taut font update

assets/disk0/tvdos/include/font.mjs

@@ -0,0 +1,31 @@
+function setHighRom(fullPath) {
+    const fontFile = files.open(fullPath)
+
+    // upload font
+    const fontData = fontFile.bread()
+    for (let i = 0; i < 1920; i++) sys.poke(-133121 - i, fontData[i])
+    sys.poke(-1299460, 19) // write to high rom
+
+    fontFile.close()
+}
+
+function setLowRom(fullPath) {
+    const fontFile = files.open(fullPath)
+
+    // upload font
+    const fontData = fontFile.bread()
+    for (let i = 0; i < 1920; i++) sys.poke(-133121 - i, fontData[i])
+    sys.poke(-1299460, 18) // write to low rom
+
+    fontFile.close()
+}
+
+function resetHighRom() {
+    sys.poke(-1299460, 21)
+}
+
+function resetLowRom() {
+    sys.poke(-1299460, 20)
+}
+
+exports = { setHighRom, setLowRom, resetHighRom, resetLowRom }