Difference between revisions of "SYS LoadImage"
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| − | # ROUTINE: | + | # ROUTINE: SYS LoadImage |
| + | # transfer image data to frame buffer | ||
# Parameters: | # Parameters: | ||
| − | # r4 = ( | + | # r4 = RECT *recp (points to destination rectangular area to load image into) |
| − | # r5 = ( | + | # r5 = u_long *p (points to source of transmission) |
800248fc: 27bdffe0 addiu r29,r29,-0x0020 | 800248fc: 27bdffe0 addiu r29,r29,-0x0020 | ||
| Line 10: | Line 11: | ||
8002490c: 00a08821 addu r17,r5,r0 # p2 | 8002490c: 00a08821 addu r17,r5,r0 # p2 | ||
80024910: 3c048001 lui r4,0x8001 | 80024910: 3c048001 lui r4,0x8001 | ||
| − | 80024914: 248407f8 addiu r4,r4,0x07f8 # | + | 80024914: 248407f8 addiu r4,r4,0x07f8 # "Load Image" |
80024918: afbf0018 sw r31,0x0018(r29) | 80024918: afbf0018 sw r31,0x0018(r29) | ||
| − | 8002491c: 0c0091d0 jal 0x80024740 # ROUTINE: [[ | + | 8002491c: 0c0091d0 jal 0x80024740 # ROUTINE: [[CheckRECT]] ("Load Image",recp) |
80024920: 02002821 addu r5,r16,r0 # p1 | 80024920: 02002821 addu r5,r16,r0 # p1 | ||
80024924: 02002821 addu r5,r16,r0 # p1 | 80024924: 02002821 addu r5,r16,r0 # p1 | ||
| Line 19: | Line 20: | ||
80024930: 34060008 ori r6,r0,0x0008 # 8 | 80024930: 34060008 ori r6,r0,0x0008 # 8 | ||
80024934: 8c440020 lw r4,0x0020(r2) # *0x8003288c.0x20 | 80024934: 8c440020 lw r4,0x0020(r2) # *0x8003288c.0x20 | ||
| − | 80024938: 8c420008 lw r2,0x0008(r2) # | + | 80024938: 8c420008 lw r2,0x0008(r2) # _addque2 |
8002493c: 00000000 nop | 8002493c: 00000000 nop | ||
| − | 80024940: 0040f809 jalr r2,r31 # | + | 80024940: 0040f809 jalr r2,r31 # [[_addque2]] (*0x8003288c.0x20, p1, 8, p2) |
80024944: 02203821 addu r7,r17,r0 # p2 | 80024944: 02203821 addu r7,r17,r0 # p2 | ||
80024948: 8fbf0018 lw r31,0x0018(r29) | 80024948: 8fbf0018 lw r31,0x0018(r29) | ||
Latest revision as of 11:15, 5 June 2024
# ROUTINE: SYS LoadImage # transfer image data to frame buffer # Parameters: # r4 = RECT *recp (points to destination rectangular area to load image into) # r5 = u_long *p (points to source of transmission) 800248fc: 27bdffe0 addiu r29,r29,-0x0020 80024900: afb00010 sw r16,0x0010(r29) 80024904: 00808021 addu r16,r4,r0 # p1 80024908: afb10014 sw r17,0x0014(r29) 8002490c: 00a08821 addu r17,r5,r0 # p2 80024910: 3c048001 lui r4,0x8001 80024914: 248407f8 addiu r4,r4,0x07f8 # "Load Image" 80024918: afbf0018 sw r31,0x0018(r29) 8002491c: 0c0091d0 jal 0x80024740 # ROUTINE: CheckRECT ("Load Image",recp) 80024920: 02002821 addu r5,r16,r0 # p1 80024924: 02002821 addu r5,r16,r0 # p1 80024928: 3c028003 lui r2,0x8003 8002492c: 8c42288c lw r2,0x288c(r2) # *0x8003288c 80024930: 34060008 ori r6,r0,0x0008 # 8 80024934: 8c440020 lw r4,0x0020(r2) # *0x8003288c.0x20 80024938: 8c420008 lw r2,0x0008(r2) # _addque2 8002493c: 00000000 nop 80024940: 0040f809 jalr r2,r31 # _addque2 (*0x8003288c.0x20, p1, 8, p2) 80024944: 02203821 addu r7,r17,r0 # p2 80024948: 8fbf0018 lw r31,0x0018(r29) 8002494c: 8fb10014 lw r17,0x0014(r29) 80024950: 8fb00010 lw r16,0x0010(r29) 80024954: 27bd0020 addiu r29,r29,0x0020 80024958: 03e00008 jr r31 8002495c: 00000000 nop
