Bluescale Demo by wickeycolumbus displays all the shades of blue possible. On 29th April the source-code has been released, which is also posted just right under this news text.

Here is the source code:

.globl _start

ldis r7,0x8809
ori r7,0x20
ldis r6,0xa040
sw! r6,[r7]
ldis r7,0x8807
ori r7,0x00
sw! r6,[r7]
ldis r7,0x8807
ori r7,0x04
sw! r6,[r7]
ldis r7,0x8807
ori r7,0x08
sw! r6,[r7]
ldis r6,0x8803
ori r6,0x00
ldis r7,0x0000
ori r7,0x1000
sw! r6,[r7]
ldis r7,0x8821
ori r7,0x30
ldiu! r6,3
sw! r6,[r7]
ldis r7,0x8803
ori r7,0x50
ldiu! r6,0
sw! r6,[r7]

ldi r10,0x0000
ldis r8,0xa040
ori r8,0x0000
ldis r9,0xa044
ori r9,0xb000

ldi r11,0x0001
sh r10,[r8]+,2
addc r10,r10,r11
cmp.c r8,r9
ble store_color
j inf_loop