
@ -97,6 +101,7 @@ uint8_t DELAYED_COPY_CODE(auart_status)(bool port) {
(tud_cdc_n_connected(port) ? 0x00 : 0x20) |
(tud_cdc_n_write_available(port) ? 0x10 : 0x00);
break;
#ifdef ANALOG_GS
case SERIAL_UART:
if(port) {
rv |= (uart_is_writable(uart1) ? 0x10 : 0x00);
@ -104,6 +109,7 @@ uint8_t DELAYED_COPY_CODE(auart_status)(bool port) {
rv |= (uart_is_writable(uart0) ? 0x10 : 0x00);
}
break;
#endif
}
return rv;
@ -130,6 +136,7 @@ uint8_t DELAYED_COPY_CODE(auart_command)(bool port, uint8_t value) {
uint8_t DELAYED_COPY_CODE(zuart_write)(bool port, uint8_t value) {
switch(serialmux[port]) {
default:
case SERIAL_LOOP:
if(sio[port].datavalid) {
sio[port].status[1] |= 0x20;
@ -142,6 +149,7 @@ uint8_t DELAYED_COPY_CODE(zuart_write)(bool port, uint8_t value) {
tud_cdc_n_write_char(port, value);
}
break;
#ifdef ANALOG_GS
case SERIAL_UART:
if(port) {
if(uart_is_writable(uart1)) {
@ -153,6 +161,7 @@ uint8_t DELAYED_COPY_CODE(zuart_write)(bool port, uint8_t value) {
}
}
break;
#endif
}
return value;
}
@ -170,6 +179,7 @@ uint8_t DELAYED_COPY_CODE(zuart_status)(bool port) {
rv = sio[port].datavalid ? 0x01 : 0x00;
switch(serialmux[port]) {
default:
case SERIAL_LOOP:
rv |= ((sio[port].control[5] & 0x02) ? 0x20 : 0x00) |
((sio[port].control[5] & 0x80) ? 0x08 : 0x00) |
@ -180,6 +190,7 @@ uint8_t DELAYED_COPY_CODE(zuart_status)(bool port) {
(tud_cdc_n_connected(port) ? 0x08 : 0x00) |
(tud_cdc_n_write_available(port) ? 0x04 : 0x00);
break;
#ifdef ANALOG_GS
case SERIAL_UART:
if(port) {
rv |= 0x20 |
@ -189,6 +200,7 @@ uint8_t DELAYED_COPY_CODE(zuart_status)(bool port) {
(uart_is_writable(uart0) ? 0x00 : 0x04);
}
break;
#endif
}
break;
case 1:
@ -264,6 +276,7 @@ void DELAYED_COPY_CODE(cpu_out)(uint16_t address, uint8_t value) {
if((address & 0x02) == 0) {
divisor = value ? value : 256;
sio[address & 0x01].baudrate = 115200 / divisor;
#ifdef ANALOG_GS
if(serialmux[(address & 0x01)] == SERIAL_UART) {
if(address & 0x01) {
uart_set_baudrate(uart1, sio[1].baudrate);
@ -271,6 +284,7 @@ void DELAYED_COPY_CODE(cpu_out)(uint16_t address, uint8_t value) {
uart_set_baudrate(uart0, sio[0].baudrate);
}
}
#endif
}
} else if(value & 1) {
ctc[address & 0x03].control = value;