mirror of
https://github.com/SAT-R/sa2.git
synced 2026-10-28 09:43:38 +00:00
Oliver Bell
cc2110e85d
* name some engine globals (gSpriteTransform*) * move the whole sa1 directory to the root
324 lines
9.2 KiB
PHP
324 lines
9.2 KiB
PHP
.include "asm/macros.inc"
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.syntax unified
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.text
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push {r4, r5, r6, r7, lr}
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mov r7, sl
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mov r6, sb
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mov r5, r8
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push {r5, r6, r7}
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sub sp, #0x18
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movs r0, #0
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mov r8, r0 @ r8 = bg = 0
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mov r1, sp
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str r1, [sp, #0x10] @ sp+0x10 = sp
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sub_8004010_loop:
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mov r2, r8 @ r8 = bg
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lsls r0, r2, #2 @ r0 = bg*4
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ldr r1, _sa2_080040DC @ =gBgSprites_Unknown2
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adds r1, #1
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adds r4, r0, r1 @ r4 = gBgSprites_Unknown2[bg][1]
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ldr r6, _sa2_080040E0 @ =gBgSprites_Unknown2 + 3
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adds r6, r0, r6 @ r6 = &gBgSprites_Unknown2[bg][3]
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str r6, [sp, #0xc] @ sp0C = r6 = &gBgSprites_Unknown2[bg][3]
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ldrb r1, [r4] @ r1 = *r4 = gBgSprites_Unknown2[bg][1]
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ldrb r2, [r6] @ r2 = *r6 = gBgSprites_Unknown2[bg][3]
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mov ip, r2 @ ip = r2 = gBgSprites_Unknown2[bg][3]
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mov sl, r0 @ sl = bg*4
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__sa2_0800403C:
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cmp r1, ip
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bne _sa2_08004056
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ldr r0, _sa2_080040DC @ =gBgSprites_Unknown2 + 0
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add r0, sl
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ldr r1, _sa2_080040E4 @ =gBgSprites_Unknown2 + 2
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add r1, sl @ r1 = gBgSprites_Unknown2[bg][2]
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ldrb r0, [r0] @ r0 = gBgSprites_Unknown2[bg][0]
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mov r7, r8
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adds r7, #1 @ r7 = bg+1
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ldrb r1, [r1]
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__sa2_08004050:
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cmp r0, r1
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bne _sa2_08004056
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b sub_8004010_continue
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_sa2_08004056:
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ldr r2, _sa2_080040E8 @ =gBgCntRegs
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mov r6, r8 @ r6 = r8 = bg
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lsls r3, r6, #1 @ r3 = bg*2
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adds r0, r3, r2 @ r0 = &gBgCntRegs[bg]
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ldrh r6, [r0] @ r6 = bgCtrl = gBgCntRegs[bg]
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movs r1, #0xc0
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lsls r1, r1, #0x13 @ r1 = VRAM
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movs r0, #0xf8
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lsls r0, r0, #5
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ands r0, r6 @ bgCtrl & 0x1F00
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lsls r0, r0, #3
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adds r5, r0, r1 @ r5 = vramBase
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ldrb r4, [r4] @ r4 = gBgSprites_Unknown2[bg][1]
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ldr r0, _sa2_080040DC @ =gBgSprites_Unknown2
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add r0, sl @ r0 = &gBgSprites_Unknown2[bg][0]
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ldrb r0, [r0] @ r0 = gBgSprites_Unknown2[bg][0]
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str r0, [sp, #8]
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adds r7, r2, #0 @ r7 = gBgCntRegs
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adds r2, r3, #0 @ r2 = r3 = bg * 2
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mov r0, r8
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__sa2_0800407E:
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cmp r0, #1
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bls _sa2_08004168
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ldr r0, _sa2_080040EC @ =gDispCnt
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ldrh r1, [r0]
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movs r0, #3
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ands r0, r1
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__sa2_0800408A:
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cmp r0, #0
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beq _sa2_08004168
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__sa2_0800408E:
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ldr r1, [sp, #8]
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adds r5, r5, r1 @ r5 = vramBase + sp08
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lsrs r2, r6, #14 @ r2 = (r6 = bgCtrl) >> 14
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movs r0, #0x80
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lsls r0, r0, #0xd
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lsls r0, r2
