bios logo smooth move-up animation

assets/bios/tsvmbios.js

@@ -1,22 +1,37 @@
 con.reset_graphics();con.curs_set(0);con.clear();
-graphics.resetPalette();//graphics.setBackground(0,0,13);
+graphics.resetPalette();graphics.setBackground(0,0,0);
 
 let logo = gzip.decomp(base64.atob("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"));
 
 // display logo in kickin' ass-style of panasonic
-let m=56;let r=()=>{let i=Math.random()*2-1;return(i<0)?i-1:i+1};
-let o=[];for(let y=0;y<164;y++)o[y]=Math.round(r()*560/m)|0;
-for(let p=0;p<=1120/m;p++){for(let y=0;y<164;y++){for(let x=0;x<560;x++)
-{let f=y*560+x;let d=x+m*o[y];if(d>=0&&d<560)graphics.plotPixel(d,95+y,logo[f]);}
-if(o[y]!=0)o[y]-=Math.sign(o[y]);}}
+//let m=56;let r=()=>{let i=Math.random()*2-1;return(i<0)?i-1:i+1};
+//let o=[];for(let y=0;y<164;y++)o[y]=Math.round(r()*560/m)|0;
+//for(let p=0;p<=1120/m;p++){for(let y=0;y<164;y++){for(let x=0;x<560;x++)
+//{let f=y*560+x;let d=x+m*o[y];if(d>=0&&d<560)graphics.plotPixel(d,95+y,logo[f]);}
+//if(o[y]!=0)o[y]-=Math.sign(o[y]);}}
 
-// display logo in mundane way
-//for(let p=164;p>=0;p-=4){for(let y=0;y<164;y++){for(let x=0;x<560;x++)
-//{let f=(y-p)*560+x;graphics.plotPixel(x,95+y,(f>0)?logo[f]:255);}}}
+// display logo in mundane, true-to-msx way
+graphics.setFramebufferScroll(0,-164);
+// hide entire framebuffer with black text to hide the slow image drawing
+con.color_pair(0,0);
+for(let i=0;i<2560;i++)graphics.putSymbolAt(1+(i/80)|0,1+(i%80),239);
+// draw logo
+for(let i=0;i<logo.length;i++){graphics.plotPixel(i%560,95+(i/560)|0,logo[i])}
+// cover up bottom part with text characters (!)
+graphics.setBackground(0,0,15);con.color_pair(4,255);
+for(let y=1;y<19;y++)for(let x=1;x<81;x++)graphics.putSymbolAt(y,x,32);
+for(let x=1;x<81;x++)graphics.putSymbolAt(19,x,220);
+for(let y=20;y<33;y++)for(let x=1;x<81;x++)graphics.putSymbolAt(y,x,219);
+// scroll up
+let tmr=sys.nanoTime();
+let tlen=1073741824;
+while(1){let tdiff=sys.nanoTime()-tmr;if(tdiff>=tlen)break;
+graphics.setFramebufferScroll(0,-((1.0-tdiff/tlen)*164)|0);}
 
 // show how much ram is there
-let vramstr="VIDEO RAM : 256 Kbytes"
-let uramstr=` USER RAM : ${system.maxmem()>>>10} Kbytes`
+con.color_pair(239,4);
+let vramstr="VIDEO RAM : 256 Kbytes";
+let uramstr=` USER RAM : ${system.maxmem()>>>10} Kbytes`;
 con.move(20,(80-vramstr.length)/2);println(vramstr);
 con.move(21,(80-uramstr.length)/2);println(uramstr);
 
@@ -39,8 +54,8 @@ Object.freeze(_BIOS);
 
 // make user wait around because why not
 
-let time = sys.nanoTime();
-while (sys.nanoTime() - time < 2147483648) sys.spin();
+tmr = sys.nanoTime();
+while (sys.nanoTime() - tmr < 2147483648) sys.spin();
 // clear screen
 graphics.clearPixels(255);
 con.clear();con.move(1,1);

assets/disk0/tvdos/bin/command.js

@@ -475,6 +475,7 @@ if (exec_args[1] !== undefined) {
         goInteractive = true;
     }
     else if ("/fancy" == firstSwitch) {
+        graphics.setBackground(2,3,4);
         goFancy = true;
         goInteractive = true;
     }

src/net/torvald/tsvm/GraphicsJSR223Delegate.kt

@@ -78,6 +78,13 @@ class GraphicsJSR223Delegate(val vm: VM) {
         return intArrayOf(-1, -1)
     }
 
+    fun setCursorYX(cy: Int, cx: Int) {
+        getFirstGPU()?.let {
+            it.setCursorPos(cy - 1, cx - 1)
+        }
+    }
+
+
     fun setBackground(r: Int, g: Int, b: Int) {
         getFirstGPU()?.let {
             it.poke(250880, r.toByte())
@@ -107,6 +114,12 @@ class GraphicsJSR223Delegate(val vm: VM) {
         }
     }
 
+    fun putSymbolAt(cy: Int, cx: Int, c: Int) {
+        getFirstGPU()?.let {
+            it.putChar(cx - 1, cy - 1, c.toByte())
+        }
+    }
+
     /*private fun GraphicsAdapter._loadbulk(fromAddr: Int, toAddr: Int, length: Int) {
         UnsafeHelper.memcpy(
             vm.usermem.ptr + fromAddr,