X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=asmyt.c;h=4427c78941f202f9ca31d88c2461baf9528863bf;hb=bb9fe2bc82f2f7126bc7a9fde2b70bc67d17a8a9;hp=d906446b629b1536e30397c13a8fa174ee44f384;hpb=0cb0d7318ce5253197b6554553340ab1b2286417;p=plz.git

diff --git a/asmyt.c b/asmyt.c
index d906446..4427c78 100755
--- a/asmyt.c
+++ b/asmyt.c
@@ -1,17 +1,146 @@
 #include "asmyt.h"
-void set_plzstart(word start)
+// __asm{
+// PUBLIC C plzline, C setplzparas, C psini, C lsini4, C lsini16
+//
+// LABEL psini BYTE
+// INCLUDE 'psini.inc'
+// ;       db      16384 dup(?)
+//
+// LABEL lsini4 WORD
+// INCLUDE 'lsini4.inc'
+// ;       db      16384 dup(?)
+//
+// LABEL lsini16 WORD
+// INCLUDE 'lsini16.inc'
+// ;       db      16384 dup(?)
+// }
+
+word set_plzstart(word start)
 {
 __asm{
 	mov	dx, 3d4h
 	mov	al, 18h		; linecompare
-	mov	ah, [Byte start]
+	mov	ah, [Byte PTR start]
 	out	dx, ax
 	mov	al, 07h
-	mov	ah, [Byte start+1]
-	shl	ah, 4d
+	mov	ah, [Byte PTR start+1]
+	shl	ah, 1d
+	shl	ah, 1d
+	shl	ah, 1d
+	shl	ah, 1d
 	and	ah, 10h
 	or	ah, 0fh
 	out	dx, ax			; 8th bit
 }
 	return start;
 }
+/*
+int plzline(int y, int vseg)
+{
+	// vseg represented a segment, so multiply by sixteen (shift left by 4)
+	// to convert into an offset.
+	var nVgaYOffset = vseg * 16;
+
+	var cccTable =
+	[
+		3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12,19,18,17,16,23,22,21,20,27,26,25,24,31,30,29,28,35,34,33,32,39,38,37,36,43,42,41,40,47,46,45,44,51,50,49,48,55,54,53,52,59,58,57,56,63,62,61,60,67,66,65,64,71,70,69,68,75,74,73,72,79,78,77,76,83,82,81,80
+	];
+	var nCount = 84;
+
+	var ah = 0;
+	var al = 0;
+	var eax = 0;
+
+	for (var nIndex = 0; nIndex < nCount; nIndex++)
+	{
+		var ccc = cccTable[nIndex];
+
+		if ((ccc & 1) == 1)
+		{
+			var nByteOffset = 0;
+			var bx = 0;
+
+			nByteOffset = (y * 2) + anSelfModifyOffsets_ReadWord((2 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			bx = psini_ReadWord(nByteOffset);
+
+			nByteOffset = bx + anSelfModifyOffsets_ReadWord((1 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			ah = psini_ReadByte(nByteOffset);
+
+			nByteOffset = (y * 2) + anSelfModifyOffsets_ReadWord((4 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			bx = psini_ReadWord(nByteOffset);
+
+			nByteOffset = bx + (y * 2) + anSelfModifyOffsets_ReadWord((3 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			ah += psini_ReadByte(nByteOffset);
+			ah &= 0xFF;
+		}
+		else
+		{
+			var nByteOffset = 0;
+			var bx = 0;
+
+			nByteOffset = (y * 2) + anSelfModifyOffsets_ReadWord((2 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			bx = psini_ReadWord(nByteOffset);
+
+			nByteOffset = bx + anSelfModifyOffsets_ReadWord((1 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			al = psini_ReadByte(nByteOffset);
+
+			nByteOffset = (y * 2) + anSelfModifyOffsets_ReadWord((4 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			bx = psini_ReadWord(nByteOffset);
+
+			nByteOffset = bx + (y * 2) + anSelfModifyOffsets_ReadWord((3 * 84) + ccc);
+			nByteOffset &= 0xFFFF;
+			al += psini_ReadByte(nByteOffset);
+			al &= 0xFF;
+		}
+
+		if ((ccc & 3) == 2)
+		{
+			eax = (ah << 8) | (al << 0);
+			eax <<= 16;
+		}
+
+		if ((ccc & 3) == 0)
+		{
+			eax |= (ah << 8) | (al << 0);
+
+			VGA_WriteDword(nVgaYOffset + ccc, eax);
+		}
+	}
+
+	return 0;
+}
+
+int setplzparas(int c1, int c2, int c3, int c4)
+{
+	var psiniOffset = 0;
+	var lsini16Offset = lsini16_GetOffset();
+	var lsini4Offset = lsini4_GetOffset();
+
+	for (var ccc = 0; ccc < 84; ccc++)
+	{
+		var lc1 = c1 + psiniOffset + (ccc * 8);
+		lc1 &= 0xFFFF;
+		anSelfModifyOffsets_WriteWord((1 * 84) + ccc, lc1);
+
+		var lc2 = (c2 * 2) + lsini16Offset - (ccc * 8) + (80 * 8);
+		lc2 &= 0xFFFF;
+		anSelfModifyOffsets_WriteWord((2 * 84) + ccc, lc2);
+
+		var lc3 = c3 + psiniOffset - (ccc * 4) + (80 * 4);
+		lc3 &= 0xFFFF;
+		anSelfModifyOffsets_WriteWord((3 * 84) + ccc, lc3);
+
+		var lc4 = (c4 * 2) + lsini4Offset + (ccc * 32);
+		lc4 &= 0xFFFF;
+		anSelfModifyOffsets_WriteWord((4 * 84) + ccc, lc4);
+	}
+
+	return 0;
+}*/