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lsrs r3, r0, #0x10 @ r3 = affineSize = (16 << (gBgCntRegs[bg] >> 14))
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mov r2, ip @ r2 = ip = gBgSprites_Unknown2[bg][3]
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__sa2_0800409E:
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cmp r2, #0xff
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bne _sa2_080040F8
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__sa2_080040A2:
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ldr r0, _sa2_080040F0 @ =gBgSprites_Unknown1
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add r0, r8 @ r0 = &gBgSprites_Unknown1[bg]
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ldrb r1, [r0] @ r1 = gBgSprites_Unknown1[bg]
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lsls r0, r1, #8 @ combine(v) : ((v) << 8 | (v))
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orrs r1, r0 @ r1 = cb = combine(gBgSprites_Unknown1[bg])
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adds r0, r4, #0 @ r0 = r4 = gBgSprites_Unknown2[bg][1]
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muls r0, r3, r0 @ r0 = affineSize * gBgSprites_Unknown2[bg][1]
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adds r0, r5, r0 @ r0 = vramBase + (affineSize * gBgSprites_Unknown2[bg][1])
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ldr r6, [sp, #0x10] @ --- DMA Start ---
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strh r1, [r6] @ *sp10 = cb
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mov r1, sp
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ldr r2, _sa2_080040F4 @ =0x040000D4
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str r1, [r2] @ DMASrc = sp00 (fill: cb)
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str r0, [r2, #4] @ vramBase
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ldr r6, [sp, #0xc] @ sp0C = &gBgSprites_Unknown2[bg][3]
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ldrb r0, [r6]
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subs r0, r0, r4
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muls r0, r3, r0
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lsrs r1, r0, #0x1f
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adds r0, r0, r1
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asrs r0, r0, #1
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movs r1, #0x81
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lsls r1, r1, #0x18
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orrs r0, r1
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str r0, [r2, #8]
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ldr r0, [r2, #8] @ @ --- DMA End ---
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add r2, sp, #4
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mov sb, r2 @ sb = 2nd dmaTarget
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b _sa2_080041C0
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.align 2, 0
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_sa2_080040DC: .4byte gBgSprites_Unknown2
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_sa2_080040E0: .4byte gBgSprites_Unknown2 + 3
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_sa2_080040E4: .4byte gBgSprites_Unknown2 + 2
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_sa2_080040E8: .4byte gBgCntRegs
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_sa2_080040EC: .4byte gDispCnt
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_sa2_080040F0: .4byte gBgSprites_Unknown1
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_sa2_080040F4: .4byte 0x040000D4
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_sa2_080040F8:
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add r6, sp, #4
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mov sb, r6 @ sb = sp04 (2nd dmaTarget)
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mov r7, r8 @ r7 = r8 = bg
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adds r7, #1 @ r7 = bg + 1
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__sa2_08004100:
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cmp r4, ip @ ip = p3
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bls _sa2_08004106
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b _sa2_0800422C
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_sa2_08004106:
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ldr r0, _sa2_0800415C @ =gBgSprites_Unknown1
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add r0, r8
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mov ip, r0 @ ip = &gBgSprites_Unknown1[bg]
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ldr r2, _sa2_08004160 @ =0x040000D4
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ldr r1, _sa2_08004164 @ =gBgSprites_Unknown2 + 2
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add r1, sl
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mov r8, r1 @ r8 = &gBgSprites_Unknown2[bg][2]
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ldr r6, [sp, #0xc]
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str r6, [sp, #0x14]
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_sa2_08004118_loop:
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mov r0, ip @ r0 = ip = &gBgSprites_Unknown1[bg]
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ldrb r1, [r0]
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lsls r0, r1, #8
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orrs r1, r0 @ r1 = cb = combine(gBgSprites_Unknown1[bg])
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adds r0, r4, #0
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muls r0, r3, r0 @ r0 *= affineSize
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adds r0, r5, r0
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ldr r6, [sp, #0x10] @ r6 = sp00
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strh r1, [r6] @ sp00[0] = cb
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mov r1, sp
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str r1, [r2]
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str r0, [r2, #4]
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mov r6, r8 @ r6 = r8 = &gBgSprites_Unknown2[bg][2]
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ldrb r0, [r6]
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ldr r1, [sp, #8]
