fixed bugs and revolutionized the universe

6 files changed, 409 insertions, 16 deletions

diff --git a/ROMs/hello_c.asm b/ROMs/hello_c.asm
index bdb32ff..da648b6 100644
--- a/ROMs/hello_c.asm
+++ b/ROMs/hello_c.asm
@@ -1,21 +1,215 @@
     jmp _main
-_main:                        ; int main()
-    mov 1, [$51FF]            ; int x = 1
-    mov 0, [$5201]            ; int i = 0
+    .include "ROMs/font.bin"
+_drawChar_int_ch__int_x__int_y__int_color:
+    pop V0
+    pop [$71FF]
+    pop [$7201]
+    pop [$7203]
+    pop [$7205]
+    push V0
+    ; adjust for jmp instruction
+    push $1FFF
+    mov 2, V1
+    pop V0
+    add V0, V1
+    mov AX, [$7207]
+    push [$71FF]
+    mov 8, V1
+    pop V0
+    mul V0, V1
+    mov AX, [$7209]
+    mov 0, [$720B]
 _body_1:
-    push [$5201]              ; left operand
-    mov 10, V1                ; right operand
-    pop V0                    ; get left operand back
-    lt V0, V1                 ; compute less than check
+    push [$720B]
+    mov 8, V1
+    pop V0
+    lt V0, V1
+    not LX
+    bz
+    jmp _end_2
+    push [$7207]
+    push [$7209]
+    mov [$720B], V1
+    pop V0
+    add V0, V1
+    mov AX, V1
+    pop V0
+    mul V1, 1
+    add AX, V0
+    mov AX, V0
+    mov [V0], [$720D]
+    mov 0, [$720F]
+_body_3:
+    push [$720F]
+    mov 8, V1
+    pop V0
+    lt V0, V1
     not LX
     bz
-    jmp _end_2                ; if for condition fails, jump to end
-    mult [$51FF], 2           ; compute multiplication
-    mov AX, [$51FF]           ; store back into left param
-    push [$5201]              ; i++
-    inc [$5201]
+    jmp _end_4
+    push [$720D]
+    push 7
+    mov [$720F], V1
+    pop V0
+    sub V0, V1
+    mov AX, V1
     pop V0
+    shr V0, V1
+    push DX
+    mov 1, V1
+    pop V0
+    and V0, V1
+    mov DX, [$7211]
+    bz [$7211]
+    jmp _then_5
+    mov [$7205], V0
+    jmp _end_6
+_then_5:
+    mov 0, V0
+_end_6:
+    mov V0, [$7213]
+    push [$7213]
+    push [$7203]
+    mov [$720B], V1
+    pop V0
+    add V0, V1
+    push AX
+    push [$7201]
+    mov [$720F], V1
+    pop V0
+    add V0, V1
+    push AX
+    call _setPixel_int_x__int_y__int_c
+    push [$720F]
+    inc [$720F]
+    pop V0
+    jmp _body_3
+_end_4:
+    push [$720B]
+    inc [$720B]
+    pop V0
+    jmp _body_1
 _end_2:
-    mov 0, V0                 ; fallback return 0
+    mov 0, V0
+    ret
+
+_setPixel_int_x__int_y__int_c:
+    pop V0
+    pop [$7215]
+    pop [$7217]
+    pop [$7219]
+    push V0
+    mov $402F, [$721B]
+    push [$7217]
+    mov 128, V1
+    pop V0
+    mul V0, V1
+    push AX
+    mov [$7215], V1
+    pop V0
+    add V0, V1
+    mov AX, [$721D]
+    push [$721B]
+    mov [$721D], V1
+    pop V0
+    mul V1, 1
+    add AX, V0
+    mov AX, V0
+    movb [$7219], [V0]
+    mov 0, V0
+    ret
+
+_clear_int_c:
+    pop V0
+    pop [$721F]
+    push V0
