}
}
// register events
- //register_frame_event(this);
- //register_vline_event(this);
+ set_lines_per_frame(512);
+ //set_pixels_per_line(640);
+
crtc_clock = 28.6363e6;
- vm->set_vm_frame_rate(FRAMES_PER_SEC); // Its dummy.
+ set_frames_per_sec(FRAMES_PER_SEC); // Its dummy.
+ register_frame_event(this);
+
}
void TOWNS_CRTC::release()
ch = 0;
// initial settings for 1st frame
-#ifdef CHARS_PER_LINE
- hz_total = (CHARS_PER_LINE > 54) ? CHARS_PER_LINE : 54;
-#else
- hz_total = 54;
-#endif
- hz_disp = (hz_total > 80) ? 80 : 40;
- hs_start = hz_disp + 4;
- hs_end = hs_start + 4;
-
- vt_total = LINES_PER_FRAME;
- vt_disp = (SCREEN_HEIGHT > LINES_PER_FRAME) ? (SCREEN_HEIGHT >> 1) : SCREEN_HEIGHT;
- vs_start = vt_disp + 16;
- vs_end = vs_start + 16;
req_recalc = false;
-
timing_changed = false;
disp_end_clock = 0;
sprite_disp_page = 0; // OK?
sprite_enabled = false;
- crtc_clock = 28.6363e6; // OK?
+// crtc_clock = 28.6363e6; // OK?
line_count[0] = line_count[1] = 0;
vert_line_count = -1;
}
// Register vstart
- vm->set_vm_frame_rate(FRAMES_PER_SEC); // Its dummy.
+ pixels_per_line = 640;
+ lines_per_frame = 400;
+ set_frames_per_sec(FRAMES_PER_SEC); // Its dummy.
+ set_lines_per_frame(512);
+ //set_pixels_per_line(640);
+
force_recalc_crtc_param();
- register_event(this, EVENT_CRTC_VSTART, vstart_us, false, &event_id_vstart);
+// register_event(this, EVENT_CRTC_VSTART, vstart_us, false, &event_id_vstart);
}
// CRTC register #29
void TOWNS_CRTC::set_crtc_clock(uint16_t val)
eet_us = ((double)(regs[7] & 0x1f)) * horiz_ref; // EET
frame_us = ((double)(regs[8] & 0x07ff)) * horiz_ref; // VST
if(frame_us > 0.0) {
- vm->set_vm_frame_rate(1.0e6 / frame_us);
+ set_frames_per_sec(1.0e6 / frame_us); // Its dummy.
} else {
- vm->set_vm_frame_rate(FRAMES_PER_SEC);
+ set_frames_per_sec(FRAMES_PER_SEC); // Its dummy.
}
for(int layer = 0; layer < 2; layer++) {
d_vram->get_analog_palette(2, apal256);
vm->unlock_vm();
}
- int lines = d_vram->get_screen_height();
- int width = d_vram->get_screen_width();
+
+ int lines = lines_per_frame;
+ int width = pixels_per_line;
if(lines > TOWNS_CRTC_MAX_LINES) lines = TOWNS_CRTC_MAX_LINES;
if(width > TOWNS_CRTC_MAX_PIXELS) width = TOWNS_CRTC_MAX_PIXELS;
// ToDo: faster alpha blending.
}
ctrl_b >>= 2;
}
- for(int l = 0; l < 1; l++) {
+ for(int l = 0; l < 2; l++) {
if(to_disp[l]) {
uint32_t offset = vstart_addr[l];
offset = offset + head_address[l];
}
}
-void TOWNS_CRTC::event_pre_frame()
-{
- // ToDo: Resize frame buffer.
-}
void TOWNS_CRTC::update_timing(int new_clocks, double new_frames_per_sec, int new_lines_per_frame)
{
- cpu_clocks = new_clocks;
- frames_per_sec = new_frames_per_sec;
max_lines = new_lines_per_frame;
req_recalc = true;
}
+void TOWNS_CRTC::event_pre_frame()
+{
+ if(req_recalc) {
+ force_recalc_crtc_param();
+ }
+ int pb = pixels_per_line;
+ int lb = lines_per_frame;
+ if((voutreg_ctrl & 0x10) == 0) {
+ // Single layer
+ lines_per_frame = (int)(regs[14] & 0x07ff) - (int)(regs[13] & 0x07ff);
+ if(lines_per_frame < 0) lines_per_frame = 0;
+ pixels_per_line = (int)(regs[10] & 0x07ff) - (int)(regs[9] & 0x07ff);
+ if(pixels_per_line < 0) pixels_per_line = 0;
+ lines_per_frame >>= 1;
+ } else {
+ int l0 = (int)(regs[14] & 0x07ff) - (int)(regs[13] & 0x07ff);
+ int l1 = (int)(regs[16] & 0x07ff) - (int)(regs[15] & 0x07ff);
+ int w0 = (int)(regs[10] & 0x07ff) - (int)(regs[9] & 0x07ff);
+ int w1 = (int)(regs[12] & 0x07ff) - (int)(regs[11] & 0x07ff);
+ if(l0 > l1) {
+ lines_per_frame = l0;
+ } else {
+ lines_per_frame = l1;
+ }
+ if(w0 > w1) {
+ pixels_per_line = w0;
+ } else {
+ pixels_per_line = w1;
+ }
+ if(lines_per_frame < 0) lines_per_frame = 0;
+ if(pixels_per_line < 0) pixels_per_line = 0;
+ }
+ if(lb != lines_per_frame) {
+ set_lines_per_frame(lines_per_frame);
+ }
+ if(pb != pixels_per_line) {
+ // ToDo: Resize texture.
