Apple-2-Tools/goapple2
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texty: when running binary, exit and dump screen

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This commit is contained in:
Zellyn Hunter 2016-09-17 15:32:44 -04:00
parent 28b7295d46
commit 9f315748b3
1 changed files with 35 additions and 6 deletions
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41
texty/texty.go
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@ -6,7 +6,7 @@ import (
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"os" "os"
"time" "strings"
"github.com/nsf/termbox-go" "github.com/nsf/termbox-go"
"github.com/zellyn/goapple2" "github.com/zellyn/goapple2"
@ -81,7 +81,10 @@ func (p TextPlotter) OncePerFrame() {
termbox.Flush() termbox.Flush()
} }
// Run the emulator // Run the emulator. If file is not empty, load it at address 0x6000,
// add a PCAction to quit if address 0 is called, clear the screen,
// call 0x6000, call 0, and dump the screen contents (minus trailing
// whitespace).
func RunEmulator(file string) error { func RunEmulator(file string) error {
var options []goapple2.Option var options []goapple2.Option
if file != "" { if file != "" {
@ -94,16 +97,24 @@ func RunEmulator(file string) error {
options = append(options, goapple2.WithRAM(0x6000, bytes)) options = append(options, goapple2.WithRAM(0x6000, bytes))
} }
rom := util.ReadRomOrDie("../data/roms/apple2+.rom", 12288) rom := util.ReadRomOrDie("../data/roms/apple2+.rom", 12288)
charRom := util.ReadSmallCharacterRomOrDie("../data/roms/apple2-chars.rom") var charRom [2048]byte
plotter := TextPlotter(0) plotter := TextPlotter(0)
a2 := goapple2.NewApple2(plotter, rom, charRom, options...) a2 := goapple2.NewApple2(plotter, rom, charRom, options...)
if err := termbox.Init(); err != nil { if err := termbox.Init(); err != nil {
return err return err
} }
events := make(chan termbox.Event) events := make(chan termbox.Event)
done := false
if file != "" {
a2.AddPCAction(0, goapple2.PCAction{
Type: goapple2.ActionCallback,
Callback: func() { done = true },
})
}
go func() { go func() {
if file != "" { if file != "" {
for _, ch := range "CALL 24576" { for _, ch := range "HOME:CALL 24576:CALL 0" {
a2.Keypress(byte(ch)) a2.Keypress(byte(ch))
} }
a2.Keypress(13) a2.Keypress(13)
@ -112,18 +123,36 @@ func RunEmulator(file string) error {
events <- termbox.PollEvent() events <- termbox.PollEvent()
} }
}() }()
for !ProcessEvents(events, a2) { for !ProcessEvents(events, a2) && !done {
err := a2.Step() err := a2.Step()
if err != nil { if err != nil {
fmt.Println(err) fmt.Println(err)
break break
} }
time.Sleep(1 * time.Nanosecond) // So the keyboard-reading goroutines can run
} }
termbox.Close() termbox.Close()
if file != "" {
dumpscreen(a2)
}
return nil return nil
} }
func dumpscreen(a2 *goapple2.Apple2) {
chars := []byte{}
for third := 0x400; third <= 0x450; third += 0x28 {
for base := third; base <= third+0x380; base += 0x80 {
for x := 0; x < 40; x++ {
ch := a2.RamRead(uint16(base + x))
chars = append(chars, ch&0x7f)
}
chars = append(chars, '\n')
}
}
screen := string(chars)
screen = strings.TrimRight(screen, "\r\n\t ")
fmt.Println(screen)
}
var binfile = flag.String("binfile", "", "binary file to load at $6000 and CALL") var binfile = flag.String("binfile", "", "binary file to load at $6000 and CALL")
func main() { func main() {