Stage 6.3: RatDigg ASIC miners, miner dealers on the black market, miner era event

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

art/sprites.py

@@ -607,6 +607,33 @@ def guide():
     return c
 
 
+def asic(model):
+    """RatDigg 矿机（48×32，3×2 格）：宽扁的金属机箱，正面两个大风扇，顶上一条铭牌带三个指示灯和型号；
+    指示灯与风扇轴心的颜色区分档次（M1 绿、M2 蓝、M3 金）。光从左上来。"""
+    c = Canvas(48, 32)
+    accent = {'M1': 'G', 'M2': 'u', 'M3': 'y'}[model]
+    c.rect(3, 1, 44, 5, 'l')                       # 顶面
+    c.rect(3, 1, 44, 1, 'h')
+    c.rect(43, 2, 44, 5, 'b')
+    c.rect(2, 6, 45, 29, 'm')                      # 正面
+    c.rect(2, 6, 2, 29, 'b'); c.rect(45, 6, 45, 29, 'd'); c.rect(2, 29, 45, 29, 'd')
+    c.rect(4, 7, 43, 10, 'n')                      # 铭牌带
+    for x in (6, 9, 12):
+        c.put(x, 8, accent); c.put(x, 9, accent if x == 6 else 'k')
+    text(c, 32, 7, model.replace('M', 'M'), 'w')
+    for fx in (14, 34):                            # 风扇：方框风道 + 圆扇
+        c.rect(fx - 9, 12, fx + 9, 28, 'n')
+        c.rect(fx - 9, 12, fx + 9, 12, 'g'); c.rect(fx - 9, 12, fx - 9, 28, 'g')
+        fan(c, fx, 20, accent, R=8)
+    c.rect(22, 12, 26, 28, 'd')                    # 两扇之间的散热栅
+    for y in range(13, 28, 2):
+        c.rect(23, y, 25, y, 'k')
+    c.rect(4, 30, 9, 31, 'k'); c.rect(38, 30, 43, 31, 'k')   # 脚垫
+    c.rect(10, 30, 37, 30, 'd')
+    outline(c)
+    return c
+
+
 def hw_wallet():
     """PLEDGER 硬件钱包（16×16，一格）：竖放的石墨卡片，大块浅色墨水屏，右侧一个侧键。"""
     c = Canvas(16, 16)
@@ -631,6 +658,9 @@ SPRITES = {
     'rig': rig,
     'terminal': terminal,
     'hw_wallet': hw_wallet,
+    'asic_m1': lambda: asic('M1'),
+    'asic_m2': lambda: asic('M2'),
+    'asic_m3': lambda: asic('M3'),
 }
 for _tier in range(4):
     SPRITES['gpu_probidia_f_t%d' % _tier] = (lambda t=_tier: gpu_front('G', 'g2', tier=t))