diff options
Diffstat (limited to 'asm/flash.s')
| -rw-r--r-- | asm/flash.s | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/asm/flash.s b/asm/flash.s new file mode 100644 index 0000000..4e95464 --- /dev/null +++ b/asm/flash.s @@ -0,0 +1,218 @@ + .include "constants/gba_constants.inc" + .include "asm/macros.inc" + + .syntax unified + + .text + + thumb_func_start sub_800CF0C +sub_800CF0C: + push {lr} + bl IdentifyFlash + lsls r0, 16 + cmp r0, 0 + bne _0800CF32 + movs r0, 0x3 + bl sub_800B6E8 + adds r1, r0, 0 + movs r0, 0x2 + bl SetFlashTimerIntr + lsls r0, 16 + cmp r0, 0 + bne _0800CF32 + ldr r1, _0800CF38 + movs r0, 0x1 + strb r0, [r1] +_0800CF32: + pop {r0} + bx r0 + .align 2, 0 +_0800CF38: .4byte gUnknown_203B0B4 + thumb_func_end sub_800CF0C + + thumb_func_start sub_800CF3C +sub_800CF3C: + push {lr} + ldr r0, _0800CF54 + ldrb r0, [r0] + cmp r0, 0 + beq _0800CF4E + ldr r0, _0800CF58 + ldr r0, [r0] + bl _call_via_r0 +_0800CF4E: + pop {r0} + bx r0 + .align 2, 0 +_0800CF54: .4byte gUnknown_203B0B4 +_0800CF58: .4byte EraseFlashChip + thumb_func_end sub_800CF3C + + thumb_func_start sub_800CF5C +sub_800CF5C: + push {r4-r7,lr} + mov r7, r8 + push {r7} + adds r6, r0, 0 + adds r5, r2, 0 + ldr r0, _0800CFAC + ldrb r0, [r0] + cmp r0, 0 + beq _0800CFB4 + adds r4, r1, 0 + ldr r0, _0800CFB0 + cmp r5, r0 + ble _0800CF94 + movs r7, 0x80 + lsls r7, 5 + mov r8, r0 +_0800CF7C: + lsls r0, r6, 16 + lsrs r0, 16 + movs r1, 0 + adds r2, r4, 0 + adds r3, r7, 0 + bl ReadFlash + adds r6, 0x1 + adds r4, r7 + subs r5, r7 + cmp r5, r8 + bgt _0800CF7C +_0800CF94: + cmp r5, 0 + ble _0800CFA6 + lsls r0, r6, 16 + lsrs r0, 16 + movs r1, 0 + adds r2, r4, 0 + adds r3, r5, 0 + bl ReadFlash +_0800CFA6: + movs r0, 0 + b _0800CFB6 + .align 2, 0 +_0800CFAC: .4byte gUnknown_203B0B4 +_0800CFB0: .4byte 0x00000fff +_0800CFB4: + movs r0, 0x3 +_0800CFB6: + pop {r3} + mov r8, r3 + pop {r4-r7} + pop {r1} + bx r1 + thumb_func_end sub_800CF5C + + thumb_func_start sub_800CFC0 +sub_800CFC0: + push {r4-r6,lr} + ldr r4, _0800CFD8 + add sp, r4 + adds r6, r0, 0 + adds r5, r2, 0 + ldr r0, _0800CFDC + ldrb r0, [r0] + cmp r0, 0 + beq _0800D03C + movs r2, 0x1 + adds r4, r1, 0 + b _0800CFEC + .align 2, 0 +_0800CFD8: .4byte 0xfffff000 +_0800CFDC: .4byte gUnknown_203B0B4 +_0800CFE0: + adds r6, 0x1 + movs r0, 0x80 + lsls r0, 5 + adds r4, r0 + ldr r0, _0800D034 + adds r5, r0 +_0800CFEC: + ldr r0, _0800D038 + cmp r5, r0 + ble _0800D002 + adds r0, r6, 0 + adds r1, r4, 0 + bl sub_800D04C + lsls r0, 24 + lsrs r2, r0, 24 + cmp r2, 0 + bne _0800CFE0 +_0800D002: + cmp r2, 0 + beq _0800D03C + cmp r5, 0 + ble _0800D02C + movs r2, 0x80 + lsls r2, 5 + mov r0, sp + movs r1, 0xFF + bl MemoryFill8 + mov r0, sp + adds r1, r4, 0 + adds r2, r5, 0 + bl MemoryCopy8 + adds r0, r6, 0 + mov r1, sp + bl sub_800D04C + lsls r0, 24 + lsrs r2, r0, 24 +_0800D02C: + cmp r2, 0 + beq _0800D03C + movs r0, 0 + b _0800D03E + .align 2, 0 +_0800D034: .4byte 0xfffff000 +_0800D038: .4byte 0x00000fff +_0800D03C: + movs r0, 0x3 +_0800D03E: + movs r3, 0x80 + lsls r3, 5 + add sp, r3 + pop {r4-r6} + pop {r1} + bx r1 + thumb_func_end sub_800CFC0 + + thumb_func_start sub_800D04C +sub_800D04C: + push {r4-r7,lr} + adds r5, r1, 0 + movs r6, 0x3 + ldr r7, _0800D07C + lsls r0, 16 + lsrs r4, r0, 16 +_0800D058: + ldr r2, [r7] + adds r0, r4, 0 + adds r1, r5, 0 + bl _call_via_r2 + lsls r0, 16 + cmp r0, 0 + bne _0800D080 + adds r0, r4, 0 + adds r1, r5, 0 + movs r2, 0x80 + lsls r2, 5 + bl VerifyFlashSectorNBytes + cmp r0, 0 + bne _0800D080 + movs r0, 0x1 + b _0800D08A + .align 2, 0 +_0800D07C: .4byte ProgramFlashSector +_0800D080: + adds r0, r6, 0 + subs r6, 0x1 + cmp r0, 0 + bgt _0800D058 + movs r0, 0 +_0800D08A: + pop {r4-r7} + pop {r1} + bx r1 + thumb_func_end sub_800D04C + + .align 2, 0 @ Don't pad with nop. |