Apple-2-SW/prog8
1
0
Fork 0
mirror of https://github.com/irmen/prog8.git synced 2024-11-26 11:49:22 +00:00
Code Issues Projects Releases Wiki Activity

defined a few more sysasm routines

Browse Source
This commit is contained in:
Irmen de Jong 2019-03-11 22:30:32 +01:00
parent a349599943
commit ce40f6f862
2 changed files with 43 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
compiler/src/prog8/stackvm/StackVm.kt
View File

@ -88,7 +88,17 @@ enum class Syscall(val callNr: Short) {
SYSCALLSTUB(200),
SYSASM_c64scr_PLOT(201),
SYSASM_c64scr_print(202),
SYSASM_c64scr_setcc(203),
SYSASM_c64scr_print_ub0(203),
SYSASM_c64scr_print_ub(204),
SYSASM_c64scr_print_b(205),
SYSASM_c64scr_print_ubhex(206),
SYSASM_c64scr_print_ubbin(207),
SYSASM_c64scr_print_uwbin(208),
SYSASM_c64scr_print_uwhex(209),
SYSASM_c64scr_print_uw0(210),
SYSASM_c64scr_print_uw(211),
SYSASM_c64scr_print_w(212),
SYSASM_c64scr_setcc(213),
}
@ -1779,8 +1789,15 @@ class StackVm(private var traceOutputFile: String?) {
P_carry = evalstack.pop().asBooleanValue
P_irqd = evalstack.pop().asBooleanValue
}
Opcode.RSAVEX -> evalstack.push(variables["X"])
Opcode.RRESTOREX -> variables["X"] = evalstack.pop()
Opcode.RSAVEX -> {
evalstack.push(variables["X"])
println("-----rsaveX called, stacksize ${evalstack.size}") // TODO
}
Opcode.RRESTOREX -> {
println("-----rrestoreX called, stacksize before ${evalstack.size}") // TODO
// TODO called too ofen -> stack error
variables["X"] = evalstack.pop()
}
Opcode.INLINE_ASSEMBLY -> throw VmExecutionException("stackVm doesn't support executing inline assembly code $ins")
Opcode.PUSH_ADDR_HEAPVAR -> {
val heapId = variables[ins.callLabel]!!.heapId
@ -1822,7 +1839,16 @@ class StackVm(private var traceOutputFile: String?) {
if(ins.nextAlt==null)
throw VmExecutionException("call to system routine requires nextAlt return instruction set: $ins")
else {
println("CALLING SYSTEM ROUTINE $ins")
when(ins.callLabel) {
"c64.CLEARSCR" -> {
println(" evalstack (size=${evalstack.size}):")
evalstack.printTop(4, System.out)
canvas?.clearScreen(mem.getUByte(0xd021).toInt())
}
else -> {
TODO("SYSTEM ROUTINE ${ins.callLabel}")
}
}
return ins.nextAlt!!
}
} else
@ -2134,13 +2160,24 @@ class StackVm(private var traceOutputFile: String?) {
val str = heap.get(straddr).str!!
canvas?.writeText(x, y, str, 1, true)
}
Syscall.SYSASM_c64scr_print_ub -> {
val (x, y) = canvas!!.getCursorPos()
val num = variables["A"]!!.integerValue()
canvas?.writeText(x, y, num.toString(), 1, true)
}
Syscall.SYSASM_c64scr_print_uw -> {
val (x, y) = canvas!!.getCursorPos()
val lo = variables["A"]!!.integerValue()
val hi = variables["Y"]!!.integerValue()
val number = lo+256*hi
canvas?.writeText(x, y, number.toString(), 1, true)
}
Syscall.SYSASM_c64scr_setcc -> {
val x = variables["c64scr.setcc.column"]!!.integerValue()
val y = variables["c64scr.setcc.row"]!!.integerValue()
val char = variables["c64scr.setcc.char"]!!.integerValue()
// val color = variables["c64scr.setcc.color"]!!.integerValue() // text color other than 1 (white) can't be used right now
canvas?.setChar(x, y, char.toShort())
println("setcc $x $y") // TODO the vm is in an endless loop here when running tehtriz with this!
}
else -> throw VmExecutionException("unimplemented syscall $syscall")
}

1
examples/test.p8
View File

@ -8,5 +8,6 @@
sub start() {
c64.CLEARSCR() ; @todo empty stack exception in vm
}
}