7 files changed, 166 insertions, 0 deletions
diff --git a/zap/source/amd64/math/abs.s b/zap/source/amd64/math/abs.s
new file mode 100644
index 0000000..178b5a7
--- /dev/null
+++ b/zap/source/amd64/math/abs.s
@@ -0,0 +1,34 @@
+# Copyright 2022-2023 Gabriel Jensen.
+# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+
+.intel_syntax noprefix
+
+.globl zap_abs8
+.globl zap_abs01
+.globl zap_abs02
+.globl zap_abs04
+
+zap_abs8:
+	mov   al,dil
+	neg   al     # zap_i8 ret = -inv;        // Invert the copy of the input value. This also tests the sign of the value.
+	cmovs ax,di  # if (val < 0x0) ret = val; // If it was positive, just return the unmodified input.
+	ret          # return ret;
+
+zap_abs01:
+	mov   ax,di
+	neg   ax
+	cmovs ax,di
+	ret
+
+zap_abs02:
+	mov   eax,edi
+	neg   eax
+	cmovs eax,edi
+	ret
+
+zap_abs04:
+	mov   rax,rdi
+	neg   rax
+	cmovs rax,rdi
+	ret
diff --git a/zap/source/amd64/mem/cp.s b/zap/source/amd64/mem/cp.s
new file mode 100644
index 0000000..5985f04
--- /dev/null
+++ b/zap/source/amd64/mem/cp.s
@@ -0,0 +1,63 @@
+# Copyright 2022-2023 Gabriel Jensen.
+# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+
+.intel_syntax noprefix
+
+.globl zap_cp
+
+zap_cp:
+	                   # zap_i8 val1;
+	                   # zap_i04 val8;
+	                   # unsigned int256_t val02;
+
+.big02cp:
+	cmp     rdx,0x20
+	jl      .big01cp   # if (num < 0x20u) goto big01cp;
+
+	vmovups ymm0,[rsi] # val01 = *src;
+	vmovups [rdi],ymm0 # *dest = val01;
+
+	add     rsi,0x20   # dest += 0x20u;
+	add     rdi,0x20   # src += 0x20u;
+	sub     rdx,0x20   # num -= 0x20u;
+	jmp     .big02cp   # goto big02cp;
+
+.big01cp:
+	cmp     rdx,0x10
+	jl      .wrdcp     # if (num < 0x10u) goto wrdcp;
+
+	movdqu  xmm0,[rsi] # val01 = *src;
+	movdqu  [rdi],xmm0 # *dest = val01;
+
+	add     rsi,0x10   # dest += 0x10u;
+	add     rdi,0x10   # src += 0x10u;
+	sub     rdx,0x10   # num -= 0x10u;
+	jmp     .big01cp   # goto big01cp;
+
+.wrdcp:
+	cmp     rdx,0x8
+	jl      .bytecp    # if (num < 0x8u) goto bytecp;
+
+	mov     rcx,[rsi]  # val8 = *src;
+	mov     [rdi],rcx  # *dest = val8;
+
+	add     rdi,0x8    # dest += 0x8u;
+	add     rsi,0x8    # src += 0x8u;
+	sub     rdx,0x8    # num -= 0x8u;
+	jmp     .wrdcp     # goto wrdcp
+
+.bytecp:
+	test    rdx,rdx    # if (rem == 0x0)
+	jz      .done      # goto done
+
+	mov     cl,[rsi]   # val1 = *src;
+	mov     [rsi],cl   # *dest = val1;
+
+	inc      rdi       # ++dest;
+	inc      rsi       # ++src;
+	dec      rdx       # --rem;
+	jmp      .bytecp   # goto bytecp;
+
+.done:
+	ret                # return
diff --git a/zap/source/any/math/abs.c b/zap/source/any/mth/abs.c
index d12b6a6..d12b6a6 100644
--- a/zap/source/any/math/abs.c
+++ b/zap/source/any/mth/abs.c
diff --git a/zap/source/any/math/div0.c b/zap/source/any/mth/div0.c
index 87fcfa0..87fcfa0 100644
--- a/zap/source/any/math/div0.c
+++ b/zap/source/any/mth/div0.c
diff --git a/zap/source/any/math/divmod.c b/zap/source/any/mth/divmod.c
index 4214651..4214651 100644
--- a/zap/source/any/math/divmod.c
+++ b/zap/source/any/mth/divmod.c
diff --git a/zap/source/arm64/math/abs.s b/zap/source/arm64/math/abs.s
new file mode 100644
index 0000000..218d4d8
--- /dev/null
+++ b/zap/source/arm64/math/abs.s
@@ -0,0 +1,29 @@
+// Copyright 2022-2023 Gabriel Jensen.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtasrc one at <https://mozilla.org/MPL/2.0>.
+
+.globl zap_abs8
+
+.func
+
+zap_abs8:
+	cmp  w0,0x0
+	cneg w0,w0,gt // if (val < 0x0) val = -val;
+	ret           // return val;
+	
+zap_abs01:
+	cmp  w0,0x0
+	cneg w0,w0,gt // if (val < 0x0) val = -val;
+	ret           // return val;
+
+zap_abs02:
+	cmp  w0,0x0
+	cneg w0,w0,gt // if (val < 0x0) val = -val;
+	ret           // return val;
+
+zap_abs04:
+	cmp  x0,0x0
+	cneg x0,x0,gt // if (val < 0x0) val = -val;
+	ret           // return val;
+
+.endfunc
diff --git a/zap/source/arm64/mem/cp.s b/zap/source/arm64/mem/cp.s
new file mode 100644
index 0000000..b581487
--- /dev/null
+++ b/zap/source/arm64/mem/cp.s
@@ -0,0 +1,40 @@
+// Copyright 2022-2023 Gabriel Jensen.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtasrc one at <https://mozilla.org/MPL/2.0>.
+
+.globl zap_cp
+
+.func
+
+zap_cp:
+	               // zap_i8 tmp1;
+	               // zap_i04 tmp4;
+
+.wrdcp:            // wrdcp:;
+	cmp  x2,0x8
+	blt  .bytecp   // if (num < 0x8u) goto bytecp;
+
+	ldr  x3,[x1]   // tmp8 = *(zap_i02 *)src;
+	str  x3,[x0]   // *(zap_i02 *)dest = tmp8;
+
+	add  x0,x0,0x8 // dest += 0x8u;
+	add  x1,x1,0x8 // src += 0x8u;
+	sub  x2,x2,0x8 // num -= 0x4u;
+	b    .wrdcp    // goto wrdcp;
+
+.bytecp:           // bytecp:;
+	cmp  x2,0x1
+	blt  .done     // if (num == 0x1u) goto done;
+
+	ldrb w3,[x1]   // tmp1 = *(zap_i8 *)src;
+	strb w3,[x0]   // *(zap_i8 *)dest = tmp1;
+
+	add  x0,x0,0x1 // ++dest;
+	add  x1,x1,0x1 // ++src;
+	sub  x2,x2,0x1 // --num;
+	b    .bytecp   // goto bytecp;
+
+.done:             // done:;
+	ret            // return;
+	
+.endfunc