@@ -175,92 +175,6 @@ static void next_scr2_led_update(NeXTPC *s)
}
}
-static bool next_rtc_cmd_is_write(uint8_t cmd)
-{
- return (cmd >= 0x80 && cmd <= 0x9f) ||
- (cmd == 0xb1);
-}
-
-static void next_rtc_data_in_irq(void *opaque, int n, int level)
-{
- NeXTRTC *rtc = NEXT_RTC(opaque);
-
- if (rtc->phase < 8) {
- rtc->command = (rtc->command << 1) | level;
-
- if (rtc->phase == 7 && !next_rtc_cmd_is_write(rtc->command)) {
- if (rtc->command <= 0x1f) {
- /* RAM registers */
- rtc->retval = rtc->ram[rtc->command];
- }
- if ((rtc->command >= 0x20) && (rtc->command <= 0x2f)) {
- /* RTC */
- time_t time_h = time(NULL);
- struct tm *info = localtime(&time_h);
- rtc->retval = 0;
-
- switch (rtc->command) {
- case 0x20:
- rtc->retval = SCR2_TOBCD(info->tm_sec);
- break;
- case 0x21:
- rtc->retval = SCR2_TOBCD(info->tm_min);
- break;
- case 0x22:
- rtc->retval = SCR2_TOBCD(info->tm_hour);
- break;
- case 0x24:
- rtc->retval = SCR2_TOBCD(info->tm_mday);
- break;
- case 0x25:
- rtc->retval = SCR2_TOBCD((info->tm_mon + 1));
- break;
- case 0x26:
- rtc->retval = SCR2_TOBCD((info->tm_year - 100));
- break;
- }
- }
- if (rtc->command == 0x30) {
- /* read the status 0x30 */
- rtc->retval = rtc->status;
- }
- if (rtc->command == 0x31) {
- /* read the control 0x31 */
- rtc->retval = rtc->control;
- }
- }
- }
- if (rtc->phase >= 8 && rtc->phase < 16) {
- if (next_rtc_cmd_is_write(rtc->command)) {
- /* Shift in value to write */
- rtc->value = (rtc->value << 1) | level;
- } else {
- /* Shift out value to read */
- if (rtc->retval & (0x80 >> (rtc->phase - 8))) {
- qemu_irq_raise(rtc->data_out_irq);
- } else {
- qemu_irq_lower(rtc->data_out_irq);
- }
- }
- }
-
- rtc->phase++;
- if (rtc->phase == 16 && next_rtc_cmd_is_write(rtc->command)) {
- if (rtc->command >= 0x80 && rtc->command <= 0x9f) {
- /* RAM registers */
- rtc->ram[rtc->command - 0x80] = rtc->value;
- }
- if (rtc->command == 0xb1) {
- /* write to 0x30 register */
- if (rtc->value & 0x04) {
- /* clear FTU */
- rtc->status = rtc->status & (~0x18);
- qemu_irq_lower(rtc->power_irq);
- }
- }
- }
-}
-
static void next_scr2_rtc_update(NeXTPC *s)
{
uint8_t old_scr2, scr2_2;
@@ -1012,6 +926,92 @@ static const MemoryRegionOps next_dummy_en_ops = {
.endianness = DEVICE_BIG_ENDIAN,
};
+static bool next_rtc_cmd_is_write(uint8_t cmd)
+{
+ return (cmd >= 0x80 && cmd <= 0x9f) ||
+ (cmd == 0xb1);
+}
+
+static void next_rtc_data_in_irq(void *opaque, int n, int level)
+{
+ NeXTRTC *rtc = NEXT_RTC(opaque);
+
+ if (rtc->phase < 8) {
+ rtc->command = (rtc->command << 1) | level;
+
+ if (rtc->phase == 7 && !next_rtc_cmd_is_write(rtc->command)) {
+ if (rtc->command <= 0x1f) {
+ /* RAM registers */
+ rtc->retval = rtc->ram[rtc->command];
+ }
+ if ((rtc->command >= 0x20) && (rtc->command <= 0x2f)) {
+ /* RTC */
+ time_t time_h = time(NULL);
+ struct tm *info = localtime(&time_h);
+ rtc->retval = 0;
+
+ switch (rtc->command) {
+ case 0x20:
+ rtc->retval = SCR2_TOBCD(info->tm_sec);
+ break;
+ case 0x21:
+ rtc->retval = SCR2_TOBCD(info->tm_min);
+ break;
+ case 0x22:
+ rtc->retval = SCR2_TOBCD(info->tm_hour);
+ break;
+ case 0x24:
+ rtc->retval = SCR2_TOBCD(info->tm_mday);
+ break;
+ case 0x25:
+ rtc->retval = SCR2_TOBCD((info->tm_mon + 1));
+ break;
+ case 0x26:
+ rtc->retval = SCR2_TOBCD((info->tm_year - 100));
+ break;
+ }
+ }
+ if (rtc->command == 0x30) {
+ /* read the status 0x30 */
+ rtc->retval = rtc->status;
+ }
+ if (rtc->command == 0x31) {
+ /* read the control 0x31 */
+ rtc->retval = rtc->control;
+ }
+ }
+ }
+ if (rtc->phase >= 8 && rtc->phase < 16) {
+ if (next_rtc_cmd_is_write(rtc->command)) {
+ /* Shift in value to write */
+ rtc->value = (rtc->value << 1) | level;
+ } else {
+ /* Shift out value to read */
+ if (rtc->retval & (0x80 >> (rtc->phase - 8))) {
+ qemu_irq_raise(rtc->data_out_irq);
+ } else {
+ qemu_irq_lower(rtc->data_out_irq);
+ }
+ }
+ }
+
+ rtc->phase++;
+ if (rtc->phase == 16 && next_rtc_cmd_is_write(rtc->command)) {
+ if (rtc->command >= 0x80 && rtc->command <= 0x9f) {
+ /* RAM registers */
+ rtc->ram[rtc->command - 0x80] = rtc->value;
+ }
+ if (rtc->command == 0xb1) {
+ /* write to 0x30 register */
+ if (rtc->value & 0x04) {
+ /* clear FTU */
+ rtc->status = rtc->status & (~0x18);
+ qemu_irq_lower(rtc->power_irq);
+ }
+ }
+ }
+}
+
static void next_rtc_cmd_reset_irq(void *opaque, int n, int level)
{
NeXTRTC *rtc = NEXT_RTC(opaque);