jmp _main _hid_getKeyState_int_scanCode:; int hid_getKeyState(int scanCode) pop V0 ; preserve function return address pop [$71FF] ; param int scanCode push V0 ; restore function return address mov $6033, [$7201] ; int sk_table = $6033 push [$71FF] ; left operand mov 8, V1 ; right operand pop V0 ; get left operand back div V0, V1 ; compute division mov AX, [$7203] ; int index = AX push [$71FF] ; left operand mov 8, V1 ; right operand pop V0 ; get left operand back mod V0, V1 ; compute modulus mov AX, [$7205] ; int bit = AX push [$7201] ; store index obj push [$7203] ; left operand mov 1, V1 ; right operand pop V0 ; get left operand back sub V0, V1 ; compute subtraction mov AX, V1 ; store indexer pop V0 ; restore index obj mul V1, 1 ; multiply indexer by 1 add AX, V0 ; add indexer and index obj mov AX, V0 ; move to general purpose register mov [V0], [$7207] ; int val = [V0] push [$7207] ; left operand push 1 ; left operand mov [$7205], V1 ; right operand pop V0 ; get left operand back shl V0, V1 ; compute left shift mov DX, V1 ; right operand pop V0 ; get left operand back and V0, V1 ; compute and push DX ; left operand mov 0, V1 ; right operand pop V0 ; get left operand back cmp V0, V1 ; compute inequality check not mov LX, V0 ; return value ret mov 0, V0 ; fallback return 0 ret _hid_getPressedKey: ; int hid_getPressedKey() mov 0, [$7209] ; int sk = 0 _body_1: push [$7209] ; left operand mov 256, V1 ; right operand pop V0 ; get left operand back lt V0, V1 ; compute less than check not LX bz jmp _end_2 ; if for condition fails, jump to end push [$7209] ; arg int scanCode call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) cmp V0, 0 ; logical and not bz jmp _clause_3 mov 0, V0 ; first operand failed, store 0 and skip second jmp _end_4 _clause_3: push [$7209] ; left operand mov 160, V1 ; right operand pop V0 ; get left operand back cmp V0, V1 ; compute inequality check not cmp LX, 0 ; compare result from second operand to 0 not mov LX, V0 ; store second operand result _end_4: not V0 bz ; check if condition jmp _end_5 ; if succeeds, continue, else jump to end mov [$7209], V0 ; return value ret _end_5: push [$7209] ; i++ inc [$7209] pop V0 jmp _body_1 _end_2: mov 0, V0 ; return value ret mov 0, V0 ; fallback return 0 ret _hid_waitForPressedKey: ; int hid_waitForPressedKey() _body_6: not 1 bz jmp _end_7 ; if while condition fails, jump to end call _hid_getPressedKey ; int hid_getPressedKey() mov V0, [$720B] ; int sk = V0 push [$720B] ; left operand mov 0, V1 ; right operand pop V0 ; get left operand back cmp V0, V1 ; compute inequality check not not LX bz ; check if condition jmp _end_8 ; if succeeds, continue, else jump to end mov [$720B], V0 ; return value ret _end_8: jmp _body_6 _end_7: mov 0, V0 ; fallback return 0 ret _hid_getMouseIndex: ; int hid_getMouseIndex() mov $602F, V0 ; move pointer into register for dereference mov [V0], V0 ; return value ret mov 0, V0 ; fallback return 0 ret _hid_getMouseState: ; int hid_getMouseState() push $602F ; left operand mov 2, V1 ; right operand pop V0 ; get left operand back add V0, V1 ; compute addition mov AX, V0 ; move pointer into register for dereference mov [V0], V0 ; return value ret mov 0, V0 ; fallback return 0 ret _screen_setPixel_int_x__int_y__int_c:; int screen_setPixel(int x, int y, int c) pop V0 ; preserve function return address pop [$720D] ; param int x pop [$720F] ; param int y pop [$7211] ; param int c push V0 ; restore function return address mov $402F, [$7213] ; int screenStart = $402F push [$720F] ; left operand mov 128, V1 ; right operand pop V0 ; get left operand back mul V0, V1 ; compute multiplication push AX ; left operand mov [$720D], V1 ; right operand pop V0 ; get left operand back add V0, V1 ; compute addition mov AX, [$7215] ; int i = AX push [$7213] ; store index obj mov [$7215], V1 ; store indexer pop V0 ; restore index obj mul V1, 1 ; multiply indexer by 1 add AX, V0 ; add indexer and index obj mov AX, V0 ; move to general purpose register movb [$7211], [V0] ; [V0] = [$7211] mov 0, V0 ; fallback return 0 ret _screen_setPixel_int_i__int_c:; int screen_setPixel(int i, int c) pop V0 ; preserve function return address pop [$7217] ; param int i pop [$7219] ; param int c push V0 ; restore function return address mov $402F, [$721B] ; int screenStart = $402F push [$721B] ; store index obj mov [$7217], V1 ; store indexer pop V0 ; restore index obj mul V1, 1 ; multiply indexer by 1 add AX, V0 ; add indexer and index obj mov AX, V0 ; move to general purpose register movb [$7219], [V0] ; [V0] = [$7219] mov 0, V0 ; fallback return 0 ret _screen_clear_int_c: ; int screen_clear(int c) pop V0 ; preserve function return address pop [$721D] ; param int c push V0 ; restore function return address mov $402F, [$721F] ; int screenStart = $402F mov 0, [$7221] ; int i = 0 _body_9: push [$7221] ; left operand push 128 ; left operand mov 64, V1 ; right operand pop V0 ; get left operand back mul V0, V1 ; compute multiplication mov AX, V1 ; right operand pop V0 ; get left operand back lt V0, V1 ; compute less than check not LX bz jmp _end_10 ; if for condition fails, jump to end push [$721F] ; store index obj mov [$7221], V1 ; store indexer pop V0 ; restore index obj mul V1, 1 ; multiply indexer by 1 add AX, V0 ; add indexer and index obj mov AX, V0 ; move to general purpose register movb [$721D], [V0] ; [V0] = [$721D] push [$7221] ; i++ inc [$7221] pop V0 jmp _body_9 _end_10: mov 0, V0 ; fallback return 0 ret _main: ; int main() mov 0, [$7223] ; int color = 0 _body_11: not 1 bz jmp _end_12 ; if while condition fails, jump to end call _hid_getMouseIndex ; int hid_getMouseIndex() mov V0, [$7225] ; int mouseIndex = V0 call _hid_getMouseState ; int hid_getMouseState() mov V0, [$7227] ; int mouseState = V0 push [$7227] ; left operand mov 1, V1 ; right operand pop V0 ; get left operand back and V0, V1 ; compute and not DX bz ; check if condition jmp _end_13 ; if succeeds, continue, else jump to end push [$7223] ; left operand mov 3, V1 ; right operand pop V0 ; get left operand back mod V0, V1 ; compute modulus push AX ; left operand mov 1, V1 ; right operand pop V0 ; get left operand back add V0, V1 ; compute addition push AX ; arg int i push [$7225] ; arg int c call _screen_setPixel_int_i__int_c; int screen_setPixel(int i, int c) _end_13: push 67 ; arg int scanCode call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) not V0 bz ; check if condition jmp _end_14 ; if succeeds, continue, else jump to end push 8 ; arg int c call _screen_clear_int_c ; int screen_clear(int c) _end_14: push 65 ; arg int scanCode call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) not V0 bz ; check if condition jmp _end_15 ; if succeeds, continue, else jump to end push [$7223] ; i++ inc [$7223] pop V0 _body_16: push 65 ; arg int scanCode call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) not V0 bz jmp _end_17 ; if while condition fails, jump to end jmp _body_16 _end_17: _end_15: jmp _body_11 _end_12: mov 0, V0 ; fallback return 0 ret