_ミニBE_ver6.1.txt

de64から：
3e 0f 2f e1 32 50 c6 48 32 c6 2f 50 32 11 e3 c3
d5 50 26 d9 2e 84 45 50 c3 ba de af c5 50 28 e0
34 c9 af 50 3d c3 99 de 7f 50 3e 0f 2f 7f 7f 50
c3 99 de 3e 10 50 86 32 2a af c9 50 cb 30 3e 0f
a0 50 c6 48 c6 ae 7f 50 30 06 c6 30 7f 50 c6 30
06 c3 1c 50 12 c9 d1 d5 45 50 cd a0 de 45 7f 50
cd a2 de 1c 46 50 cd a0 de 46 7f 50 cd a2 de cd
7f 50 7f b3 cb 47 7f 50 c4 9c de cb 7f 50 c4 86
de 07 07 50 cb 47 c4 84 de 50 cb 7f c4 8c de 50
07 07 cb 47 7f 50 c4 97 de 07 07 50 cb 7f c4 0e
df 50 cb 47 ca 11 df 50 d1 c9 2b c9 7f 50 cd 31
0b 28 a3 50


d984から：
01 d6 de c3 7f de

操作方法
A: アドレス+1
B: アドレス-1
↑: 中身+1
↓: 中身-1
→: 中身+10h
←: 中身-10h
Select: 終了
※ 開始アドレス: d984

shortbe11.asm

[org(0xd984)]
daycare:
    ld   bc, call_joypad + 3
    jp   0xDE7F

[org(0xde64)]
first:
    ld   a,0x0F
    cpl  
    pop  hl
    ld  [hl-],a
    ld   d,b
    add  a,0x48   # f0h + 48h = 38h を書きこむ
    ld  [hl-],a
    add  a,0x2F
    ld   d,b
    ld  [hl-],a # 38h + 2fh = 67h を書き込む
    ld   de,0xC3E3
    push de
    ld   d,b
    ld   h,0xD9
    ld   l,0x84
    ld   b,l
    ld   d,b
    jp mainloop
entrypoint:
    xor  a
    push bc
    ld   d,b
    jr   z, first
process_up_button:
    inc  [hl]
    ret  
process_down_button:
    xor a
    ld d, b
    dec a
    jp change_value
process_left_button:
    ld a, a
    ld d, b
    ld a, 0x0f
    cpl
    ld a, a
    ld a, a
    ld d, b
    jp change_value
process_right_button:
    ld   a,0x10
change_value:
    ld d, b
    add a, [hl]
    ld [hl-],a
process_a_button:
    ld  a,[hl+]
    xor  a
    ret
    ld  d,b
print_hex_with_swap:
    swap b
print_hex:
    ld   a,0x0F
    and  b
    ld   d,b
    add  a,0x48
    add  a,0xAE
    ld   a,a
    ld   d,b
    jr   nc, print_hex_join
    add  a,0x30
    ld a, a
    ld   d,b
    add  a,0x30
print_hex_join:
    ld   b,0xC3
    inc  e
    ld   d,b
    ld   [de],a
    ret  
mainloop:   
    pop  de
    push de
    ld   b,l
    ld d, b
    call print_hex_with_swap
    ld   b,l
    ld   a,a
    ld   d,b
    call print_hex
    inc  e
    ld   b,[hl]
    ld   d,b
    call print_hex_with_swap
    ld   b,[hl]
    ld   a,a
    ld   d,b
    call print_hex
call_joypad:
    call 0x507F
    ld   a,a
    or   e
    bit 0, a
    ld a, a
    ld d, b
    call nz, process_a_button
    bit 7, a
    ld d, b
    call nz, process_down_button
    rlca
    rlca
    ld d, b
    bit  0, a
    call nz, process_up_button
    ld d, b
    bit  7, a
    call nz, process_left_button
    ld d, b
    rlca
    rlca
    bit  0, a
    ld a, a
    ld d, b
    call nz, process_right_button
    rlca
    rlca
    ld d, b
    bit  7, a
    call nz, process_b_button
    ld d, b
    bit  0, a
    jp z, mainloop_end
    ld d, b
    pop  de 
    ret
process_b_button:
    dec  hl
    ret 
    ld a, a
mainloop_end:
    ld d, b
    call 0x0B31
    jr z, mainloop
    ld d, b