mirror of
https://github.com/mcanlas/6502-opcodes.git
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100 lines
3.0 KiB
Scala
100 lines
3.0 KiB
Scala
package com.htmlism.firepower.demo
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import scala.collection.immutable._
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import scala.util.chaining._
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import cats.syntax.all._
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import com.htmlism.firepower.core.AsmBlock._
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import com.htmlism.firepower.core._
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object PrintThree:
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case class Move[A: Definable, B: Definable](src: A, dest: B):
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def defines: List[ListMap[String, Int]] =
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List(
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Definable[A]
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.table(src),
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Definable[B]
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.table(dest)
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)
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def build(screen: Easy6502.Screen): List[Move[Easy6502.Color, Easy6502.Screen.Pixel]] =
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List(
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Move(Easy6502.Color.White, screen(0)),
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Move(Easy6502.Color.Green, screen(1)),
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Move(Easy6502.Color.Orange, screen(2))
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)
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val program: List[Move[Easy6502.Color, Easy6502.Screen.Pixel]] =
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build(Easy6502.Screen(0x200))
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def assemble(opts: AssemblerOptions): String =
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(defines(opts) ++ codes(opts))
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.map(AsmBlock.toLines)
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.pipe(xs => AsmBlock.interFlatMap(xs)(List("", ""), identity))
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.pipe(str.Line.mkString)
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private def defines(opts: AssemblerOptions) =
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opts.definitionsMode match
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case AssemblerOptions.DefinitionsMode.UseLiterals =>
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Nil
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case AssemblerOptions.DefinitionsMode.UseDefinitions | AssemblerOptions.DefinitionsMode.UseDefinitionsWithMath =>
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program
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.flatMap(_.defines)
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.distinct
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.map { xs =>
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xs
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.toList
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.pipe(AsmBlock.DefinesBlock(_))
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}
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private def codes(opts: AssemblerOptions) =
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program
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.map { mv =>
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val argument =
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opts.definitionsMode match
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case AssemblerOptions.DefinitionsMode.UseLiterals =>
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f"#$$${mv.src.toValue}%02X"
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case AssemblerOptions.DefinitionsMode.UseDefinitions |
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AssemblerOptions.DefinitionsMode.UseDefinitionsWithMath =>
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"#" + mv.src.toDefine
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val argumentTwo =
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opts.definitionsMode match
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case AssemblerOptions.DefinitionsMode.UseLiterals =>
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AsmBlock.toHex(mv.dest.toValue)
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case AssemblerOptions.DefinitionsMode.UseDefinitions =>
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mv.dest.toDefine
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case AssemblerOptions.DefinitionsMode.UseDefinitionsWithMath =>
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mv.dest.toDefineWithMath
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AsmBlock.Intent(
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s"${mv.dest.toComment} = ${mv.src.toComment}".some,
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List(
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AsmBlock
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.Intent
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.Instruction(instruction("LDA", opts.instructionCase) + " " + argument, s"a = ${mv.src.toComment}".some),
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AsmBlock
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.Intent
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.Instruction(
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instruction("STA", opts.instructionCase) + " " + argumentTwo,
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s"${mv.dest.toComment} = a".some
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)
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)
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)
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}
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.pipe(AnonymousCodeBlock(_))
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.pipe(List(_))
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def instruction(s: String, instructionCase: AssemblerOptions.InstructionCase): String =
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instructionCase match
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case AssemblerOptions.InstructionCase.Uppercase =>
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s.toUpperCase
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case AssemblerOptions.InstructionCase.Lowercase =>
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s.toLowerCase
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