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Diffstat (limited to 'vdp.c')
-rw-r--r--vdp.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/vdp.c b/vdp.c
index 18b2eae..5a90e8b 100644
--- a/vdp.c
+++ b/vdp.c
@@ -3809,14 +3809,24 @@ int vdp_control_port_write(vdp_context * context, uint16_t value)
context->kmod_msg_buffer[context->kmod_buffer_length - 1] = c;
} else if (context->kmod_buffer_length) {
context->kmod_msg_buffer[context->kmod_buffer_length] = 0;
- init_terminal();
- printf("KDEBUG MESSAGE: %s\n", context->kmod_msg_buffer);
+ if (is_stdout_enabled()) {
+ init_terminal();
+ printf("KDEBUG MESSAGE: %s\n", context->kmod_msg_buffer);
+ } else {
+ // GDB remote debugging is enabled, use stderr instead
+ fprintf(stderr, "KDEBUG MESSAGE: %s\n", context->kmod_msg_buffer);
+ }
context->kmod_buffer_length = 0;
}
} else if (reg == REG_KMOD_TIMER) {
if (!(value & 0x80)) {
- init_terminal();
- printf("KDEBUG TIMER: %d\n", (context->cycles - context->timer_start_cycle) / 7);
+ if (is_stdout_enabled()) {
+ init_terminal();
+ printf("KDEBUG TIMER: %d\n", (context->cycles - context->timer_start_cycle) / 7);
+ } else {
+ // GDB remote debugging is enabled, use stderr instead
+ fprintf(stderr, "KDEBUG TIMER: %d\n", (context->cycles - context->timer_start_cycle) / 7);
+ }
}
if (value & 0xC0) {
context->timer_start_cycle = context->cycles;