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Update state restore for vga & fix undefined states

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Ernest Wong 2018-01-15 21:47:43 +13:00 committed by Fabian
parent e995d1f5ed
commit 2b5d3ff692
1 changed files with 56 additions and 10 deletions
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66
src/vga.js
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@ -173,6 +173,9 @@ function VGAScreen(cpu, bus, vga_memory_size)
/** @type {number} */
this.offset_register = 0;
/** @type {number} */
this.line_compare = 0;
// End of CRTC registers
/**
@ -281,6 +284,7 @@ function VGAScreen(cpu, bus, vga_memory_size)
this.planar_bitmap = 0xFF;
this.planar_setreset = 0;
this.planar_setreset_enable = 0;
this.miscellaneous_graphics_register = 0;
this.color_compare = 0;
this.color_dont_care = 0;
@ -441,10 +445,10 @@ VGAScreen.prototype.get_state = function()
state[11] = this.latch_dword;
state[12] = this.color_compare;
state[13] = this.color_dont_care;
// state[14]
state[14] = this.virtual_width;
state[15] = this.svga_width;
state[16] = this.svga_height;
// state[17]
state[17] = this.virtual_height;
state[18] = this.svga_enabled;
state[19] = this.svga_bpp;
state[20] = this.svga_bank_offset;
@ -472,6 +476,24 @@ VGAScreen.prototype.get_state = function()
state[42] = this.offset_register;
state[43] = this.planar_setreset;
state[44] = this.planar_setreset_enable;
state[45] = this.start_address_latched;
state[46] = this.crtc;
state[47] = this.horizontal_display_enable_end;
state[48] = this.horizontal_blank_start;
state[49] = this.vertical_display_enable_end;
state[50] = this.vertical_blank_start;
state[51] = this.underline_location_register;
state[52] = this.preset_row_scan;
state[53] = this.offset_register;
state[54] = this.palette_source;
state[55] = this.attribute_mode;
state[56] = this.color_plane_enable;
state[57] = this.horizontal_panning;
state[58] = this.color_select;
state[59] = this.clocking_mode;
state[60] = this.line_compare;
state[61] = this.crtc_mode;
state[62] = this.miscellaneous_graphics_register;
return state;
};
@ -492,10 +514,10 @@ VGAScreen.prototype.set_state = function(state)
this.latch_dword = state[11];
this.color_compare = state[12];
this.color_dont_care = state[13];
// state[14]
this.virtual_width = state[14];
this.svga_width = state[15];
this.svga_height = state[16];
// state[17]
this.virtual_height = state[17];
this.svga_enabled = state[18];
this.svga_bpp = state[19];
this.svga_bank_offset = state[20];
@ -523,15 +545,40 @@ VGAScreen.prototype.set_state = function(state)
this.offset_register = state[42];
this.planar_setreset = state[43];
this.planar_setreset_enable = state[44];
this.start_address_latched = state[45];
this.crtc.set(state[46]);
this.horizontal_display_enable_end = state[47];
this.horizontal_blank_start = state[48];
this.vertical_display_enable_end = state[49];
this.vertical_blank_start = state[50];
this.underline_location_register = state[51];
this.preset_row_scan = state[52];
this.offset_register = state[53];
this.palette_source = state[54];
this.attribute_mode = state[55];
this.color_plane_enable = state[56];
this.horizontal_panning = state[57];
this.color_select = state[58];
this.clocking_mode = state[59];
this.line_compare = state[60];
this.crtc_mode = state[61];
this.miscellaneous_graphics_register = state[62];
this.bus.send("screen-set-mode", this.graphical_mode);
if(this.graphical_mode)
{
// TODO: Check to see if there is anything else to do for non-svga mode
// TODO: ^^ yes. Logical / virtual buffer
var bpp = this.svga_enabled ? this.svga_bpp : 8;
this.set_size_graphical(this.svga_width, this.svga_height, bpp, this.svga_width, this.svga_height);
if(this.svga_enabled)
{
this.set_size_graphical(this.svga_width, this.svga_height,
8, this.svga_width, this.svga_height);
}
else
{
this.dac_color_use_reset();
this.update_vga_size();
this.complete_replot();
}
}
else
{
@ -539,7 +586,6 @@ VGAScreen.prototype.set_state = function(state)
this.update_cursor_scanline();
this.update_cursor();
}
this.complete_redraw();
};
@ -2308,7 +2354,7 @@ VGAScreen.prototype.vga_redraw = function()
}
var start = this.diff_addr_min;
var end = this.diff_addr_max;
var end = Math.min(this.diff_addr_max, VGA_PIXEL_BUFFER_SIZE - 1);
var buffer = this.dest_buffer;
// Closure compiler