+ //set_pixels_per_line(pixels_per_line);
+ }
+}
+
+void TOWNS_CRTC::event_frame()
+{
+ display_linebuf = (display_linebuf + 1) & 3; // Incremant per vstart
+// if(req_recalc) {
+// force_recalc_crtc_param();
+// }
+ line_count[0] = line_count[1] = 0;
+ vert_line_count = -1;
+ if((horiz_us != next_horiz_us) || (vert_us != next_vert_us)) {
+ horiz_us = next_horiz_us;
+ vert_us = next_vert_us;
+ }
+ hsync = false;
+ for(int i = 0; i < 2; i++) {
+ hdisp[i] = false;
+ zoom_count_vert[i] = zoom_factor_vert[i];
+ }
+ // ToDo: EET
+ //register_event(this, EVENT_CRTC_VSTART, frame_us, false, &event_id_frame); // EVENT_VSTART MOVED TO event_frame().
+ if(d_sprite != NULL) {
+ d_sprite->write_signal(SIG_TOWNS_SPRITE_CALL_VSTART, 0xffffffff, 0xffffffff);
+ }
+ if(vert_sync_pre_us >= 0.0) {
+ vsync = false;
+ register_event(this, EVENT_CRTC_VST1, vert_sync_pre_us, false, &event_id_vst1); // VST1
+ } else {
+ vsync = true;
+ }
+ register_event(this, EVENT_CRTC_VST2, vst2_us, false, &event_id_vst2);
+ for(int i = 0; i < 2; i++) {
+ frame_in[i] = false;
+ if(event_id_vds[i] != -1) {
+ cancel_event(this, event_id_vds[i]);
+ }
+ if(event_id_vde[i] != -1) {
+ cancel_event(this, event_id_vde[i]);
+ }
+ if(vert_start_us[i] > 0.0) {
+ register_event(this, EVENT_CRTC_VDS + i, vert_start_us[i], false, &event_id_vds[i]); // VDSx
+ } else {
+ frame_in[i] = true;
+ }
+ if(vert_end_us[i] > 0.0) {
+ register_event(this, EVENT_CRTC_VDE + i, vert_end_us[i], false, &event_id_vde[i]); // VDEx
+ }
+ head_address[i] = 0;
+ }
+
+ if(event_id_hstart != -1) {
+ cancel_event(this, event_id_hstart);
+ event_id_hstart = -1;
+ }
+ if(event_id_hsw != -1) {
+ cancel_event(this, event_id_hsw);
+ event_id_hsw = -1;
+ }
+ register_event(this, EVENT_CRTC_HSTART, horiz_us, false, &event_id_hstart); // HSTART
+}
+
void TOWNS_CRTC::event_callback(int event_id, int err)
{
/*
* ZOOM (#27) : ToDo
*/
int eid2 = (event_id / 2) * 2;
- if(event_id == EVENT_CRTC_VSTART) {
- display_linebuf = (display_linebuf + 1) & 3; // Incremant per vstart
- if(req_recalc) {
- force_recalc_crtc_param();
- }
- line_count[0] = line_count[1] = 0;
- vert_line_count = -1;
- if((horiz_us != next_horiz_us) || (vert_us != next_vert_us)) {
- horiz_us = next_horiz_us;
- vert_us = next_vert_us;
- }
- hsync = false;
- for(int i = 0; i < 2; i++) {
- hdisp[i] = false;
- zoom_count_vert[i] = zoom_factor_vert[i];
- }
- // ToDo: EET
- register_event(this, EVENT_CRTC_VSTART, frame_us, false, &event_id_frame);
- if(d_sprite != NULL) {
- d_sprite->write_signal(SIG_TOWNS_SPRITE_CALL_VSTART, 0xffffffff, 0xffffffff);
- }
- if(vert_sync_pre_us >= 0.0) {
- vsync = false;
- register_event(this, EVENT_CRTC_VST1, vert_sync_pre_us, false, &event_id_vst1); // VST1
- } else {
- vsync = true;
- }
- register_event(this, EVENT_CRTC_VST2, vst2_us, false, &event_id_vst2);
- for(int i = 0; i < 2; i++) {
- frame_in[i] = false;
- if(event_id_vds[i] != -1) {
- cancel_event(this, event_id_vds[i]);
- }
- if(event_id_vde[i] != -1) {
- cancel_event(this, event_id_vde[i]);
- }
- if(vert_start_us[i] > 0.0) {
- register_event(this, EVENT_CRTC_VDS + i, vert_start_us[i], false, &event_id_vds[i]); // VDSx
- } else {
- frame_in[i] = true;
- }
- if(vert_end_us[i] > 0.0) {
- register_event(this, EVENT_CRTC_VDE + i, vert_end_us[i], false, &event_id_vde[i]); // VDEx
- }
- head_address[i] = 0;
- }
-
- if(event_id_hstart != -1) {
- cancel_event(this, event_id_hstart);
- event_id_hstart = -1;
- }
- if(event_id_hsw != -1) {
- cancel_event(this, event_id_hsw);
- event_id_hsw = -1;
- }
- register_event(this, EVENT_CRTC_HSTART, horiz_us, false, &event_id_hstart); // HSTART
- } else if(event_id == EVENT_CRTC_VST1) { // VSYNC
+ // EVENT_VSTART MOVED TO event_frame().
+ if(event_id == EVENT_CRTC_VST1) { // VSYNC
vsync = true;
event_id_vst1 = -1;
} else if (event_id == EVENT_CRTC_VST2) {
state_fio->StateValue(sprite_disp_page);
state_fio->StateValue(sprite_enabled);
+ state_fio->StateValue(pixels_per_line);
+ state_fio->StateValue(lines_per_frame);
+
state_fio->StateValue(event_id_hsync);
state_fio->StateValue(event_id_hsw);
state_fio->StateValue(event_id_vsync);
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