1 files changed, 284 insertions, 0 deletions
diff --git a/arm9/asm/NNS_G2D_g2d_font.s b/arm9/asm/NNS_G2D_g2d_font.s
new file mode 100644
index 00000000..162fe423
--- /dev/null
+++ b/arm9/asm/NNS_G2D_g2d_font.s
@@ -0,0 +1,284 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+
+	.section .text
+
+	arm_func_start NNSi_G2dFontGetTextRect
+NNSi_G2dFontGetTextRect: ; 0x020B5ABC
+	stmdb sp!, {r4-r9,lr}
+	sub sp, sp, #0xc
+	add r5, sp, #0x0
+	mov r4, #0x0
+	str r4, [r5, #0x0]
+	str r4, [r5, #0x4]
+	mov r8, r2
+	ldr r2, [sp, #0x28]
+	mov r5, r0
+	mov r9, r1
+	mov r4, r3
+	cmp r2, #0x0
+	mov r7, #0x1
+	beq _020B5B24
+	add r6, sp, #0x28
+_020B5AF8:
+	mov r0, r9
+	mov r1, r8
+	mov r3, r6
+	bl NNSi_G2dFontGetStringWidth
+	ldr r1, [sp, #0x0]
+	ldr r2, [sp, #0x28]
+	cmp r0, r1
+	strgt r0, [sp, #0x0]
+	add r7, r7, #0x1
+	cmp r2, #0x0
+	bne _020B5AF8
+_020B5B24:
+	ldr r0, [r9, #0x0]
+	sub r2, r7, #0x1
+	ldrsb r1, [r0, #0x1]
+	ldr r0, [sp, #0x0]
+	add r1, r4, r1
+	mul r1, r2, r1
+	sub r1, r1, r4
+	str r1, [sp, #0x4]
+	str r0, [r5, #0x0]
+	str r1, [r5, #0x4]
+	add sp, sp, #0xc
+	ldmia sp!, {r4-r9,pc}
+	arm_func_end NNSi_G2dFontGetTextRect
+
+	arm_func_start NNSi_G2dFontGetTextHeight
+NNSi_G2dFontGetTextHeight: ; 0x020B5B54
+	stmdb sp!, {r4-r8,lr}
+	sub sp, sp, #0x10
+	str r2, [sp, #0x0]
+	add r3, sp, #0x4
+	mov r2, #0x0
+	str r2, [r3, #0x0]
+	mov r8, r0
+	str r2, [r3, #0x4]
+	ldr r7, [r8, #0x4]
+	add r0, sp, #0x0
+	mov r5, r1
+	mov r4, #0x1
+	blx r7
+	cmp r0, #0x0
+	beq _020B5BAC
+	add r6, sp, #0x0
+_020B5B94:
+	cmp r0, #0xa
+	mov r0, r6
+	addeq r4, r4, #0x1
+	blx r7
+	cmp r0, #0x0
+	bne _020B5B94
+_020B5BAC:
+	ldr r0, [r8, #0x0]
+	ldrsb r0, [r0, #0x1]
+	add r0, r5, r0
+	mul r0, r4, r0
+	sub r0, r0, r5
+	add sp, sp, #0x10
+	ldmia sp!, {r4-r8,pc}
+	arm_func_end NNSi_G2dFontGetTextHeight
+
+	arm_func_start NNSi_G2dFontGetStringWidth
+NNSi_G2dFontGetStringWidth: ; 0x020B5BC8
+	stmdb sp!, {r4-r10,lr}
+	sub sp, sp, #0x8
+	mov r8, r0
+	str r2, [sp, #0x0]
+	ldr r4, [r8, #0x4]
+	add r0, sp, #0x0
+	mov r7, r1
+	mov r6, r3
+	mov r5, #0x0
+	blx r4
+	movs r1, r0
+	beq _020B5C58
+	ldr sb, _020B5C84 ; =0x0000FFFF
+	add r10, sp, #0x0
+_020B5C00:
+	cmp r1, #0xa
+	beq _020B5C58
+	mov r0, r8
+	bl NNS_G2dFontFindGlyphIndex
+	mov r1, r0
+	cmp r1, r9
+	ldreq r0, [r8, #0x0]
+	ldreqh r1, [r0, #0x2]
+	mov r0, r8
+	bl NNS_G2dFontGetCharWidthsFromIndex
+	ldrh r1, [r8, #0x8]
+	cmp r1, #0x0
+	ldrnesb r1, [r0, #0x0]
+	ldrneb r0, [r0, #0x1]
+	addne r0, r1, r0
+	ldreqsb r0, [r0, #0x2]
+	add r1, r7, r0
+	mov r0, r10
+	add r5, r5, r1
+	blx r4
+	movs r1, r0
+	bne _020B5C00
+_020B5C58:
+	cmp r6, #0x0
+	beq _020B5C70
+	cmp r1, #0xa
+	ldreq r0, [sp, #0x0]
+	movne r0, #0x0
+	str r0, [r6, #0x0]
+_020B5C70:
+	cmp r5, #0x0
+	subgt r5, r5, r7
+	mov r0, r5
+	add sp, sp, #0x8
+	ldmia sp!, {r4-r10,pc}
+	.balign 4
+_020B5C84: .word 0x0000FFFF
+	arm_func_end NNSi_G2dFontGetStringWidth
+
+	arm_func_start NNS_G2dFontGetCharWidthsFromIndex
