202537b - set to 0 to enter normal mode and to 1 to enter hard mode

80a3ab4 - PC that reads menu selection upon pressing A

80a3aba - PC at the beginning of the routine that occurs once New Game has been selected

80a3ae2:
If r0 is 0x00 here, a screwy New Game menu is accessed
If r0 is 0x01 here, the original New Game menu is accessed
If r0 is 0x03 here, the original New Game menu is accessed
If r0 is 0x07 here, the original New Game menu is accessed
If r0 is 0x0f here, the game Mode Select New Game menu is accessed
If r0 is 0x1f here, the Extras menu is accessed

PC List acquired by multiplying above entries by 4 and adding to 80a3b08:
080a3b88 080a3b94 080a3c68 080a3bac
080a3c68 080a3c68 080a3c68 080a3bc4
080a3c68 080a3c68 080a3c68 080a3c68
080a3c68 080a3c68 080a3c68 080a3bdc - replace with another PC to ditch Mode Select
080a3c68 080a3c68 080a3c68 080a3c68
080a3c68 080a3c68 080a3c68 080a3c68
080a3c68 080a3c68 080a3c68 080a3c68
080a3c68 080a3c68 080a3c68 080a3c1e

r0 = halfword [20250f2]-1

R00=00000000 R04=00000000 R08=00000000 R12=02025149
R01=00000000 R05=02025044 R09=00000000 R13=03007d50
R02=00000001 R06=00000000 R10=00000000 R14=080a3ca7
R03=02025044 R07=00000000 R11=03007dfc R15=080a06d2
080a06d0  1c15 add r5, r2, #0x0

R00=0202bc18 R04=0202bbf8 R08=00000000 R12=0202bc3a
R01=0202bc23 R05=00000001 R09=00000000 R13=03007d50
R02=00000000 R06=00000000 R10=00000000 R14=080cb5a9
R03=00000000 R07=0e003f2c R11=03007dfc R15=080a0744
80a0742  2d01 cmp r5, #0x1
80a0744  d100 bne $080a0748
80a0746  73a6 strb r6, [r4, #0xe]
80a0748  2d02 cmp r5, #0x2
80a074a  d101 bne $080a0750
80a074c  200c mov r0, #0xc
80a074e  73a0 strb r0, [r4, #0xe]
80a0750  2d03 cmp r5, #0x3 - change to 1 to force Hector Mode start
80a0752  d101 bne $080a0758
80a0754  200d mov r0, #0xd
80a0756  73a0 strb r0, [r4, #0xe]
