Порядок в каталогах

2025-11-04 23:06:09 +05:00
parent 7b0bae2f55
commit 73eab3e768
56 changed files with 1751 additions and 3163 deletions
--- a/3_CD_EXTRA/cd_extra_charload.asm
+++ b/3_CD_EXTRA/cd_extra_charload.asm
@@ -0,0 +1,88 @@
+
+;                                     LOADING CHAR FROM CUSTOM FONT
+
+makeCharPixelsCustom:
+    
+    addiu sp,sp,-0x18
+    move a1,a0
+    lui        a0,0x1f80
+    ori a0,a0,0x358
+
+    sw ra,0x10(sp)
+
+    li a2,1
+
+    lbu        t2,0xa8(gp)      ;a8(gp) -- color
+    move      t0,r4
+    lui        v1,0x801f                            ; ;load font addr to r3 (801ef480)
+    ori        v1,v1,0xaa00                         ; 
+    sll        v0,a1,0x1                            ;  r2 = r5 << 1 (*2)
+    addu       v0,v0,a1                             ; r2 += r5 (it. *3)
+    sll        v0,v0,0x2                            ; r2 << 2 (*4) (r2 = r5 *12)
+    addu       t1,v0,v1    ;t1 = char addr          ; r9 = r2(offs) + r3 (start)
+    li         r6,0x6                               ;     r6 = byteslength = 6
+    move       v0,r6                                ;    r2 = r6 (counter)
+    beq        v0,zero,charLoaded                   ;    if counter=0 then branch
+    addiu      r6,r6,-0x1                           ; dec r6
+    lui        a3,0x1f80
+    ori        a3,a3,0x2e0                    ;       set scratch convert addr r7 = 1f8002e0
+CharLoop:
+    lhu v1,0x0(t1)                                  ;load upperhalf of char to r3
+    nop
+    andi       r4,v1,0xf                            ; r4 = r3 & 0f - cutting left semibyte
+    srl        v1,v1,0x4                       ;      r3 >> 4
+    andi       v0,v1,0xf                       ;      r2 = r3 & 0f
+    sll        v0,v0,0x1                     ;        r2 << 1
+    addu       v0,v0,a3                     ;         r2 = r2 + to4bitConvertTableAddr (r7)
+    lhu        v0,0x0(v0);>DAT_1f8002e0               r2 = *r2(half) pixel pattern
+    nop
+    mult       v0,t2                        ;         r2*r10. make Color
+    sll        r4,r4,0x1                    ;         r4 << 1
+    addu       r4,r4,a3                     ;         r4 += r6 counter
+    mflo       a1                           ;   load lo to r5
+    lhu        v0,0x0(r4);>DAT_1f8002e0               load table+r4
+    nop
+    mult       v0,t2                            ;    r2 * colorIndex r10
+    srl        v1,v1,0x4                    ;         r3 >> 4, right 4 bits
+    andi       r4,v1,0xf                    ;         r4 = r3 & f0 (cut right semibyte)
+    srl        v1,v1,0x4                    ;         r3 >> 4
+    sll        v1,v1,0x1                    ;         r3 << 1 = *2
+    addu       v1,v1,a3                     ;         r3=r3+Table r7
+    sll        v0,a1,0x10                   ;   r2 = r5 << 10 bits
+    mflo       t4                           ;         load r12,low
+    or         v0,t4,v0                     ;         r2 = r12 | r2
+    sw         v0,0x0(t0)                   ;         load *r8(current Scratch) from r2(result)
+    lhu        v0,0x0(v1);>DAT_1f8002e0     ;         load r2 from TablePattern Half from r3
+    nop
+    mult       v0,t2                        ;         r2*color r10
+    sll        r4,r4,0x1                    ;         r4 << 1
+    addu       r4,r4,a3                     ;         r4 = r4 + TableStart
+    mflo       a1                           ;         ld r5,lo
+    lhu        v0,0x0(r4);>DAT_1f8002e0     ;         ld half r2 from *r4
+    nop
+    mult       v0,t2                        ;         r2*col
+    addiu      t1,t1,0x2                    ;         move charFont + +2
+    move       v1,a2                        ;         r3 = byteCount (r6)
+    addiu      a2,a2,-0x1                   ;         r6 -= 1
+    addiu      t0,t0,0x4                    ;         scrathAddr r8 += 4
+    sll        v0,a1,0x10                   ;         r2 = r5 << 10 bits (move to hi)
+    mflo       t4                           ;         ld r12,lo (result)
+    or         v0,t4,v0                     ;         combine r2 & r 12 (0001 x 1111)
+    sw         v0,0x0(t0)                   ;         store result to scratch r2 to *r8
+    bne        v1,zero,charLoop             ;        if r3 counter<>0 goto loop
+    addiu     t0,t0,0x4                     ;        r8 scrath += 4
+charLoaded:
+
+    lbu         v1, 0xa9(gp)                 ;                a9(gp) -- shadow
+    li          v0, 0x1
+    bne         v1, v0, NotShadow                     ;Shadow character check 
+    nop
+    lui         a0,0x1f80
+    jal         MakeShadowSmallChar                 ;Make shadow in Scratch DMA
+    ori         a0,a0,0x358
+
+NotShadow:
+    lw          ra,0x10(sp)                          ;Restore stack and exit
+    nop
+    jr          ra
+    addiu       sp, sp, 0x18