+NNS_G2dFontGetCharWidthsFromIndex: ; 0x020B5C88
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	ldr r3, [r0, #0x0]
+	ldr lr, [r3, #0xc]
+	cmp lr, #0x0
+	beq _020B5CD8
+_020B5CA0:
+	ldrh r12, [lr, #0x0]
+	cmp r12, r1
+	bhi _020B5CCC
+	ldrh r2, [lr, #0x2]
+	cmp r1, r2
+	ldrlsh r2, [r0, #0xa]
+	addls r3, lr, #0x8
+	subls r0, r1, r12
+	mlals r0, r2, r0, r3
+	addls sp, sp, #0x4
+	ldmlsia sp!, {pc}
+_020B5CCC:
+	ldr lr, [lr, #0x4]
+	cmp lr, #0x0
+	bne _020B5CA0
+_020B5CD8:
+	add r0, r3, #0x4
+	add sp, sp, #0x4
+	ldmia sp!, {pc}
+	arm_func_end NNS_G2dFontGetCharWidthsFromIndex
+
+	arm_func_start NNS_G2dFontFindGlyphIndex
+NNS_G2dFontFindGlyphIndex: ; 0x020B5CE4
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	ldr r0, [r0, #0x0]
+	ldr r0, [r0, #0x10]
+	cmp r0, #0x0
+	beq _020B5D2C
+_020B5CFC:
+	ldrh r2, [r0, #0x0]
+	cmp r2, r1
+	bhi _020B5D20
+	ldrh r2, [r0, #0x2]
+	cmp r1, r2
+	bhi _020B5D20
+	bl GetGlyphIndex
+	add sp, sp, #0x4
+	ldmia sp!, {pc}
+_020B5D20:
+	ldr r0, [r0, #0x8]
+	cmp r0, #0x0
+	bne _020B5CFC
+_020B5D2C:
+	ldr r0, _020B5D38 ; =0x0000FFFF
+	add sp, sp, #0x4
+	ldmia sp!, {pc}
+	.balign 4
+_020B5D38: .word 0x0000FFFF
+	arm_func_end NNS_G2dFontFindGlyphIndex
+
+	arm_func_start NNS_G2dFontInitUTF16
+NNS_G2dFontInitUTF16: ; 0x020B5D3C
+	stmdb sp!, {r4,lr}
+	mov r4, r0
+	mov r0, r1
+	mov r1, r4
+	bl NNSi_G2dGetUnpackedFont
+	sub r0, r0, #0x1
+	strh r0, [r4, #0x8]
+	ldrh r0, [r4, #0x8]
+	cmp r0, #0x0
+	movne r1, #0x2
+	moveq r1, #0x3
+	ldr r0, _020B5D78 ; =NNSi_G2dSplitCharUTF16
+	strh r1, [r4, #0xa]
+	str r0, [r4, #0x4]
+	ldmia sp!, {r4,pc}
+	.balign 4
+_020B5D78: .word NNSi_G2dSplitCharUTF16
+	arm_func_end NNS_G2dFontInitUTF16
+
+	arm_func_start GetGlyphIndex
+GetGlyphIndex: ; 0x020B5D7C
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	ldrh r3, [r0, #0x4]
+	ldr r2, _020B5E4C ; =0x0000FFFF
+	cmp r3, #0x0
+	beq _020B5DA8
+	cmp r3, #0x1
+	beq _020B5DC4
+	cmp r3, #0x2
+	beq _020B5DD8
+	b _020B5E40
+_020B5DA8:
+	ldrh r2, [r0, #0x0]
+	ldrh r3, [r0, #0xc]
+	sub r0, r1, r2
+	add r0, r3, r0
+	mov r0, r0, lsl #0x10
+	mov r2, r0, lsr #0x10
+	b _020B5E40
+_020B5DC4:
+	ldrh r2, [r0, #0x0]
+	sub r1, r1, r2
+	add r0, r0, r1, lsl #0x1
+	ldrh r2, [r0, #0xc]
+	b _020B5E40
+_020B5DD8:
+	ldrh r3, [r0, #0xc]
+	add r0, r0, #0xc
+	add r0, r0, #0x2
+	sub r3, r3, #0x1
+	add lr, r0, r3, lsl #0x2
+	cmp r0, lr
+	bhi _020B5E40
+_020B5DF4:
+	sub r12, lr, r0
+	mov r3, r12, asr #0x1
+	add r3, r12, r3, lsr #0x1e
+	mov r3, r3, asr #0x2
+	add r3, r3, r3, lsr #0x1f
+	mov r12, r3, asr #0x1
+	mov r3, r12, lsl #0x2
+	ldrh r3, [r0, r3]
+	add r12, r0, r12, lsl #0x2
+	cmp r3, r1
+	addcc r0, r12, #0x4
+	blo _020B5E38
+	cmp r1, r3
+	subcc lr, r12, #0x4
+	blo _020B5E38
+	ldrh r2, [r12, #0x2]
+	b _020B5E40
+_020B5E38:
+	cmp r0, lr
+	bls _020B5DF4
+_020B5E40:
+	mov r0, r2
+	add sp, sp, #0x4
+	ldmia sp!, {pc}
+	.balign 4
+_020B5E4C: .word 0x0000FFFF
+	arm_func_end GetGlyphIndex