Begin reimplementing framebuffer mode list storage and VideoRep funtionality.

src/Kernel/KStart16.ZC

@@ -64,6 +64,8 @@ SYS_BOOT_STACK::	DU32	BOOT_RAM_LIMIT;
 
 SYS_IS_UEFI_BOOTED::    DU8    0;
 
+//SYS_FRAMEBUFFER_LIST::	DU8	sizeof(CVideoInfo) * VBE_MODES_NUM	DUP(0);
+
 #assert $$ - SYS_KERNEL == sizeof(CKernel) - sizeof(CZXE)
 
 REQUESTED_SCREEN_WIDTH:		DU16	1024;
@@ -74,6 +76,8 @@ VBE_INFO:			DU8 	sizeof(CVBEInfo)	DUP(0);
 VBE_FINAL_MODE_NUM:	DU16	0; // gets set to final result mode number
 VBE_STD_MODE_NUM:	DU16	0; // gets set to mode number for standard 1024x768
 
+SYS_FRAMEBUFFER_LIST::	DU8	sizeof(CVideoInfo) * VBE_MODES_NUM	DUP(0);
+
 //************************************
 CORE0_16BIT_INIT::
 //EAX is $LK,"SYS_BOOT_SRC",A="FF:::/Kernel/KStart16.ZC,[SYS_BOOT_SRC]"$. (Value passed from boot block, $LK,"BootHD",A="FF:::/System/Boot/BootHD.ZC,BOOT_SRC_HARDDRIVE"$, $LK,"BootDVD",A="FF:::/System/Boot/BootDVD.ZC,BOOT_SRC_DVD"$, & $LK,"BootRAM",A="FF:::/System/Boot/BootRAM.ZC,BOOT_SRC_RAM"$.)
@@ -119,6 +123,7 @@ GET_IP: POP 	BX
 /*Loop variables:
  DI <- Temporary storage for mode information
  CX <- Mode number
+ DX <- 'mode' array
  GS <- Segment for video modes list
  SI <- Offset for video modes list
 */
@@ -126,6 +131,7 @@ GET_IP: POP 	BX
 		MOV		AX, VBE_INFO
 		MOV		SI, CVBEInfo.video_modes[AX]
 		MOV		GS, CVBEInfo.video_modes+2[AX]
+		MOV		DX, SYS_FRAMEBUFFER_LIST
 		MOV		DI, VBE_TEMP_MODE
 
 @@15: //Loop through all the mode numbers
@@ -169,6 +175,12 @@ GET_IP: POP 	BX
 @@18:	MOV 	BX, CVBEMode.height[DI]
 @@20: 	MOV		AX, CVBEMode.width[DI]
 
+// Copy info into DX SYS_FRAMEBUFFER_LIST
+
+		MOV		CVideoInfo.height[DX], BX
+		MOV		CVideoInfo.width[DX], AX
+		ADD		DX, sizeof(CVideoInfo) // next array element
+
 //Check if width and height match standard 1024x768
 //If they match, set VBE_STD_MODE_NUM to this mode num
 		CMP		AX, 1024

src/Kernel/KernelA.HH

@@ -536,6 +536,12 @@ class CVBEMode
 };
 #assert sizeof(CVBEMode) == 256
 
+class CVideoInfo
+{
+	U16 width;
+	U16 height;
+};
+
 #help_index "Boot"
 class CKernel
 {//Must match $LK,"OSStartUp",A="FF:::/Kernel/KStart16.ZC,MEM_BOOT_BASE"$
@@ -565,6 +571,7 @@ class CKernel
 	U64				sys_disk_uuid[2];
 	U32				sys_boot_stack;
 	Bool			sys_is_uefi_booted;
+//	CVideoInfo		sys_framebuffer_list[VBE_MODES_NUM];
 };
 
 //Run-Levels

src/Kernel/KernelB.HH

@@ -250,6 +250,8 @@ public _extern SYS_FRAMEBUFFER_HEIGHT U64	sys_framebuffer_height;
 public _extern SYS_FRAMEBUFFER_PITCH	U64	sys_framebuffer_pitch;
 public _extern SYS_FRAMEBUFFER_BPP		U8	sys_framebuffer_bpp;
 
+_extern SYS_FRAMEBUFFER_LIST CVideoInfo sys_framebuffer_list[VBE_MODES_NUM];
+
 #help_index "Processor/SMBIOS"
 public _extern SYS_SMBIOS_ENTRY U8	*sys_smbios_entry;
 

src/System/Utils/VideoRep.ZC

@@ -1,8 +1,52 @@
-public U0 VideoRep()
-{ //Report screen information.
+
+public I64 VideoRep()
+{ // List available screen resolutions. 
+
 	"\n";
-	"Resolution:          $$RED$$%d x %d$$FG$$ \n", sys_framebuffer_width, sys_framebuffer_height;
-	"Pitch:               $$RED$$%d$$FG$$ \n", sys_framebuffer_pitch;
-	"Bits-per-pixel:      $$RED$$%d$$FG$$ \n", sys_framebuffer_bpp;
-	"Framebuffer pointer: $$RED$$0x%8X$$FG$$ \n\n", sys_framebuffer_addr;
+	"$$PURPLE$$Framebuffer pointer: $$BLACK$$0x%8X$$FG$$ \n", sys_framebuffer_addr;
+
+	I64 i, count = 0;
+	CVideoInfo *info;
+
+	"\nAll modes shown are 32-bit color.\n\n";
+
+	if (!IsRaw)
+		"$$LTCYAN$$ #    W  x   H$$FG$$\n\n";
+	else
+		"#\t\t  W  x   H\n\n";
+
+	for (i = 0; i < VBE_MODES_NUM; i++)
+	{
+		info = &sys_framebuffer_list[i];
+		if (info->height)
+		{
+
+			if (!IsRaw)
+				"$$PURPLE$$ $$BT+X,\"%d\",LM=\"%d\\n\"$$$$FG$$$$LM,4$$", i+1, i+1;
+			else
+				" [%d]\t", i+1;
+
+			if (info->width == sys_framebuffer_width && info->height == sys_framebuffer_height)
+			{
+				if (!IsRaw)
+					"$$RED$$%4d x %4d (Current resolution)$$FG$$$$LM,0$$", info->width, info->height;
+				else
+					"%4d x %4d (Current resolution)", info->width, info->height;
+			}
+			else
+			{
+				if (!IsRaw)
+					"$$BLACK$$%4d x %4d $$FG$$$$LM,0$$", info->width, info->height;
+				else
+					"%4d x %4d ", info->width, info->height;
+			}
+
+			"\n\n\n";
+			count++;
+		}
+	}
+
+	return count;
 }
+
+VideoRep;

zealbooter/zealbooter.c

@@ -21,7 +21,7 @@ static volatile struct limine_memmap_request memmap_request = {
 
 static volatile struct limine_framebuffer_request framebuffer_request = {
     .id = LIMINE_FRAMEBUFFER_REQUEST,
-    .revision = 0
+    .revision = 1
 };
 
 static volatile struct limine_smbios_request smbios_request = {