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subs r0, r0, r1 @ r0 = gBgSprites_Unknown2[bg][2] - gBgSprites_Unknown2[bg][0]
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adds r0, #1
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asrs r1, r0, #1
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lsrs r0, r0, #0x1f
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adds r1, r1, r0
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asrs r1, r1, #1
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movs r6, #0x81
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lsls r6, r6, #0x18
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orrs r1, r6
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str r1, [r2, #8]
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ldr r0, [r2, #8]
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adds r0, r4, #1
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lsls r0, r0, #0x18
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lsrs r4, r0, #0x18
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ldr r0, [sp, #0x14]
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ldrb r0, [r0]
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cmp r4, r0
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bls _sa2_08004118_loop
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b _sa2_0800422C
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.align 2, 0
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_sa2_0800415C: .4byte gBgSprites_Unknown1
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_sa2_08004160: .4byte 0x040000D4
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_sa2_08004164: .4byte gBgSprites_Unknown2 + 2
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_sa2_08004168:
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ldr r1, [sp, #8] @ r1 = sp08 = gBgSprites_Unknown2[bg][0]
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lsls r0, r1, #1
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adds r5, r5, r0 @ r5 = vramBase + (sp08 * 2)
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movs r3, #0x20 @ r3 = tileSize = 32
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@ r7 = gBgCntRegs
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@ r2 = bg*2
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adds r0, r2, r7 @ r0 = &gBgCntRegs[bg]
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ldrh r0, [r0]
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lsrs r2, r0, #14
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subs r0, r2, #2
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lsls r0, r0, #0x18
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lsrs r0, r0, #0x18 @ r0 = affineSize
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__sa2_0800417C:
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cmp r0, #1
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bhi _sa2_08004182
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movs r3, #0x40 @ r3 = tileSize = 64
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_sa2_08004182:
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ldr r1, _sa2_080041C8 @ =&gBgSprites_Unknown2[0][2]
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add r1, sl @ r1 = &gBgSprites_Unknown2[bg][2]
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ldrb r0, [r1]
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__sa2_08004188:
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cmp r0, #0xff
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bne _sa2_080041D8
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__sa2_0800418C:
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ldr r0, _sa2_080041CC @ =gBgSprites_Unknown1
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add r0, r8
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ldrb r1, [r0] @ r1 = gBgSprites_Unknown1[bg]
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lsls r0, r3, #1 @ r3 = tileSize
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muls r0, r4, r0 @ r0 = tileSize * gBgSprites_Unknown2[bg][1]
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adds r0, r5, r0
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ldr r2, [sp, #0x10] @ r2 = &sp00[0]
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strh r1, [r2] @ sp00[0] = gBgSprites_Unknown1[bg];
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mov r6, sp @ r6 = sp
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ldr r1, _sa2_080041D0 @ =0x040000D4
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str r6, [r1]
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str r0, [r1, #4]
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ldr r0, _sa2_080041D4 @ r0 = &gBgSprites_Unknown2[0][3]
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add r0, sl @ r0 = &gBgSprites_Unknown2[bg][3]
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ldrb r0, [r0] @ r0 = gBgSprites_Unknown2[bg][3]
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subs r0, r0, r4 @ r0 = r0 - gBgSprites_Unknown2[bg][1]
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muls r0, r3, r0
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lsls r0, r0, #1
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asrs r0, r0, #1
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movs r2, #0x81
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lsls r2, r2, #0x18
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orrs r0, r2
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str r0, [r1, #8]
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ldr r0, [r1, #8]
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add r6, sp, #4
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mov sb, r6 @ sb = dmaTarget
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_sa2_080041C0:
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mov r7, r8
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adds r7, #1
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b _sa2_0800422C
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.align 2, 0
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_sa2_080041C8: .4byte gBgSprites_Unknown2 + 2
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_sa2_080041CC: .4byte gBgSprites_Unknown1
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_sa2_080041D0: .4byte 0x040000D4
