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[Decompilation] [th04] Bonus popup point display 

Part of P0148, funded by [Anonymous].
This commit is contained in:
nmlgc 2021-07-10 13:11:30 +02:00
parent 3a41604314
commit a6ace813e4
3 changed files with 33 additions and 64 deletions
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63
th04/main/hud/popup.asm
View File

@ -1,63 +0,0 @@
if GAME eq 4
; Yes, specific to the bonus popup, due to the hardcoded position.
public POPUP_PUT_POINTS_TH04
popup_put_points_th04 proc pascal near
arg @@points:dword
local @@digit:dword, @@divisor:dword, @@buf:byte:SCORE_DIGITS + 2 ; padding...
push si
push di
mov @@divisor, 1000000
xor si, si
xor di, di
jmp short @@more_digits?
; ---------------------------------------------------------------------------
@@digit_loop:
mov eax, @@points
xor edx, edx
div @@divisor
mov @@digit, eax
mov eax, @@points
xor edx, edx
div @@divisor
mov @@points, edx
or di, word ptr @@digit
or di, di
jz short @@omit_leading_zeroes
mov al, byte ptr @@digit
add al, GB_DIGITS
mov @@buf[si], al
jmp short @@divisor_next
; ---------------------------------------------------------------------------
@@omit_leading_zeroes:
mov @@buf[si], g_EMPTY
@@divisor_next:
mov ebx, 10
mov eax, @@divisor
xor edx, edx
div ebx
mov @@divisor, eax
inc si
@@more_digits?:
cmp @@divisor, 1
ja short @@digit_loop
mov al, byte ptr @@points
add al, gb_0_
mov @@buf[SCORE_DIGITS - 2], al ; (ones)
mov @@buf[SCORE_DIGITS - 1], gb_0_ ; ("continues used" digit)
mov @@buf[SCORE_DIGITS - 0], 0 ; (null terminator)
push ((PLAYFIELD_TRAM_LEFT + (PLAYFIELD_TRAM_W / 2)) shl 16) + POPUP_TRAM_Y
push ss
lea ax, @@buf
push ax
push TX_WHITE
call gaiji_putsa
pop di
pop si
ret
popup_put_points_th04 endp
endif

33
th04/main/hud/popup.cpp
View File

@ -3,6 +3,7 @@
#include "x86real.h"
#include "pc98.h"
#include "master.hpp"
#include "th04/score.h"
#include "th01/math/subpixel.hpp"
#include "th04/gaiji/gaiji.h"
#include "th04/formats/bb.h"
@ -423,3 +424,35 @@ void pascal near popup_update_and_render(void)
#undef gaiji_len
#undef frame
}
#if (GAME == 4)
void pascal near popup_put_points_th04(unsigned long points)
{
int i;
bool16 past_leading_zeroes;
gaiji_th04_t buf[SCORE_DIGITS + 1];
unsigned long divisor = 1000000; // Must match SCORE_DIGITS!
unsigned long digit;
i = 0;
past_leading_zeroes = false;
while(divisor > 1) {
digit = (points / divisor);
points = (points % divisor);
past_leading_zeroes |= digit;
if(past_leading_zeroes) {
buf[i] = static_cast<gaiji_th04_t>(gb_0_ + digit);
} else {
buf[i] = g_EMPTY;
}
divisor /= 10;
i++;
}
// (ones)
buf[SCORE_DIGITS - 2] = static_cast<gaiji_th04_t>(gb_0_ + points);
buf[SCORE_DIGITS - 1] = gb_0_; // ("continues used" digit)
buf[SCORE_DIGITS - 0] = g_NULL; // (null terminator)
popup_put(PLAYFIELD_TRAM_CENTER_X, POPUP_TRAM_Y, buf);
}
#endif

1
th04_main.asm
View File

@ -9781,7 +9781,6 @@ main_0_TEXT ends
POPUP_UPDATE_AND_RENDER procdesc near
main_01_TEXT segment byte public 'CODE' use16
include th04/main/hud/popup.asm
include th04/formats/bb_txt_load.asm
; =============== S U B R O U T I N E =======================================