diff options
Diffstat (limited to 'arm9/asm/RUNTIME_d_div.s')
| -rw-r--r-- | arm9/asm/RUNTIME_d_div.s | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/arm9/asm/RUNTIME_d_div.s b/arm9/asm/RUNTIME_d_div.s new file mode 100644 index 00000000..0259c528 --- /dev/null +++ b/arm9/asm/RUNTIME_d_div.s @@ -0,0 +1,333 @@ + .include "asm/macros.inc"
+ .include "global.inc"
+
+ .text
+
+ arm_func_start _drdiv
+_drdiv: ; 0x020EC070
+ eor r1, r1, r3
+ eor r3, r1, r3
+ eor r1, r1, r3
+ eor r0, r0, r2
+ eor r2, r0, r2
+ eor r0, r0, r2
+
+ arm_func_start _ddiv
+_ddiv: ; 0x020EC088
+ stmdb sp!, {r4-r6,lr}
+ ldr lr, _020EC5C8 ; =0x00000FFE
+ eor r4, r1, r3
+ ands r12, lr, r1, lsr #0x13
+ cmpne r12, lr
+ beq _020EC434
+ bic r1, r1, lr, lsl #0x14
+ orr r1, r1, #0x100000
+ add r12, r12, r4, lsr #0x1f
+_020EC0AC:
+ ands r4, lr, r3, lsr #0x13
+ cmpne r4, lr
+ beq _020EC4CC
+ bic r3, r3, lr, lsl #0x14
+ orr r3, r3, #0x100000
+_020EC0C0:
+ sub r12, r12, r4
+ cmp r1, r3
+ cmpeq r0, r2
+ bhs _020EC0DC
+ adds r0, r0, r0
+ adc r1, r1, r1
+ sub r12, r12, #0x2
+_020EC0DC:
+ sub r4, pc, #0x24 ; _020EC1C0 - #0x100
+ ldrb lr, [r4, r3, lsr #0xc]
+ rsbs r2, r2, #0x0
+ rsc r3, r3, #0x0
+ mov r4, #0x20000000
+ mla r5, lr, r3, r4
+ mov r6, r3, lsl #0xa
+ mov r5, r5, lsr #0x7
+ mul lr, r5, lr
+ orr r6, r6, r2, lsr #0x16
+ mov lr, lr, lsr #0xd
+ mul r5, lr, r6
+ mov r6, r1, lsl #0xa
+ orr r6, r6, r0, lsr #0x16
+ mov r5, r5, lsr #0x10
+ mul r5, lr, r5
+ mov lr, lr, lsl #0xe
+ add lr, lr, r5, lsr #0x10
+ umull r5, r6, lr, r6
+ umull r4, r5, r6, r2
+ mla r5, r3, r6, r5
+ mov r4, r4, lsr #0x1a
+ orr r4, r4, r5, lsl #0x6
+ add r4, r4, r0, lsl #0x2
+ umull lr, r5, r4, lr
+ mov r4, #0x0
+ adds r5, r5, r6, lsl #0x18
+ adc r4, r4, r6, lsr #0x8
+ cmp r12, #0x800
+ bge _020EC2C0
+ add r12, r12, #0x7f0
+ adds r12, r12, #0xc
+ bmi _020EC2D8
+ orr r1, r4, r12, lsl #0x1f
+ bic r12, r12, #0x1
+ add r1, r1, r12, lsl #0x13
+ tst lr, #0x80000000
+ bne _020EC1B0
+ rsbs r2, r2, #0x0
+ mov r4, r4, lsl #0x1
+ add r4, r4, r5, lsr #0x1f
+ mul lr, r2, r4
+ mov r6, #0x0
+ mov r4, r5, lsl #0x1
+ orr r4, r4, #0x1
+ umlal r6, lr, r4, r2
+ rsc r3, r3, #0x0
+ mla lr, r4, r3, lr
+ cmp lr, r0, lsl #0x15
+ bmi _020EC1B0
+ mov r0, r5
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC1B0:
+ adds r0, r5, #0x1
+ adc r1, r1, #0x0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC1C0: ; not code
+ .byte 0xFF, 0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, 0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1
+ .byte 0xF0, 0xF0, 0xEF, 0xEE, 0xED, 0xEC, 0xEB, 0xEA, 0xEA, 0xE9, 0xE8, 0xE7, 0xE6, 0xE6, 0xE5, 0xE4
+ .byte 0xE3, 0xE2, 0xE2, 0xE1, 0xE0, 0xDF, 0xDF, 0xDE, 0xDD, 0xDC, 0xDC, 0xDB, 0xDA, 0xD9, 0xD9, 0xD8
+ .byte 0xD7, 0xD7, 0xD6, 0xD5, 0xD4, 0xD4, 0xD3, 0xD2, 0xD2, 0xD1, 0xD0, 0xD0, 0xCF, 0xCE, 0xCE, 0xCD