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_sa2_080041D4: .4byte gBgSprites_Unknown2 + 3
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_sa2_080041D8:
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ldr r0, _sa2_08004260 @ =gBgSprites_Unknown2 + 3
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add r0, sl @ r0 = &gBgSprites_Unknown2[bg][3]
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add r2, sp, #4
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mov sb, r2 @ sb = dmaTarget
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mov r7, r8 @ r7 = bg+1 (done by loop)
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adds r7, #1
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ldrb r6, [r0] @ r6 = gBgSprites_Unknown2[bg][3]
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__sa2_080041E6:
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cmp r4, r6
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bhi _sa2_0800422C
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ldr r2, _sa2_08004264 @ r2 = gBgSprites_Unknown1
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add r8, r2 @ r8 = gBgSprites_Unknown1[bg]
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ldr r2, _sa2_08004268 @ =0x040000D4
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mov ip, r1 @ ip = r1 = &gBgSprites_Unknown2[bg][2]
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str r0, [sp, #0x14]
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lsls r3, r3, #1
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_sa2_080041F6:
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mov r6, r8 @ r6 = &gBgSprites_Unknown1[bg]
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ldrb r1, [r6] @ r1 = gBgSprites_Unknown1[bg]
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adds r0, r4, #0 @ r0 = r4 = gBgSprites_Unknown2[bg][1]
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muls r0, r3, r0 @ r0 = tileSize * gBgSprites_Unknown2[bg][1]
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adds r0, r5, r0
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ldr r6, [sp, #0x10]
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strh r1, [r6] @ sp00[0] = gBgSprites_Unknown1[bg]
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mov r1, sp
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str r1, [r2]
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str r0, [r2, #4]
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mov r6, ip @ r6 = ip = &gBgSprites_Unknown2[bg][2]
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ldrb r0, [r6]
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ldr r1, [sp, #8]
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subs r0, r0, r1 @ r0 = (gBgSprites_Unknown2[bg][2] - gBgSprites_Unknown2[bg][0])
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adds r0, #1
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movs r6, #0x81
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lsls r6, r6, #0x18
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orrs r0, r6
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str r0, [r2, #8]
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ldr r0, [r2, #8]
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adds r0, r4, #1
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lsls r0, r0, #0x18
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lsrs r4, r0, #0x18
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ldr r0, [sp, #0x14]
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ldrb r0, [r0]
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cmp r4, r0
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bls _sa2_080041F6
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_sa2_0800422C:
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movs r0, #0
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str r0, [sp, #4]
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mov r1, sb @ r1 = sb = &sp04 = dmaTarget
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ldr r2, _sa2_08004268 @ r2 = 0x040000D4
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str r1, [r2]
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ldr r0, _sa2_0800426C @ =gBgSprites_Unknown2
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add r0, sl @ r0 = &gBgSprites_Unknown2[bg][0]
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str r0, [r2, #4]
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ldr r0, _sa2_08004270 @ =0x85000001
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str r0, [r2, #8]
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ldr r0, [r2, #8]
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sub_8004010_continue:
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lsls r0, r7, #0x18
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lsrs r0, r0, #0x18
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mov r8, r0
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cmp r0, #3
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bhi sub_8004010_return
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b sub_8004010_loop
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sub_8004010_return:
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movs r0, #1
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add sp, #0x18
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pop {r3, r4, r5}
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mov r8, r3
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mov sb, r4
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mov sl, r5
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pop {r4, r5, r6, r7}
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pop {r1}
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bx r1
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.align 2, 0
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_sa2_08004260: .4byte gBgSprites_Unknown2 + 3
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_sa2_08004264: .4byte gBgSprites_Unknown1
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_sa2_08004268: .4byte 0x040000D4
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_sa2_0800426C: .4byte gBgSprites_Unknown2
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_sa2_08004270: .4byte 0x85000001
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.syntax divided
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