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Improved Applecorn traces

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This commit is contained in:
Ivan Izaguirre 2021-10-25 23:45:05 +02:00
parent 4a2c094198
commit da45f0468f
1 changed files with 41 additions and 8 deletions
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49
traceApplecorn.go
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@ -29,8 +29,10 @@ type mosCallData struct {
}
const (
applecornKernelStart uint16 = 0xd000 // Code above this is out of BBC territory
applecornNoCaller uint16 = 0xffff
applecornKernelStart uint16 = 0xc000 // Code above this is out of BBC territory
applecornTraceAreaStart uint16 = 0xd000
applecornNoCaller uint16 = 0xffff
applecornRomTitle uint16 = 0x8009
)
func newTraceApplecorn(a *Apple2, skipConsole bool) *traceApplecorn {
@ -64,18 +66,49 @@ func (t *traceApplecorn) inspect() {
pc, sp := t.a.cpu.GetPCAndSP()
if pc == 0x8000 {
activeROM := t.getTerminatedString(applecornRomTitle, 0)
regA, _, _, _ := t.a.cpu.GetAXYP()
fmt.Printf("BBC MOS call to $%04x LANGUAGE(%02x)\n", pc, regA)
fmt.Printf("BBC MOS call to $%04x LANGUAGE(ROM=\"%s\", A=%02x)\n", pc, activeROM, regA)
} else if pc == 0x8003 {
regA, _, regY, _ := t.a.cpu.GetAXYP()
address := t.a.mmu.peekWord(0xf2 + uint16(regY))
command := t.getTerminatedString(address, 0x0d)
fmt.Printf("BBC MOS call to $%04x SERVICE(A=%v, \"%s\")\n", pc, regA, command)
activeROM := t.getTerminatedString(applecornRomTitle, 0)
service, _, regY, _ := t.a.cpu.GetAXYP()
switch service {
case 4: // OSCLI
address := t.a.mmu.peekWord(0xf2 + uint16(regY))
command := t.getTerminatedString(address, 0x0d)
fmt.Printf("BBC MOS call to $%04x SERVICE_OSCLI(ROM=\"%s\", A=%v, \"%s\")\n",
pc, activeROM, service, command)
case 6: // Error
address := t.a.mmu.peekWord(0xfd)
faultNumber := t.a.mmu.Peek(address)
faultMessage := address + 1
faultString := t.getTerminatedString(faultMessage, 0)
fmt.Printf("BBC MOS call to $%04x SERVICE_ERROR(ROM=\"%s\", A=%v, #=%v, \"%s\")\n",
pc, activeROM, service, faultNumber, faultString)
case 7: // OSBYTE
pA := t.a.mmu.Peek(0xef)
pX := t.a.mmu.Peek(0xf0)
pY := t.a.mmu.Peek(0xf1)
fmt.Printf("BBC MOS call to $%04x SERVICE_OSBYTE%02x(ROM=\"%s\", A=%v, pX=%02x, pY=%02x)\n",
pc, pA, activeROM, service, pX, pY)
case 8: // OSWORD
pA := t.a.mmu.Peek(0xef)
fmt.Printf("BBC MOS call to $%04x SERVICE_OSWORD%02x(ROM=\"%s\", A=%v)\n",
pc, pA, activeROM, service)
case 9: // *HELP
address := t.a.mmu.peekWord(0xf2 + uint16(regY))
command := t.getTerminatedString(address, 0x0d)
fmt.Printf("BBC MOS call to $%04x SERVICE_HELP(ROM=\"%s\", A=%v, \"%s\")\n",
pc, activeROM, service, command)
default:
fmt.Printf("BBC MOS call to $%04x SERVICE(ROM=\"%s\", A=%v)\n",
pc, activeROM, service)
}
}
inKernel := pc >= applecornKernelStart
if !t.wasInKernel && inKernel {
if !t.wasInKernel && inKernel && pc >= applecornTraceAreaStart {
regA, regX, regY, _ := t.a.cpu.GetAXYP()
s := "UNKNOWN"