+ .byte 0xCC, 0xCC, 0xCB, 0xCB, 0xCA, 0xC9, 0xC9, 0xC8, 0xC8, 0xC7, 0xC6, 0xC6, 0xC5, 0xC5, 0xC4, 0xC3
+ .byte 0xC3, 0xC2, 0xC2, 0xC1, 0xC0, 0xC0, 0xBF, 0xBF, 0xBE, 0xBE, 0xBD, 0xBD, 0xBC, 0xBC, 0xBB, 0xBA
+ .byte 0xBA, 0xB9, 0xB9, 0xB8, 0xB8, 0xB7, 0xB7, 0xB6, 0xB6, 0xB5, 0xB5, 0xB4, 0xB4, 0xB3, 0xB3, 0xB2
+ .byte 0xB2, 0xB1, 0xB1, 0xB0, 0xB0, 0xAF, 0xAF, 0xAF, 0xAE, 0xAE, 0xAD, 0xAD, 0xAC, 0xAC, 0xAB, 0xAB
+ .byte 0xAA, 0xAA, 0xAA, 0xA9, 0xA9, 0xA8, 0xA8, 0xA7, 0xA7, 0xA7, 0xA6, 0xA6, 0xA5, 0xA5, 0xA4, 0xA4
+ .byte 0xA4, 0xA3, 0xA3, 0xA2, 0xA2, 0xA2, 0xA1, 0xA1, 0xA0, 0xA0, 0xA0, 0x9F, 0x9F, 0x9E, 0x9E, 0x9E
+ .byte 0x9D, 0x9D, 0x9D, 0x9C, 0x9C, 0x9B, 0x9B, 0x9B, 0x9A, 0x9A, 0x9A, 0x99, 0x99, 0x99, 0x98, 0x98
+ .byte 0x98, 0x97, 0x97, 0x96, 0x96, 0x96, 0x95, 0x95, 0x95, 0x94, 0x94, 0x94, 0x93, 0x93, 0x93, 0x92
+ .byte 0x92, 0x92, 0x91, 0x91, 0x91, 0x91, 0x90, 0x90, 0x90, 0x8F, 0x8F, 0x8F, 0x8E, 0x8E, 0x8E, 0x8D
+ .byte 0x8D, 0x8D, 0x8C, 0x8C, 0x8C, 0x8C, 0x8B, 0x8B, 0x8B, 0x8A, 0x8A, 0x8A, 0x8A, 0x89, 0x89, 0x89
+ .byte 0x88, 0x88, 0x88, 0x88, 0x87, 0x87, 0x87, 0x86, 0x86, 0x86, 0x86, 0x85, 0x85, 0x85, 0x85, 0x84
+ .byte 0x84, 0x84, 0x83, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x82, 0x81, 0x81, 0x81, 0x81, 0x80, 0x80
+_020EC2C0:
+ movs r1, r12, lsl #0x1f
+ orr r1, r1, #0x7f000000
+ orr r1, r1, #0xf00000
+ mov r0, #0x0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC2D8:
+ mvn r6, r12, asr #0x1
+ cmp r6, #0x34
+ bgt _020EC424
+ beq _020EC400
+ cmp r6, #0x14
+ bge _020EC320
+ rsb r6, r6, #0x13
+ mov lr, r0, lsl r6
+ rsb r6, r6, #0x14
+ mov r0, r5, lsr r6
+ rsb r6, r6, #0x20
+ orr r0, r0, r4, lsl r6
+ rsb r6, r6, #0x20
+ mov r4, r4, lsr r6
+ orr r1, r4, r12, lsl #0x1f
+ mov r12, lr
+ mov lr, #0x0
+ b _020EC350
+_020EC320:
+ rsb r6, r6, #0x33
+ mov lr, r1, lsl r6
+ mov r1, r12, lsl #0x1f
+ rsb r6, r6, #0x20
+ orr r12, lr, r0, lsr r6
+ rsb r6, r6, #0x20
+ mov lr, r0, lsl r6
+ mov r5, r5, lsr #0x15
+ orr r5, r5, r4, lsl #0xb
+ rsb r6, r6, #0x1f
+ mov r0, r5, lsr r6
+ mov r4, #0x0
+_020EC350:
+ rsbs r2, r2, #0x0
+ mul r4, r2, r4
+ mov r5, #0x0
+ umlal r5, r4, r2, r0
+ rsc r3, r3, #0x0
+ mla r4, r0, r3, r4
+ cmp r4, r12
+ cmpeq r5, lr
+ ldmeqia sp!, {r4-r6,lr}
+ bxeq lr
+ adds r5, r5, r2
+ adc r4, r4, r3
+ cmp r4, r12
+ bmi _020EC3F4
+ bne _020EC398
+ cmp r5, lr
+ beq _020EC3E4
+ blo _020EC3F4
+_020EC398:
+ subs r5, r5, r2
+ sbc r4, r4, r3
+_020EC3A0:
+ adds r5, r5, r5
+ adc r4, r4, r4
+ adds r5, r5, r2
+ adc r4, r4, r3
+ adds lr, lr, lr
+ adc r12, r12, r12
+ cmp r4, r12
+ bmi _020EC3E4
+ ldmneia sp!, {r4-r6,lr}
+ bxne lr
+ cmp r5, lr
+ blo _020EC3E4
+ ldmneia sp!, {r4-r6,lr}
+ bxne lr
+ tst r0, #0x1
+ ldmeqia sp!, {r4-r6,lr}
+ bxeq lr