+    mov $402F, [$7221]
+    push 64
+    mov 128, V1
+    pop V0
+    mul V0, V1
+    mov AX, [$7223]
+    mov 0, [$7225]
+_body_7:
+    push [$7225]
+    mov [$7223], V1
+    pop V0
+    lt V0, V1
+    not LX
+    bz
+    jmp _end_8
+    push [$7221]
+    mov [$7225], V1
+    pop V0
+    mul V1, 1
+    add AX, V0
+    mov AX, V0
+    movb [$721F], [V0]
+    push [$7225]
+    inc [$7225]
+    pop V0
+    jmp _body_7
+_end_8:
+    mov 0, V0
+    ret
+
+_main:
+    mov 1, [$7227]
+    mov 72, [$722B]
+    mov 69, [$722D]
+    mov 76, [$722F]
+    mov 76, [$7231]
+    mov 79, [$7233]
+    mov 32, [$7235]
+    mov 87, [$7237]
+    mov 79, [$7239]
+    mov 82, [$723B]
+    mov 76, [$723D]
+    mov 68, [$723F]
+    mov 33, [$7241]
+    mov $722B, [$7229]
+    mov 12, [$7243]
+    push 0
+    call _clear_int_c
+_body_9:
+    not 1
+    bz
+    jmp _end_10
+    mov 0, [$7245]
+_body_11:
+    push [$7245]
+    mov [$7243], V1
+    pop V0
+    lt V0, V1
+    not LX
+    bz
+    jmp _end_12
+    push [$7229]
+    mov [$7245], V1
+    pop V0
+    mul V1, 2
+    add AX, V0
+    mov AX, V0
+    mov [V0], [$7247]
+    push [$7227]
+    push 0
+    push [$7245]
+    mov 8, V1
+    pop V0
+    mul V0, V1
+    push AX
+    push [$7247]
+    call _drawChar_int_ch__int_x__int_y__int_color
+    push [$7245]
+    inc [$7245]
+    pop V0
+    jmp _body_11
+_end_12:
+    push [$7227]
+    inc [$7227]
+    pop V0
+    jmp _body_9
+_end_10:
+    mov 0, V0
     ret
 
diff --git a/ROMs/hello_c.c b/ROMs/hello_c.c
index f670952..9cf7a96 100644
--- a/ROMs/hello_c.c
+++ b/ROMs/hello_c.c
@@ -1,7 +1,55 @@
+#include "ROMs/font.bin"
+
+int drawChar(int ch, int x, int y, int color)
+{
+    // adjust for jmp instruction
+    char* fontStart = 0x1FFF + 2;
+    int charStart = ch * 8;
+
+    for (int yOff = 0; yOff < 8; yOff++)
+    {
+        int row = fontStart[charStart + yOff];
+
+        for (int xOff = 0; xOff < 8; xOff++)
+        {
+            int bit = (row >> (7 - xOff)) & 1;
+            int pix = bit ? 0 : color;
+            setPixel(x + xOff, y + yOff, pix);
+        }
+    }
+}
+
+int setPixel(int x, int y, int c)
+{
+    char* screenStart = 0x402F;
+    int i = (y * 128) + x;
+    screenStart[i] = c;
+}
+
+int clear(int c)
+{
+    char* screenStart = 0x402F;
+    char screenSize = 64 * 128;
+    for (int i = 0; i < screenSize; i++)
+    {
+        screenStart[i] = c;
+    }
+}
+
 int main() 
 {
-    int x = 1;
-    for (int i = 0; i < 10; i++) {
-        x *= 2;
+    int color = 1;
+    int* text = "HELLO WORLD!";
+    int len = 12;
+
+    clear(0);
+    while (1)
+    {
+        for (int i = 0; i < len; i++)
+        {
+            int ch = text[i];
+            drawChar(ch, i * 8, 0, color);
+        }
+        color++;
     }
 }
\ No newline at end of file
diff --git a/ROMs/hello_c.q1 b/ROMs/hello_c.q1
index 1af8388..5e3248c 100644
