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Fixed backspace, mostly

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DavidBuchanan314 2017-02-08 15:37:31 +00:00
parent 622a2dda85
commit b9d74c2a85
1 changed files with 4 additions and 0 deletions
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4
6850.c
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@ -29,6 +29,7 @@ int stdin_ready() {
void step_uart() { void step_uart() {
if (write_addr == &memory[DATA_ADDR]) { if (write_addr == &memory[DATA_ADDR]) {
putchar(memory[DATA_ADDR]); putchar(memory[DATA_ADDR]);
if (memory[DATA_ADDR] == '\b') printf(" \b");
fflush(stdout); fflush(stdout);
write_addr = NULL; write_addr = NULL;
} else if (read_addr == &memory[DATA_ADDR]) { } else if (read_addr == &memory[DATA_ADDR]) {
@ -46,6 +47,9 @@ void step_uart() {
printf("\r\n"); printf("\r\n");
exit(0); exit(0);
} }
if (incoming_char == 0x7F) { // Backspace
incoming_char = '\b';
}
uart_SR.bits.RDRF = 1; uart_SR.bits.RDRF = 1;
} }
} }