int test_link_assist_rx() {
asic_t *asic = asic_init(TI83pSE, NULL);
z80iodevice_t link_assist_rx_read = asic->cpu->devices[0x0A];
z80iodevice_t link_assist_status = asic->cpu->devices[0x09];
link_state_t *state = link_assist_rx_read.device;
if (!link_recv_byte(asic, 0xBE)) {
asic_free(asic);
return 1;
}
if (link_recv_byte(asic, 0xEF)) {
asic_free(asic);
return 2;
}
uint8_t status = link_assist_status.read_in(state);
if (status != state->assist.status.u8 ||
!state->assist.status.rx_ready ||
!state->assist.status.int_rx_ready) {
return 3;
}
uint8_t val = link_assist_rx_read.read_in(state);
if (val != 0xBE) {
return 4;
}
status = link_assist_status.read_in(state);
if (status != state->assist.status.u8 ||
state->assist.status.rx_ready ||
state->assist.status.int_rx_ready) {
return 5;
}
return 0;
}
void send_byte_from_input(struct debugger_state *state) {
if (!link_input) {
return;
}
int c = getc(link_input);
if (c == EOF) {
fclose(link_input);
hook_remove_port_in(state->asic->hook, hook);
return;
}
if (!link_recv_byte(state->asic, (uint8_t)c)) {
state->print(state, "Warning: link not ready\n");
ungetc(c, link_input);
}
}
int handle_send(struct debugger_state *state, int argc, char **argv) {
char *path = strdup(argv[2]);
wordexp_t p;
if (wordexp(path, &p, 0) == 0) {
free(path);
path = strdup(p.we_wordv[0]);
}
link_input = fopen(path, "r");
if (link_input) {
state->print(state, "Sending file: %s\n", path);
hook = hook_add_port_in(state->asic->hook, 0x0A, 0x0A, state, on_link_rx_buffer_read);
send_byte_from_input(state);
free(path);
return 0;
}
free(path);
int strl = 0;
int i;
for (i = 1; i < argc - 1; i++) {
strl += strlen(argv[i + 1]) + 1;
}
char *data = malloc(strl);
char *dpointer = data;
for (i = 1; i < argc - 1; i++) {
strcpy(dpointer, argv[i + 1]);
dpointer += strlen(argv[i + 1]);
*(dpointer++) = ' ';
}
*(dpointer - 1) = 0;
uint8_t expr = parse_expression_z80e(state, data);
free(data);
if (!link_recv_byte(state->asic, expr)) {
state->print(state, "Calculator is not ready to receive another byte.\n");
} else {
state->print(state, "Sent %02X to calculator's link assist.\n", expr);
}
return 0;
}