--- a/ROMs/hello_c.q1
+++ b/ROMs/hello_c.q1
diff --git a/ROMs/hid.asm b/ROMs/hid.asm
new file mode 100644
index 0000000..0e3600f
--- /dev/null
+++ b/ROMs/hid.asm
@@ -0,0 +1,117 @@
+    jmp _main
+_setPixel_int_x__int_y__int_c:
+    pop V0
+    pop [$71FF]
+    pop [$7201]
+    pop [$7203]
+    push V0
+    mov $402F, [$7205]
+    push [$7201]
+    mov 128, V1
+    pop V0
+    mul V0, V1
+    push AX
+    mov [$71FF], V1
+    pop V0
+    add V0, V1
+    mov AX, [$7207]
+    push [$7205]
+    mov [$7207], V1
+    pop V0
+    mul V1, 1
+    add AX, V0
+    mov AX, V0
+    movb [$7203], [V0]
+    mov 0, V0
+    ret
+
+_setPixelIndex_int_i__int_c:
+    pop V0
+    pop [$7209]
+    pop [$720B]
+    push V0
+    mov $402F, [$720D]
+    push [$720D]
+    mov [$7209], V1
+    pop V0
+    mul V1, 1
+    add AX, V0
+    mov AX, V0
+    movb [$720B], [V0]
+    mov 0, V0
+    ret
+
+_clear_int_c:
+    pop V0
+    pop [$720F]
+    push V0
+    mov $402F, [$7211]
+    push 64
+    mov 128, V1
+    pop V0
+    mul V0, V1
+    mov AX, [$7213]
+    mov 0, [$7215]
+_body_1:
+    push [$7215]
+    mov [$7213], V1
+    pop V0
+    lt V0, V1
+    not LX
+    bz
+    jmp _end_2
+    push [$7211]
+    mov [$7215], V1
+    pop V0
+    mul V1, 1
+    add AX, V0
+    mov AX, V0
+    movb [$720F], [V0]
+    push [$7215]
+    inc [$7215]
+    pop V0
+    jmp _body_1
+_end_2:
+    mov 0, V0
+    ret
+
+_main:
+_body_3:
+    not 1
+    bz
+    jmp _end_4
+    mov $602F, [$7217]
+    push [$7217]
+    mov 0, V1
+    pop V0
+    mul V1, 2
+    add AX, V0
+    mov AX, V0
+    mov [V0], [$7219]
+    push [$7217]
+    mov 1, V1
+    pop V0
+    mul V1, 2
+    add AX, V0
+    mov AX, V0
+    mov [V0], [$721B]
+    push [$721B]
+    push 1
+    mov 1, V1
+    pop V0
+    cmp V0, V1
+    mov LX, V1
+    pop V0
+    and V0, V1
+    not DX
+    bz
+    jmp _end_5
+    push 1
+    push [$7219]
+    call _setPixelIndex_int_i__int_c
+_end_5:
+    jmp _body_3
+_end_4:
+    mov 0, V0
+    ret
+
diff --git a/ROMs/hid.c b/ROMs/hid.c
new file mode 100644
index 0000000..615808a
--- /dev/null
+++ b/ROMs/hid.c
@@ -0,0 +1,34 @@
+int setPixel(int x, int y, int c)
+{
+    char* screenStart = 0x402F;
+    int i = (y * 128) + x;
+    screenStart[i] = c;
+}
+
+int setPixelIndex(int i, int c)
+{
+    char* screenStart = 0x402F;
+    screenStart[i] = c;
+}
+
+int clear(int c)
+{
+    char* screenStart = 0x402F;
+    char screenSize = 64 * 128;
+    for (int i = 0; i < screenSize; i++)
+    {
+        screenStart[i] = c;
+    }
+}
+
+int main() 
+{
+    while (1)
+    {
+        int* hid = 0x602F;
+        int mouseIndex = hid[0];
+        int mouseState = hid[1];
+        if (mouseState & 1 == 1)
+        setPixelIndex(mouseIndex, 1);
+    }
+}
\ No newline at end of file
diff --git a/ROMs/hid.q1 b/ROMs/hid.q1
new file mode 100644
index 0000000..e188e33
--- /dev/null
+++ b/ROMs/hid.q1