.ALIGN @ .ARM .GLOBAL cpu_speed .GLOBAL mmu_change .GLOBAL gp_enableIRQ .GLOBAL gp_disableIRQ .GLOBAL gp_installSWIIRQ .GLOBAL gp_removeSWIIRQ cpu_speed: stmdb r13!, {r0-r12,lr} stmdb sp!, {r0, r1, r2} mov r0, sp swi #0x0d add sp, sp, #12 ldmia r13!, {r0-r12,lr} bx lr nop mmu_change: stmdb r13!, {r0-r12,lr} swi #0x02 ldmia r13!, {r0-r12,lr} bx lr nop gp_enableIRQ: STMDB r13!,{r0,lr} MRS r0,CPSR BIC r0,r0,#0x80 MSR CPSR,r0 LDMIA r13!,{r0,pc} @MOV pc,lr gp_disableIRQ: STMDB r13!,{r0,lr} MRS r0,CPSR ORR r0,r0,#0xc0 MSR CPSR,r0 LDMIA r13!,{r0,pc} @MOV pc,lr gp_installSWIIRQ: STMDB r13!,{r14} SWI 0x9 LDMIA r13!,{pc} gp_removeSWIIRQ: STMDB r13!,{r14} SWI 0xa LDMIA r13!,{pc} @ ******** ASMFastSolidBlit(unsigned char *src4, unsigned char *dst4, int nbx, int nby, int height2, int trans, int coul) ******** .ALIGN .GLOBAL ASMFastSolidBlit .TYPE ASMFastSolidBlit, function .CODE 32 @r0 = src4 @r1 = dst4 @r2 = nbx @r3 = nby @r4 = height2 @r5 = trans @r6 = coul @r7 = tmp @r8 = tmpnby @r9 = tmp2 _bx7: ldrb r8,[r0,+r3] @lecture 1er pixel subs r7,r3,#1 bmi _sauty2 _sauty2: @ecriture r8 TEQ r8,r5 STRNEB r8,[r1,+r7] SUB r0,r0,r4 SUB r1,r1,#240 SUBS r2,r2,#1 BPL _bx7 ldmfd r13!,{r4-r8} add sp,sp,#8 bx lr ASMFastSolidBlit: sub sp,sp,#12 stmfd r13!,{r4-r9} ldr r4,[r13,#36] ldr r5,[r13,#40] ldr r6,[r13,#44] _bx8: ldrb r9,[r0,+r3] @lecture 1er pixel subs r8,r3,#1 bmi _sauty2 _by8: LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3 LDRB r7,[r0,+r8] TEQ r9,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BMI _sauty3b LDRB r9,[r0,+r8] TEQ r7,r5 STRNEB r6,[r1,+r8] SUBS r8,r8,#1 BPL _by8 _sauty3: @ecriture pour r9 TEQ r9,r5 STRNEB r6,[r1,+r8] SUB r0,r0,r4 SUB r1,r1,#240 SUBS r2,r2,#1 BPL _bx8 ldmfd r13!,{r4-r9} add sp,sp,#12 bx lr _sauty3b: @ecriture pour r7 TEQ r7,r5 STRNEB r6,[r1,+r8] SUB r0,r0,r4 SUB r1,r1,#240 SUBS r2,r2,#1 BPL _bx8 ldmfd r13!,{r4-r9} add sp,sp,#12 bx lr @ ******** ASMSaveBitmap(unsigned char *src4, unsigned char *dst, int nbx, int nby, int height2) ******** .ALIGN .GLOBAL ASMSaveBitmap .TYPE ASMSaveBitmap, function .CODE 32 @r0 = src4 @r1 = dst + 1 @r2 = nbx @r3 = nby @r7 = height2 @r8 = tmp @r9 = tmpnby @r10 = dst4 ASMSaveBitmap: sub sp,sp,#4 stmfd r13!,{r7-r10} LDR r7,[r13,#20] _bx6: MLA r10,r2,r7,r1 MOV r9,r3 _by6: LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BMI _fincol6 LDRB r8,[r0,+r9] SUBS r9,r9,#1 STRB r8,[r10,+r9] BPL _by6 _fincol6: SUB r0,r0,#240 SUBS r2,r2,#1 BPL _bx6 ldmfd r13!,{r7-r10} add sp,sp,#4 bx lr .ALIGN .GLOBAL gp_clearFramebuffer .TYPE gp_clearFramebuffer, function .CODE 32 gp_clearFramebuffer: @ r0 = framebuffer @ r1 = color orr r1,r1,r1,lsl #16 @hi halfword = lo halfword mov r2,#38400 clear: str r1,[r0],#4 subs r2,r2,#1 bne clear bx lr @ ******** ASMFastClear(unsigned char *dst4, int nbx, int nby) ******** .ALIGN .GLOBAL ASMFastClear .TYPE ASMFastClear, function .CODE 32 @r0 = dst4 @r1 = nbx @r2 = nby @r3 = #0 @r4 = tmpnby @optimis?pour h=20 ASMFastClear: str r4,[sp,#-4]! MOV r3,#0 _bx9: MOV r4,r2 _by9: STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BMI _sauty4 STRB r3,[r0,+r4] SUBS r4,r4,#1 BPL _by9 _sauty4: SUB r0,r0,#240 SUBS r1,r1,#1 BPL _bx9 ldr r4,[sp],#4 bx lr