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Some work on the DiskII

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This commit is contained in:
Ivan Izaguirre 2019-03-03 23:54:43 +01:00
parent 84f45d9f99
commit 6babe07ea6
2 changed files with 38 additions and 5 deletions
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39
apple2/cardDisk2.go
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@ -14,9 +14,10 @@ http://yesterbits.com/media/pubs/AppleOrchard/articles/disk-ii-part-1-1983-apr.p
type cardDisk2 struct {
cardBase
phases [4]bool
power [2]bool
selected int // Only 0 and 1 supported
phases [4]bool
power [2]bool
selected int // Only 0 and 1 supported
writeMode bool
}
// type softSwitchR func(io *ioC0Page) uint8
@ -59,6 +60,38 @@ func newCardDisk2(filename string) *cardDisk2 {
return 0
}
var i uint8
// Q6L
c.ssr[0xC] = func(_ *ioC0Page) uint8 {
fmt.Printf("DISKII: Reading\n")
i++
return i
}
c.ssw[0xC] = func(_ *ioC0Page, value uint8) {
fmt.Printf("DISKII: Writing the value 0x%02x\n", value)
}
// Q6H
c.ssr[0xD] = func(_ *ioC0Page) uint8 {
c.writeMode = false
fmt.Printf("DISKII: Sense write protection\n")
return 0
}
// Q7L
c.ssr[0xE] = func(_ *ioC0Page) uint8 {
c.writeMode = false
fmt.Printf("DISKII: Set read mode\n")
return 0
}
// Q7H
c.ssr[0xF] = func(_ *ioC0Page) uint8 {
c.writeMode = true
fmt.Printf("DISKII: Set write mode\n")
return 0
}
// TODO: missing C, D, E, and F
return &c

4
main.go
View File

@ -6,10 +6,10 @@ func main() {
//romFile := "apple2/romdumps/Apple2.rom"
romFile := "apple2/romdumps/Apple2_Plus.rom"
//romFile := "apple2/romdumps/Apple2e.rom"
disk2RomFile := "apple2/romdumps/DISK2.rom"
//disk2RomFile := "apple2/romdumps/DISK2.rom"
log := true
a := apple2.NewApple2(romFile)
a.AddDisk2(disk2RomFile)
//a.AddDisk2(disk2RomFile)
a.Run(log)
}