+_020EC3E4:
+ adds r0, r0, #0x1
+ adc r1, r1, #0x0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC3F4:
+ adds r0, r0, #0x1
+ adc r1, r1, #0x0
+ b _020EC3A0
+_020EC400:
+ rsbs r2, r2, #0x0
+ rsc r3, r3, #0x0
+ cmp r1, r3
+ cmpeq r0, r2
+ mov r1, r12, lsl #0x1f
+ mov r0, #0x0
+ movne r0, #0x1
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC424:
+ mov r1, r12, lsl #0x1f
+ mov r0, #0x0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC434:
+ orrs r5, r0, r1, lsl #0x1
+ beq _020EC558
+ cmp r12, lr
+ beq _020EC49C
+ movs r1, r1, lsl #0xc
+ beq _020EC478
+ clz r5, r1
+ movs r1, r1, lsl r5
+ sub r12, r12, r5
+ add r5, r12, #0x1f
+ mov r1, r1, lsr #0xb
+ orr r1, r1, r0, lsr r5
+ rsb r5, r5, #0x20
+ mov r0, r0, lsl r5
+ mov r12, r12, lsl #0x1
+ orr r12, r12, r4, lsr #0x1f
+ b _020EC0AC
+_020EC478:
+ mvn r12, #0x13
+ clz r5, r0
+ movs r0, r0, lsl r5
+ sub r12, r12, r5
+ mov r1, r0, lsr #0xb
+ mov r0, r0, lsl #0x15
+ mov r12, r12, lsl #0x1
+ orr r12, r12, r4, lsr #0x1f
+ b _020EC0AC
+_020EC49C:
+ orrs r5, r0, r1, lsl #0xc
+ bne _020EC580
+ bic r5, r3, #0x80000000
+ cmp r5, lr, lsl #0x13
+ bhs _020EC4C0
+ and r5, r3, #0x80000000
+ eor r1, r5, r1
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC4C0:
+ orrs r5, r2, r3, lsl #0xc
+ bne _020EC5A0
+ b _020EC5B8
+_020EC4CC:
+ orrs r5, r2, r3, lsl #0x1
+ beq _020EC544
+ cmp r4, lr
+ beq _020EC52C
+ movs r3, r3, lsl #0xc
+ beq _020EC50C
+ clz r5, r3
+ movs r3, r3, lsl r5
+ sub r4, r4, r5
+ add r5, r4, #0x1f
+ mov r3, r3, lsr #0xb
+ orr r3, r3, r2, lsr r5
+ rsb r5, r5, #0x20
+ mov r2, r2, lsl r5
+ mov r4, r4, lsl #0x1
+ b _020EC0C0
+_020EC50C:
+ mvn r4, #0x13
+ clz r5, r2
+ movs r2, r2, lsl r5
+ sub r4, r4, r5
+ mov r3, r2, lsr #0xb
+ mov r2, r2, lsl #0x15
+ mov r4, r4, lsl #0x1
+ b _020EC0C0
+_020EC52C:
+ orrs r5, r2, r3, lsl #0xc
+ bne _020EC5A0
+ mov r1, r12, lsl #0x1f
+ mov r0, #0x0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC544:
+ mov r1, r12, lsl #0x1f
+ orr r1, r1, lr, lsl #0x13
+ mov r0, #0x0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC558:
+ orrs r5, r2, r3, lsl #0x1
+ beq _020EC5B8
+ bic r5, r3, #0x80000000
+ cmp r5, lr, lsl #0x13
+ cmpeq r2, #0x0
+ bhi _020EC5A0
+ eor r1, r1, r3
+ and r1, r1, #0x80000000
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC580:
+ tst r1, #0x80000
+ beq _020EC5B8
+ bic r5, r3, #0x80000000
+ cmp r5, lr, lsl #0x13
+ cmpeq r2, #0x0
+ bhi _020EC5A0
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC5A0:
+ tst r3, #0x80000
+ beq _020EC5B8
+ mov r1, r3
+ mov r0, r2
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+_020EC5B8:
+ orr r1, r1, #0x7f000000
+ orr r1, r1, #0xf80000
+ ldmia sp!, {r4-r6,lr}
+ bx lr
+ .balign 4
+_020EC5C8: .word 0x00000FFE
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