Renamed vid and moved some more vid stuff to it

cmd/test-apple-iie-boot.go

@@ -2,15 +2,13 @@ package main
 
 import (
 	"flag"
-	"log"
 
 	"github.com/hajimehoshi/ebiten"
-	"github.com/hajimehoshi/ebiten/ebitenutil"
 
 	"mos6502go/cpu"
 	"mos6502go/keyboard"
 	"mos6502go/mmu"
-	"mos6502go/vid"
+	"mos6502go/video"
 )
 
 const (
@@ -19,12 +17,6 @@ const (
 	flashFrames      = 8     // Number of frames when FLASH mode is toggled
 )
 
-var (
-	charMap      *ebiten.Image
-	flashCounter int
-	flashOn      bool
-)
-
 var cpuState cpu.State
 var showInstructions *bool
 var disableBell *bool
@@ -54,7 +46,7 @@ func update(screen *ebiten.Image) error {
 	checkResetKeys()
 
 	cpu.Run(&cpuState, *showInstructions, nil, *disableBell, 1024000/60)
-	return vid.DrawTextScreen(cpuState.PageTable, screen, charMap)
+	return video.DrawTextScreen(cpuState.PageTable, screen)
 }
 
 func main() {
@@ -71,14 +63,9 @@ func main() {
 	cpuState.Init()
 
 	keyboard.Init()
+	video.Init()
 
 	reset()
 
-	var err error
-	charMap, _, err = ebitenutil.NewImageFromFile("./pr-latin1.png", ebiten.FilterNearest)
-	if err != nil {
-		log.Fatal(err)
-	}
-
 	ebiten.Run(update, 280*screenSizeFactor, 192*screenSizeFactor, 2, "Apple //e")
 }

video/video.go

@@ -1,4 +1,4 @@
-package vid
+package video
 
 import (
 	"image"
@@ -6,6 +6,7 @@ import (
 	"mos6502go/mmu"
 
 	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/ebitenutil"
 )
 
 const (
@@ -15,11 +16,21 @@ const (
 )
 
 var (
+	charMap      *ebiten.Image
 	flashCounter int
 	flashOn      bool
 )
 
-func DrawTextScreen(pageTable *mmu.PageTable, screen *ebiten.Image, charMap *ebiten.Image) error {
+func Init() {
+	var err error
+	charMap, _, err = ebitenutil.NewImageFromFile("video/pr-latin1.png", ebiten.FilterNearest)
+	if err != nil {
+		panic(err)
+	}
+
+}
+
+func DrawTextScreen(pageTable *mmu.PageTable, screen *ebiten.Image) error {
 	flashCounter--
 	if flashCounter < 0 {
 		flashCounter = flashFrames