From 40473797a117e6791e94140b0f01d034bce8bbb1 Mon Sep 17 00:00:00 2001 From: Melodi <62381002+Melodi17@users.noreply.github.com> Date: Fri, 29 Aug 2025 07:33:48 +1000 Subject: some cleanup --- ROMs/paint.asm | 376 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 188 insertions(+), 188 deletions(-) (limited to 'ROMs/paint.asm') diff --git a/ROMs/paint.asm b/ROMs/paint.asm index 9a853a4..c5bfe14 100644 --- a/ROMs/paint.asm +++ b/ROMs/paint.asm @@ -1,264 +1,264 @@ 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 +_hid_getKeyState_int_scanCode: + pop V0 + pop [$71FF] + push V0 + mov $6033, [$7201] + push [$71FF] + mov 8, V1 + pop V0 + div V0, V1 + mov AX, [$7203] + push [$71FF] + mov 8, V1 + pop V0 + mod V0, V1 + mov AX, [$7205] + push [$7201] + push [$7203] + mov 1, V1 + pop V0 + sub V0, V1 + mov AX, V1 + pop V0 + mul V1, 1 + add AX, V0 + mov AX, V0 + mov [V0], [$7207] + push [$7207] + push 1 + mov [$7205], V1 + pop V0 + shl V0, V1 + mov DX, V1 + pop V0 + and V0, V1 + push DX + mov 0, V1 + pop V0 + cmp V0, V1 not - mov LX, V0 ; return value + mov LX, V0 ret - mov 0, V0 ; fallback return 0 + mov 0, V0 ret -_hid_getPressedKey: ; int hid_getPressedKey() - mov 0, [$7209] ; int sk = 0 +_hid_getPressedKey: + mov 0, [$7209] _body_1: - push [$7209] ; left operand - mov 256, V1 ; right operand - pop V0 ; get left operand back - lt V0, V1 ; compute less than check + push [$7209] + mov 256, V1 + pop V0 + lt V0, V1 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 + jmp _end_2 + push [$7209] + call _hid_getKeyState_int_scanCode + cmp V0, 0 not bz jmp _clause_3 - mov 0, V0 ; first operand failed, store 0 and skip second + mov 0, V0 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 + push [$7209] + mov 160, V1 + pop V0 + cmp V0, V1 not - cmp LX, 0 ; compare result from second operand to 0 + cmp LX, 0 not - mov LX, V0 ; store second operand result + mov LX, V0 _end_4: not V0 - bz ; check if condition - jmp _end_5 ; if succeeds, continue, else jump to end - mov [$7209], V0 ; return value + bz + jmp _end_5 + mov [$7209], V0 ret _end_5: - push [$7209] ; i++ + push [$7209] inc [$7209] pop V0 jmp _body_1 _end_2: - mov 0, V0 ; return value + mov 0, V0 ret - mov 0, V0 ; fallback return 0 + mov 0, V0 ret -_hid_waitForPressedKey: ; int hid_waitForPressedKey() +_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 + jmp _end_7 + call _hid_getPressedKey + mov V0, [$720B] + push [$720B] + mov 0, V1 + pop V0 + cmp V0, V1 not not LX - bz ; check if condition - jmp _end_8 ; if succeeds, continue, else jump to end - mov [$720B], V0 ; return value + bz + jmp _end_8 + mov [$720B], V0 ret _end_8: jmp _body_6 _end_7: - mov 0, V0 ; fallback return 0 + mov 0, V0 ret -_hid_getMouseIndex: ; int hid_getMouseIndex() - mov $602F, V0 ; move pointer into register for dereference - mov [V0], V0 ; return value +_hid_getMouseIndex: + mov $602F, V0 + mov [V0], V0 ret - mov 0, V0 ; fallback return 0 + mov 0, V0 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 +_hid_getMouseState: + push $602F + mov 2, V1 + pop V0 + add V0, V1 + mov AX, V0 + mov [V0], V0 ret - mov 0, V0 ; fallback return 0 + mov 0, V0 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 +_screen_setPixel_int_x__int_y__int_c: + pop V0 + pop [$720D] + pop [$720F] + pop [$7211] + push V0 + mov $402F, [$7213] + push [$720F] + mov 128, V1 + pop V0 + mul V0, V1 + push AX + mov [$720D], V1 + pop V0 + add V0, V1 + mov AX, [$7215] + push [$7213] + mov [$7215], V1 + pop V0 + mul V1, 1 + add AX, V0 + mov AX, V0 + movb [$7211], [V0] + mov 0, V0 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 +_screen_setPixel_int_i__int_c: + pop V0 + pop [$7217] + pop [$7219] + push V0 + mov $402F, [$721B] + push [$721B] + mov [$7217], V1 + pop V0 + mul V1, 1 + add AX, V0 + mov AX, V0 + movb [$7219], [V0] + mov 0, V0 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 +_screen_clear_int_c: + pop V0 + pop [$721D] + push V0 + mov $402F, [$721F] + mov 0, [$7221] _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 + push [$7221] + push 128 + mov 64, V1 + pop V0 + mul V0, V1 + mov AX, V1 + pop V0 + lt V0, V1 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++ + jmp _end_10 + push [$721F] + mov [$7221], V1 + pop V0 + mul V1, 1 + add AX, V0 + mov AX, V0 + movb [$721D], [V0] + push [$7221] inc [$7221] pop V0 jmp _body_9 _end_10: - mov 0, V0 ; fallback return 0 + mov 0, V0 ret -_main: ; int main() - mov 0, [$7223] ; int color = 0 +_main: + mov 0, [$7223] _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 + jmp _end_12 + call _hid_getMouseIndex + mov V0, [$7225] + call _hid_getMouseState + mov V0, [$7227] + push [$7227] + mov 1, V1 + pop V0 + and V0, V1 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) + bz + jmp _end_13 + push [$7223] + mov 3, V1 + pop V0 + mod V0, V1 + push AX + mov 1, V1 + pop V0 + add V0, V1 + push AX + push [$7225] + call _screen_setPixel_int_i__int_c _end_13: - push 67 ; arg int scanCode - call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) + push 67 + call _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) + bz + jmp _end_14 + push 8 + call _screen_clear_int_c _end_14: - push 65 ; arg int scanCode - call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) + push 65 + call _hid_getKeyState_int_scanCode not V0 - bz ; check if condition - jmp _end_15 ; if succeeds, continue, else jump to end - push [$7223] ; i++ + bz + jmp _end_15 + push [$7223] inc [$7223] pop V0 _body_16: - push 65 ; arg int scanCode - call _hid_getKeyState_int_scanCode; int hid_getKeyState(int scanCode) + push 65 + call _hid_getKeyState_int_scanCode not V0 bz - jmp _end_17 ; if while condition fails, jump to end + jmp _end_17 jmp _body_16 _end_17: _end_15: jmp _body_11 _end_12: - mov 0, V0 ; fallback return 0 + mov 0, V0 ret -- cgit v1.3.1