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fix ubyte2float conversion

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This commit is contained in:
Irmen de Jong 2019-01-15 22:16:03 +01:00
parent de4353a93e
commit ee906ba82c
3 changed files with 16 additions and 17 deletions
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2
compiler/res/prog8lib/c64flt.p8
View File

@ -227,7 +227,7 @@ ub2float .proc
; clobbers A, Y
stx c64.SCRATCH_ZPREGX
sta c64.SCRATCH_ZPWORD2
sty c64.SCRATCH_ZPWORD1+1
sty c64.SCRATCH_ZPWORD2+1
ldy c64.SCRATCH_ZPB1
jsr c64flt.FREADUY
_fac_to_mem ldx c64.SCRATCH_ZPWORD2

30
compiler/src/prog8/compiler/target/c64/AsmGen.kt
View File

@ -147,7 +147,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
private fun out(str: String, splitlines: Boolean=true) {
if(splitlines) {
for (line in str.split('\n')) {
var trimmed = if (line.startsWith(' ')) "\t" + line.trim() else line.trim()
val trimmed = if (line.startsWith(' ')) "\t" + line.trim() else line.trim()
// trimmed = trimmed.replace(Regex("^\\+\\s+"), "+\t") // sanitize local label indentation
assemblyLines.add(trimmed)
}
@ -210,16 +210,16 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
out("; ---- basic program with sys call ----")
out("* = ${program.loadAddress.toHex()}")
val year = Calendar.getInstance().get(Calendar.YEAR)
out("\t.word (+), $year")
out("\t.null $9e, format(' %d ', _prog8_entrypoint), $3a, $8f, ' prog8 by idj'")
out(" .word (+), $year")
out(" .null $9e, format(' %d ', _prog8_entrypoint), $3a, $8f, ' prog8 by idj'")
out("+\t.word 0")
out("_prog8_entrypoint\t; assembly code starts here\n")
out("\tjsr c64utils.init_system")
out(" jsr c64utils.init_system")
}
options.output == OutputType.PRG -> {
out("; ---- program without sys call ----")
out("* = ${program.loadAddress.toHex()}\n")
out("\tjsr c64utils.init_system")
out(" jsr c64utils.init_system")
}
options.output == OutputType.RAW -> {
out("; ---- raw assembler program ----")
@ -227,9 +227,9 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
}
}
out("\tldx #\$ff\t; init estack pointer")
out("\tclc")
out("\tjmp main.start\t; jump to program entrypoint")
out(" ldx #\$ff\t; init estack pointer")
out(" clc")
out(" jmp main.start\t; jump to program entrypoint")
out("")
// the global list of all floating point constants for the whole program
@ -275,7 +275,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
private fun memdefs2asm(block: IntermediateProgram.ProgramBlock) {
for(m in block.memoryPointers) {
out("\t${m.key} = ${m.value.first.toHex()}")
out(" ${m.key} = ${m.value.first.toHex()}")
}
}
@ -296,7 +296,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
val bytes = encodeStr(rawStr, v.second.type).map { "$" + it.toString(16).padStart(2, '0') }
out("${v.first}\t; ${v.second.type} \"${escape(rawStr)}\"")
for (chunk in bytes.chunked(16))
out("\t.byte " + chunk.joinToString())
out(" .byte " + chunk.joinToString())
}
DataType.ARRAY_UB -> {
// unsigned integer byte arrayspec
@ -306,7 +306,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
else {
out(v.first)
for (chunk in data.chunked(16))
out("\t.byte " + chunk.joinToString())
out(" .byte " + chunk.joinToString())
}
}
DataType.ARRAY_B -> {
@ -317,7 +317,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
else {
out(v.first)
for (chunk in data.chunked(16))
out("\t.char " + chunk.joinToString())
out(" .char " + chunk.joinToString())
}
}
DataType.ARRAY_UW -> {
@ -328,7 +328,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
else {
out(v.first)
for (chunk in data.chunked(16))
out("\t.word " + chunk.joinToString())
out(" .word " + chunk.joinToString())
}
}
DataType.ARRAY_W -> {
@ -339,7 +339,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
else {
out(v.first)
for (chunk in data.chunked(16))
out("\t.sint " + chunk.joinToString())
out(" .sint " + chunk.joinToString())
}
}
DataType.ARRAY_F -> {
@ -348,7 +348,7 @@ class AsmGen(val options: CompilationOptions, val program: IntermediateProgram,
val floatFills = array.map { makeFloatFill(Mflpt5.fromNumber(it)) }
out(v.first)
for(f in array.zip(floatFills))
out("\t.byte ${f.second} ; float ${f.first}")
out(" .byte ${f.second} ; float ${f.first}")
}
}
}

1
examples/mandelbrot.p8
View File

@ -36,7 +36,6 @@
}
}
; @todo calculation is wrong, gives "1"
float duration = floor(((c64.TIME_LO as float) + 256.0*(c64.TIME_MID as float) + 65536.0*(c64.TIME_HI as float))/60.0)
c64.PLOT(0, 0, 21)
c64scr.print("finished in ")