Commit d92d147b6f67afd8c6b377afab400a36500dbecf
Commits

[COMMIT BEGIN]

commit d92d147b6f67afd8c6b377afab400a36500dbecf
Author: 0x4248 <[email protected]>
Date:   Wed Feb 25 23:50:48 2026 +0000

    IBM-PC: Add photon test

diff --git a/systems/IBM-PC/PhotonX/vga.c b/systems/IBM-PC/PhotonX/vga.c
new file mode 100644
index 0000000..0044c64
--- /dev/null
+++ b/systems/IBM-PC/PhotonX/vga.c
@@ -0,0 +1,212 @@
+#include <dos.h>
+#include <conio.h>
+#include <stdio.h>
+#define VGA_SEG 0xA000
+
+unsigned char far *vga = (unsigned char far *)MK_FP(VGA_SEG, 0);
+
+/* Prototypes */
+void set_mode(unsigned char mode);
+void set_palette(unsigned char index, unsigned char r, unsigned char g, unsigned char b);
+void clear_screen(unsigned char color);
+void put_pixel(int x, int y, unsigned char color);
+void wait_key(void);
+
+void red_lines(void);
+void green_lines(void);
+void blue_lines(void);
+void grid_with_corners(void);
+void full_color_test(void);
+
+/* BIOS video mode */
+void set_mode(unsigned char mode)
+{
+    union REGS regs;
+    regs.h.ah = 0x00;
+    regs.h.al = mode;
+    int86(0x10, &regs, &regs);
+}
+
+void beep(int freq, int ms)
+{
+	sound(freq);
+	delay(ms);
+	nosound();
+}
+
+/* VGA DAC */
+void set_palette(unsigned char index, unsigned char r, unsigned char g, unsigned char b)
+{
+    outp(0x3C8, index);
+    outp(0x3C9, r);
+    outp(0x3C9, g);
+    outp(0x3C9, b);
+}
+
+void clear_screen(unsigned char color)
+{
+    int i;
+    for (i = 0; i < 320 * 200; i++)
+        vga[i] = color;
+}
+
+void put_pixel(int x, int y, unsigned char color)
+{
+    vga[y * 320 + x] = color;
+}
+
+void wait_key(void)
+{
+    getch();
+    clear_screen(0);
+}
+
+void red_lines(void)
+{
+    int i, x;
+
+    for (i = 0; i < 64; i++)
+        set_palette(i, i, 0, 0);
+
+    for (x = 0; x < 320; x++)
+        for (i = 0; i < 200; i++)
+            put_pixel(x, i, x % 64);
+
+    wait_key();
+}
+
+void green_lines(void)
+{
+    int i, x;
+
+    for (i = 0; i < 64; i++)
+        set_palette(i, 0, i, 0);
+
+    for (x = 0; x < 320; x++)
+        for (i = 0; i < 200; i++)
+            put_pixel(x, i, x % 64);
+
+    wait_key();
+}
+
+void blue_lines(void)
+{
+    int i, x;
+
+    for (i = 0; i < 64; i++)
+        set_palette(i, 0, 0, i);
+
+    for (x = 0; x < 320; x++)
+        for (i = 0; i < 200; i++)
+            put_pixel(x, i, x % 64);
+
+    wait_key();
+}
+
+void grid_with_corners(void)
+{
+    int x, y;
+
+    for (x = 0; x < 320; x++)
+	for (y = 0; y < 200; y++)
+	    if (x % 10 == 0 || y % 10 == 0)
+                put_pixel(x, y, 63); /* White */
+            else
+                put_pixel(x, y, 10); /* Light blue */
+    wait_key();
+}
+
+void full_color_test(void)
+{
+    int x, y, i;
+    for (x = 0; x < 320; x++)
+	for (y = 0; y < 200; y++)
+		put_pixel(x,y, 0);
+
+    /* Build full rainbow palette */
+    for (i = 0; i < 64; i++)
+        set_palette(i, i, 0, 0);
+
+    for (i = 0; i < 64; i++)
+        set_palette(i + 64, 63, i, 0);
+
+    for (i = 0; i < 64; i++)
+        set_palette(i + 128, 63 - i, 63, i);
+
+    for (i = 0; i < 64; i++)
+        set_palette(i + 192, 0, 63 - i, 63);
+
+    for (x = 0; x < 320; x++)
+        for (y = 0; y < 200; y++)
+            put_pixel(x, y, x % 256);
+
+    wait_key();
+}
+
+
+
+/* ================= MAIN ================= */
+
+int main()
+{
+	beep(700,100);
+    cprintf("\r\n");
+    cprintf("    `7MMF'     \r\n");
+	beep(750,100);
+	cprintf(" ,mmmmMMmmmm.  \r\n");
+	beep(800,100);
+	cprintf("6MP   MM   YMb \r\n");
+	beep(850,100);
+	cprintf("8M    MM    M8 \r\n");
+	beep(900,100);
+	cprintf("YMb   MM   dM9 \r\n");
+	beep(950,100);
+	cprintf(" `YmmmMMmmmP'  \r\n");
+	beep(1000,100);
+	cprintf("    .JMML.     \r\n");
+	cprintf("=====================================\r\n");
+    cprintf(" PhotonX VGA Test\r\n");
+    cprintf(" Copyright (C) 2026 4248 Systems\r\n");
+    cprintf("=====================================\r\n");
+	beep(1500,200);
+	cprintf(" Press N to cancel, any other key to start...\r\n");
+    if (getch() == 'N' || getch() == 'n')
+    {
+		beep(1000,200);
+		beep(800,200);
+		beep(600,200);
+		beep(400,200);
+		beep(200,200);
+		cprintf(" Test cancelled.\r\n");
+        return 0;
+    }
+
+    set_mode(0x13);
+	beep(500,400);
+    red_lines();
+	beep(600,400);
+    green_lines();
+	beep(700,400);
+    blue_lines();
+	beep(800,400);
+    grid_with_corners();
+	beep(900,400);
+    full_color_test();
+	beep(1000,1000);
+	delay(200);
+	beep(700,200);
+	beep(800,200);
+	beep(900,200);
+	beep(1000,200);
+	beep(800,100);
+	beep(700,100);
+	beep(600,100);
+	beep(500,100);
+	beep(400,100);
+	beep(300,100);
+	beep(200,100);
+	beep(100,100);
+	set_mode(0x03);
+
+    return 0;
+}
\ No newline at end of file

[COMMIT END]
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