summaryrefslogtreecommitdiff
path: root/ROMs
diff options
context:
space:
mode:
Diffstat (limited to 'ROMs')
-rw-r--r--ROMs/hello_c.asm220
-rw-r--r--ROMs/hello_c.c54
-rw-r--r--ROMs/hello_c.q1bin55 -> 2842 bytes
-rw-r--r--ROMs/hid.asm117
-rw-r--r--ROMs/hid.c34
-rw-r--r--ROMs/hid.q1bin0 -> 417 bytes
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
Binary files differ
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
Binary files differ
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-31 18:09:46 +0000