honeylisp/neutgs/init.fnl

(local Ssc (require :ssc))
(local files (require :game.files))
(local {: pal} (require :editor.tiledraw.iigs))
(import-macros {:sss ! : compile} :ssc.macros)

(local ssc (Ssc))
(compile ssc
  (require ssc.iigs.bootstub)
  (require ssc.iigs.toolbox)

  (tooltable toolsets
    ToolsetIntegerMath  0x0100
    ToolsetText         0x0100
    ToolsetQuickDraw    0x0100
    ToolsetEventManager 0x0100
    5                   0x0100  ; desk manager
    9                   0x0100) ; ADB

  (asm pascalhex (db 5) hexbuf (bytes "     "))

  (fn printnum (num)
    (long! (ref hexbuf) (HexIt num))
    (WriteString (far-ref pascalhex)))

  (asm event-buffer)
  (global word event-what)
  (global long event-msg)
  (global long event-when)
  (global word event-y)
  (global word event-x)
  (global word event-mod)

  (fn wait-for-key ()
    (FlushEvents keyDownMask 0)
    (while (not (GetNextEvent keyDownMask (far-ref event-buffer)))
      (yield)))

  (const screen-addr 0xe12000)
  (const screen-size 0x9d00)

  (asm tiles (bytes [(. files.game.tiles 1 :gfx)]))

  (form set-palette [(fn [ssc index pal]
    (let [addr (+ 0xe19e00 (* index 0x20))
          writes (icollect [icolor [r g b] (ipairs pal)]
                   [[:lda (bit.bor (bit.lshift r 8) (bit.lshift g 4) b)] [:sta (tostring (+ addr (* icolor 2) -2))]])]
      (lume.concat [:block] (table.unpack writes))))])

  (fn draw-tile (tile (long addr))
    (asm
      (lda addr)   (sta [ssc.ADDR_LO])
      (lda addr 2) (sta [ssc.ADDR_HI])
      (ldy 0) (ldx 16) (clc)
    loop
      (lda (tile) :y) (sta (([ssc.ADDR_LO])) :y) (iny) (iny)
      (lda (tile) :y) (sta (([ssc.ADDR_LO])) :y) (iny) (iny)
      (lda (tile) :y) (sta (([ssc.ADDR_LO])) :y) (iny) (iny)
      (lda (tile) :y) (sta (([ssc.ADDR_LO])) :y) (iny) (iny)
      (lda [ssc.ADDR_LO]) (adc 152) (sta [ssc.ADDR_LO])
      (dex) (bne loop)))

  (global word userID)

  (fn print-numbers-forever ()
    (let (i 0) (while true
      (printnum i)
      (yield)
      (set! i (+ i 1)))))

  (fn draw-test-tiles ()
    (let (x 0 y 0 screen screen-addr)
      (while (< y 12)
        (draw-tile (ref tiles) screen)
        (set! x (+ x 1))
        (if (= x 20)
          (do (set! x 0)
              (set! y (+ y 1))
              (set! screen (+ screen [(+ 8 (* 160 15))])))
          (set! screen (+ screen 8))))))

  (fn main ()
    (LoadTools (far-ref toolsets))
    (set! userID (MMStartUp))
    (IMStartUp)
    (TextStartUp)
    (QDStartUp 0x2100 0 0 userID)
    (EMStartUp 0x2000 0 0 320 0 200 userID)
    (GrafOn)

    (set-palette 0 [pal])
    (SetAllSCBs 0)

    (draw-test-tiles)
    (wait-for-key)

    (GrafOff)

    (EMShutDown)
    (QDShutDown)
    (TextShutDown)
    (IMShutDown)
    (MMShutDown userID)))

(ssc:assemble)